David's Astronomy Pages
Open Star Clusters
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This page summarises observations and images of open star clusters.
Open clusters are collections of stars, the best known of which is M45 or the Pleiades.
| M45, Pleiades (Taurus) | ||
| Photo (1999) | CCD Mosaic (2003) | |
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| Photo,
300mm, f/5.6, Fujicolor 200, 7 1/2 minutes exposure (Image enhanced & cropped) 1999-Dec-06 |
Mosaic 8x9 CCD frames, 10 sec exposures 76 x 55 arc mins (1.25 x 0.92 arc deg) 2003-01-04 21:10 to 21:48h UT (#37250-321) |
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Another famous set of open clusters is the Double Cluster in Perseus
| Perseus Double Cluster (NGC 884 & 869) | ||
| Photo (1999) | CCD Mosaic (2003) | |
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| Photo, 1999-Dec-06 300mm, f/5.6, Fujicolor 200, 11mins exposure (Image enhanced & cropped) |
Mosaic 7x6 CCD frames, 20 sec exposures taken on 2003-01-04 23:03 to 23:32h UT (#37454-95) 69 x 34 arc mins |
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| M11 (Scutum) |
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| CCD image, 6 x 10 sec exposures (median combine) 2003-08-05 21:46 h UT (#49032-49037) 11.4 x 7.6 arc mins |
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| M26 (Scutum) |
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| CCD image, 5 x 20 sec exposures (top - median combine bottom - summed combine) 2003-08-05 21:57 to 21:59 h UT (#49049-49053) 11.4 x 7.6 arc mins |
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| M29 (Cygnus) |
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| CCD Image 3 x 60 sec exposure (median combine), 2x2 binning, C Filter 2006-04-28 00:57 h UT (#118227-29) |
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| M34 Open Cluster (Perseus) |
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| 2002-09-11 03:44 to 03:50h UT Mosaic of CCD Images, 5 sec exposures (4x4 Mosaic) 36.9 x 21.3 arc min (#24006-21) [ Click on Image for Full Size ] |
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| Mosaic of M35 (right/centre) & NGC 2158 (lower right) (Gemini) |
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| Mosaic 5x6 CCD frames, 20 sec exposures taken on 2003-01-04 23:33 to 23:54h UT (#37250-321) 50 x 39 arc mins |
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| M36 (Auriga) |
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| 2002-02-16 CCD Image, 3x3 Mosaic, 15 sec exposures (#17043 et al) 29.3 x 16.8 arc min (Mosaic Construction details) |
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M36 (Auriga) |
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| CCD Image Mosaic (half scale) 60 sec exposure (2x3 frames), 2x2 binning, C Filter 2006-01-31 22:47h UT (#112172-77) (Full Size Mosaic) |
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M36 (Auriga) |
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| CCD Image Mosaic (central portion) detail as above (Full Size Mosaic) |
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M37 (Auriga) |
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| CCD Image Mosaic (half scale) 60 sec exposure (2x3 frames), 2x2 binning, C Filter 2006-01-31 22:38h UT (#112165-71) (Full Size Mosaic) |
| M37 (Auriga) |
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| Approximate Colour
CCD Image Luminance : 3 x 20s (C Filter), Red 3x30s (av, R Filter), Green 2x20s (av, V Filter), Blue 2x60s (av B Filter) 2005-09-30 22:30h UT (#95064-74) |
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M38 (Auriga) |
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| CCD Image Mosaic (half scale) 60 sec exposure (3x3 frames), 2x2 binning, C Filter 2006-01-31 23:00h UT (#112179-87) (Full Size Mosaic) |
| M38 (Auriga) |
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| 2002-02-16 CCD Image, 5x6 Mosaic, 15 sec exposures (#17060 et al) 48.3 x 34.3 arc min (larger, full size) (Mosaic Construction details) |
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| M44 |
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| 2002-04-08 21:23hUT CCD Image, 5x30 sec exposure 1.3 x 2.0 arc deg (#20021-25) 200mm focal length lens |
| M44 (Cancer) |
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| Central portion of a CCD Image Mosaic (8x5, 40 Frames) 20 sec exposure, C Filter 2005-10-09 03:50 h UT (#99115-59 {S98}) (Full Extent (1/2 size) / Original Full Size) |
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| Mosaic of M45 (Taurus) |
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| Mosaic 8x9 CCD frames, 10 sec exposures taken on 2003-01-04 21:10 to 21:48h UT (#37250-321) 76 x 55 arc mins (1.25 x 0.92 arc deg) |
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| M48 (Hydra) |
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| CCD Image 3 x 30 sec (median combine), C Filter 2004-12-08 00:59 h UT (#78083-85) |
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| M50 (Monoceros) |
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| CCD Image 3 x 30 sec (median combine), C Filter 2004-12-08 00:55 h UT (#78079-81) |
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| M52 (Cassiopeia) |
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| CCD Image Mosaic (2x2 frames) 20 sec exposure, R filter 2005-09-02 22:07 h UT (#93029-32) |
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| M67 (Cancer) |
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| Colour CCD Image, Red 20s, Green 20s, Blue 30s 2004-02-19, 22:42 to 22:44 h UT (#58208-10) |
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M67 (Cancer) |
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| CCD Image Mosaic (central portion) 60 sec exposure (3x3 frames), 2x2 binning, C Filter 2006-02-03 03:09h UT (#113115-23) (Full Size Mosaic) |
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M67 (Cancer) |
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| CCD Image Mosaic (half scale) 60 sec exposure (3x3 frames), 2x2 binning, C Filter 2006-01-31 23:35h UT (#112189-97) (Full Size Mosaic) |
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| M71 (Sagitta) |
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| CCD Image, 3 x 10s exposure 2003-07-13 00:44h UT (#45045-47) 11.4 x 7.6 arc mins |
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| M73 (Aquarius) |
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| CCD Image 5 x 20 sec exposure (average), clear filter 2005-08-14 22:40 h UT (#92120-24) |
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| M103 (Cassiopeia) |
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| Central portion of CCD Image Mosaic (3x3 frames) 20 sec exposure, C filter 2005-09-02 22:32 h UT (#93039-49) (Full Size) |
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| Caldwell 8 / NGC 559 (Cassiopeia) |
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| CCD Image (75% size, cropped) 3 x 45 sec (average combine), 3x3 binning, C Filter 2009-12-11 20:39 h UT (#404273-75) 12" LX200R (at f/5.7) + ST-10XME [Full Size Image, 100% size] |
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| Caldwell 10 / NGC 663 (Cassiopeia) |
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| CCD Image (75% size) 3 x 45 sec (average combine), 3x3 binning, C Filter 2009-12-11 20:34 h UT (#404268-70) 12" LX200R (at f/5.7) + ST-10XME |
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| Caldwell 13 / NGC 457 (Cassiopeia) |
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| CCD Image (75% size, cropped) 7 x 10 sec (average combine), 3x3 binning, C Filter 2009-12-11 20:47 h UT (#404281-87) 12" LX200R (at f/5.7) + ST-10XME [Full Size Image, 100% size] |
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| Caldwell 16 / NGC 7243 (Lacerta) |
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| CCD Image Mosaic, 3 x 4 frames (50% size & cropped) 60 sec exposure, 2x2 binning, C Filter 2006-11-18 18:07 h UT (#154064-75) 8" LX200 Classic + ST-7E [ Full Size ] |
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| Caldwell 28 / NGC 752 (Andromeda) |
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| CCD Image Mosaic - 5x8 frames (30% size) 60s exposure, 2x2 binning, C filter 2006-12-21 00:20h UT (#168126-65) 8" LX200 Classic + ST-7E [larger image, 60% size] |
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| NGC 6885 / Caldwell 37 (Vulpecula) |
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| CCD Image Mosaic (3x4) 60s exposure, 2x2 binning, C filter, 2007-04-05 03:16 UT (#189313-24) 8" LX200 Classic + ST-7E |
| NGC 6885 - detail central star is 20 Vulpeculae |
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| CCD Image 3 x 120s exposure, 2x2 binning, C filter, 2007-04-05 03:05h UT (#189310-12) 8" LX200 Classic + ST-7E |
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| Caldwell 50 / NGC 2244 (alt NGC 2239) (Monoceros) |
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| CCD Images 60s exposure, C Filter 2004-12-19 01:19h UT (#80152-549) 8" LX200 Classic + ST-7E |
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| Caldwell 54 / NGC 2506 (Monoceros) Herschel VI-37 |
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| CCD Image (50%) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2010-03-09 20:26 hUT (#416110-12) 12" LX200R (at f/9.7) + ST-10XME [larger image] |
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| Caldwell 58 / NGC 2360 (Canis Major) Dec -15d 38m taken at altitude 9 deg (airmass 5.7) |
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| CCD Image (linear scale, 50% size scaling) 5 x 30 sec exposure (average combine), 3x3 binning, C Filter 2009-11-27 05:42 h UT (#397790-96) 12" LX200R (at f/5.7) + ST-10XME [full size] |
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| Caldwell 64 / NGC 2362 / (Canis Major) Altitude 7d 10m (Declination -24d 57m) At Declination of -24d 57m it was not possible to acquire this Caldwell object using my previous 8" LX200 equipment & sliding roof as the target lay several degrees below the observatory wall. |
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| CCD Image (60% size) 5 sec exposure (single frame), 3x3 binning, C Filter 2009-03-12 20:49 h UT (#357008) 12" LX200R (at f/5.8) + ST-10XME |
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| NGC 189 (Cassiopeia) Alias: Hidden Treasures 1 [ Hidden Treasures ] |
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| Annotated CCD Image (70% size, linear scale) 7 x 30s exposure (average combine), 3x3 binning, Clear Filter 2023-01-27 01:32 UT (#1091066-72) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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NGC 659 (Cassiopeia) |
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| CCD Mosaic (2 x 3), 75% size 30sec exposure, 2x2 binning, C Filter 2006-01-11 22:18h UT (#110080-85) |
| Detailed Image of NGC 659 |
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| CCD Image (75% size) 2 x 2 min (average combine), 1x1 binning, clear filter 2006-01-11 22:18h UT (#110073-74) |
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NGC 743 (Cassiopeia) |
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| CCD Mosaic (2 x 3), 75% size 30sec exposure, 2x2 binning, C Filter 2006-01-11 22:41h UT (#110092-97) [ Full Size ] |
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| NGC 744 (Perseus) |
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| CCD Image, 10s exposure 2003-12-07 21:33 h UT (#55077) 11.6 x 7.8 arc sec |
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| NGC 957 (Perseus) |
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| Annotated CCD Image (50% size, linear scale) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-09-13 00:36 UT (#1143121-25) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| NGC 957 - Detail |
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| Annotated CCD Image (100% size, linear scale, cropped) Image details as above |
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| NGC 1245 (Perseus) |
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| Composite Colour CCD Image Luminance (C av 3x30s), Blue 300% (B av 2 x 60s), Green (V av 2 x 30s), Red (R av 2 x 30s) 2004-09-19 00:25 h UT (#72091-101) |
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| NGC 1605 (Perseus) |
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| CCD Image 3 x 60s exposure (average combine), C Filter 2005-09-02 23:31 h UT (#93096-98) (Full Size Image) |
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NGC 1664 (border of Auriga & Perseus) |
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| CCD Image Mosaic (2x3 frames, 50%
size) 60 sec exposure, 2x2 binning, C Filter 2006-02-10 23:11h UT (#114223-46) [ Full Size Mosaic ] |
| NGC 1664 - detail, approximate colour |
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| Approximate Colour CCD Image -
central portion of 2x3 mosaic Red - 60sec (R Filter), Green - 60sec (V Filter), Blue - 60s (B Filter), 2x2 binning 2006-02-10 23:11h UT (#114223-46) [ Full Size Mosaic ] |
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| NGC 1857 (Auriga) |
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| CCD Colour Image, Red 60s, Green 60s, Blue 60s, Clear 60s (LRGB combine) 2004-03-28 21:55 h UT (#64034-37) |
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| NGC 1893 - left centre (Auriga) Mosaic covering 59 x 48 arc min Nebulosity associated with cluster (IC410) is not visible due to short exposure |
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| CCD Mosaic [ 4 x 5 frames], 30 sec exposures, 30% resize 2004-03-21 22:13 to 22:26 h UT (#63060-79) |
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| NGC 1931 (Auriga) |
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| CCD Image 5 min, C Filter (autoguided) 2004-11-18 20:43 h UT (#74027) |
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| False Colour
CCD Image (details above) Logarithmic Scaling |
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| NGC 1960 / M36 (Auriga) |
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| CCD Image, 30s exposure,
C Filter 2004-09-19 01:07 h UT (#72121) |
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| NGC 1977 (Orion) |
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| CCD Image 30 sec exposure, C Filter 2004-12-29 01:03 h UT (#81108) |
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| NGC 2126 (Auriga) Alias: H VIII-68 [ Herschel 400 Objects ] |
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| Colour CMOS Image (32% size, asinh stretched) 33 x 20s exposure (stacked), 1x1 binning, gain 300 2023-02-21 21:50 UT TS 80mm APO, ZWO ASI178MC & PHD2 Auto-guided using 12" LX200R (at f/10.4) + ST-10XME Frames acquired using SharpCap Processed & displayed using SiriL 1.0.6 & AstroMain |
| NGC 2126 - Earlier Image (2012) |
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| CCD Image (75% size) 5 x 30 sec exposure (average combine), 3x3 binning, C Filter 2012-02-06 22:14 h UT (#501104-08) 12" LX200R (at f/9.7) + ST-10XME |
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NGC 2141 (Orion) |
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| CCD Image 3 x 60s (average combine), clear filter 2006-01-01 23:44h UT (#108009-11) |
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| NGC 2158 |
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| Colour CCD Image, Red 2x60s (av), Green 2x60s, Blue 2x90s 2004-02-19, 22:53 to 23:04 h UT (#58216-23) |
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| NGC 2169 (Orion) Alias: H VIII-24, Hidden Treasures 36 [ Herschel 400 Objects ] [ Hidden Treasures ] |
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| Annotated CCD Image (70% size, linear scale) 9 x 30s exposure (average combine), 3x3 binning, Clear Filter 2023-04-20 21:51 UT (#1116062-70) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| NGC 2301 / H VI-27 (Monoceros) Hidden Treasures H39 [ Herschel 400 Objects ] [ Hidden Treasures ] |
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| CCD Image (70% size) 4 x 30s exposure (average combine), 3x3 binning, C Filter 2019-03-04 21:29 UT (#671014-19) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| NGC 2345 (Canis Major) |
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| Annotated CCD Image (70% size, linear scale) 6 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-02-16 21:37 UT (#1186077-83) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| NGC 2353 / H VIII-34 (Monoceros) Hidden Treasures H40 [ Herschel 400 Objects ] [ Open Star Clusters ] [ Hidden Treasures ] Bright star is HIP 34999 (mag +6.0) |
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| CCD Image (70% size) 13 x 15s exposure (average combine), 3x3 binning, C Filter 2019-02-26 22:22 UT (#669201-15) 12" LX200R (at f/10.4) + ST-10XME |
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NGC 2420 (Gemini) |
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| CCD Image Mosaic (central portion) 60 sec exposure (3x3 frames), 2x2 binning, C Filter 2006-02-03 02:09h UT (#113074-82) (Full Size Mosaic) |
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| NGC 6583 / H VII-31 (Sagittarius) |
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| CCD Image (70% size, linear scale) 6 x 30s exposure (average combine), 3x3 binning, C Filter 2020-06-09 00:44 UT (#790079-85) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| NGC 6802 (in Vulpecula) |
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| CCD image, 3 x 20 sec exposures (summed) 2003-08-03 22:42- 22:43 h UT (#48044-46) 11.4 x 7.6 arc mins |
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| NGC 6811 (Cygnus) |
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| CCD Image Mosaic (central portion) 20s, clear filter 2005-06-07 00:25 h UT (#88085-95) [ Full Size] |
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NGC 6871 (Cygnus) |
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| CCD Image Mosaic (3 x 4), (50% size) 60s exposure (average combine), 2x2 binning, C Filter 2006-05-12 23:57 hUT (#126106-17) [ Full Size ] |
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NGC 6871 (Cygnus) - detail |
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| Part of CCD Image Mosaic (3 x 4) 60s exposure (average combine), 2x2 binning, C Filter 2006-05-12 23:57 hUT (#126106-17) |
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NGC 6883 (Cygnus) |
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| Part of CCD Image Mosaic (3 x 4), (75% size) 60s exposure (average combine), 2x2 binning, C Filter 2006-05-10 23:25 hUT (#125150-16) [ Full Mosaic/Full Size ] |
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| NGC 6907 (Aquila) |
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| CCD Colour Composite, L 1x20s, B 1x60 sec, V 1x30s, R
1x30s 2004-09-02 22:47 to 22:53h UT (#70013-18) |
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| NGC 6910 (Cygnus) (no nebulosity is visible) |
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| CCD Image 3 x 60s (average combine), clear filter 2005-06-07 00:45 h UT (#88105-07) |
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NGC 7790 (Cassiopeia) |
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| CCD Image 3 x 30s exposure (average exposure), 2x2 binning, C Filter 2006-08-09 02:27hUT (#133398-406) |
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IC 348 (Perseus) |
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| CCD Image 2 x 60s (average combine), clear filter 2006-01-02 00:17h UT (#108099-103) |
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| Approximate Colour CD Image Luminance : 2 x 60s (C filter), Red : 2 x 60s Blur R filter), Blue 120s Blur (B Filter) Green : 2 x 60s Blur (V Filter) 2006-01-02 00:20h UT (#108099-106) |
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| Basel 1 (Scutum) SAC Basel 1, Saguaro Astronomy Club Database |
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| CCD Image (70% size, linear scale) 6 x 30s exposure (average combine), 3x3 binning, C Filter 2020-03-09 04:24 UT (#760314-22) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Basel 4 (Auriga) SAC Basel 4, Saguaro Astronomy Club Database Target offsets of -6.0' W, -1.5' N used to place the center of star clustering at image center. |
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| CCD Image (70% size, linear scale) 6 x 30s exposure (average combine), 3x3 binning, C Filter 2020-02-12 23:47 UT (#751248-56) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Basel 6 (Cygnus) SAC Basel 6, Saguaro Astronomy Club Database Its somewhat unclear where precise center of star clustering is |
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| CCD Image (70% size, square root scale) 6 x 30s exposure (average combine), 3x3 binning, C Filter 2020-07-08 00:11 UT (#794061-68) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Basel 7 (Monoceros) SAC Basel 7, Saguaro Astronomy Club Database Although the image is centered on the target object 'SAC Basel 7' in TheSky6 the center of star clustering appears to lie slightly to the right of center. Target to be re-imaged in a follow-up session using target offsets 3.7' W, -0.8' N |
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| CCD Image (70% size, linear scale) 3 x 30s exposure (average combine), 3x3 binning, C Filter 2020-01-26 21:14 UT (#746003-05) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Basel 8 (Monoceros) SAC Basel 8, Saguaro Astronomy Club Database Its unclear where the center of Basel 8 cluster is, though star density seems to be higher on the right hand side of the image. Target needs to be re-imaged in a follow-up session using Secondary Scope with its wider field of view |
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| CCD Image (70% size, linear scale) 6 x 30s exposure (average combine), 3x3 binning, C Filter 2020-01-28 21:53 UT (#748049-57) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Basel 10 (Perseus) SAC Basel 10, Saguaro Astronomy Club Database Note: Target imaged using target offsets -5.0' W, -1.1' N in order to position the centre of the star clustering at the centre of the image. |
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| CCD Image (70% size, square root scale) 9 x 30s exposure (average combine), 3x3 binning, C Filter 2020-09-03 23:15 UT (#804130-38) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Basel 12 (Cygnus) SAC Basel 12, Saguaro Astronomy Club Database |
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| CCD Image (70% size, square root scale) 8 x 30s exposure (average combine), 3x3 binning, C Filter 2020-07-27 01:27 UT (#796172-80) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Basel 13 (Cygnus) SAC Basel 13, Saguaro Astronomy Club Database Although the image is centered on the target object 'SAC Basel 13' in TheSky6 the precise center of star clustering is unclear. |
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| CCD Image (70% size, linear scale) 7 x 30s exposure (average combine), 3x3 binning, C Filter 2020-03-04 03:04 UT (#758205-13) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Basel 14 (Cygnus) SAC Basel 14, Saguaro Astronomy Club Database |
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| CCD Image (70% size, square root scale) 8 x 30s exposure (average combine), 3x3 binning, C Filter 2020-07-18 00:49 UT (#795051-59) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Basel 15 (Cygnus) SAC Basel 15, Saguaro Astronomy Club Database Although the image is centered on the target object 'SAC Basel 15' in TheSky6 the precise center of star clustering is unclear. |
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| CCD Image (70% size, linear scale) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2020-05-06 00:34 UT (#779093-99) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Berkeley 1 (Cassiopeia) Berkeley Catalogue |
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| CCD Image (70% size, linear scale) 7 x 30s exposure (average combine), 3x3 binning, C Filter 2020-08-09 02:09 UT (#797142-49) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Berkeley 4 (Cassiopeia) Berkeley Catalogue |
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| CCD Image (50% size) 5 x 20 sec exposure (average combine), 3x3 binning, C Filter 2014-11-30 22:28hUT (#572261-65) 12" LX200R (at f/10.4) + ST-10XME |
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| Berkeley 6 (Cassiopeia) Berkeley Catalogue |
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| CCD Image (70% size, square root scale) 9 x 30s exposure (average combine), 3x3 binning, C Filter 2020-09-01 01:27 UT (#802112-20) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Berkeley 11 (Perseus) Berkeley Catalogue |
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| CCD Image (70% size, square root scale) 9 x 30s exposure (average combine), 3x3 binning, C Filter 2020-09-01 02:55 UT (#802182-90) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Berkeley 11 - Detail |
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| CCD Image (100% size, square root scale, cropped, alternate
contrast) Image details as above |
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| Berkeley 17 (Auriga) Berkeley Catalogue |
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| CCD Image (70% size, square root scale) 9 x 30s exposure (average combine), 3x3 binning, C Filter 2020-09-04 02:13 UT (#804284-92) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Berkeley 19 (Auriga) Berkeley Catalogue |
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| CCD Image (70% size, square root scale) 8 x 30s exposure (average combine), 3x3 binning, C Filter 2020-09-01 03:08 UT (#802193-201) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Berkeley 37 (Monoceros) Berkeley Catalogue Unclear where centre of clustering is |
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| CCD Image (70% size, linear scale) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2020-11-06 01:44 UT (#827259-65) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Berkeley 43 (Aquila) Berkeley Catalogue Note: Target imaged using target offsets of W 1.6', N: 3.8', in order to position the centre of the star clustering at the centre of the image. |
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| CCD Image (70% size, square root scale) 4 x 30s exposure (average combine), 3x3 binning, C Filter 2020-09-03 21:21 UT (#804032-38) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Berkeley 45 (Aquila) Berkeley Catalogue |
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| CCD Image (70% size, square root scale) 6 x 30s exposure (average combine), 3x3 binning, C Filter 2020-07-26 22:39 UT (#796020-28) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Berkeley 47 (Sagitta) Berkeley Catalogue |
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| CCD Image (70% size, square root scale) 6 x 30s exposure (average combine), 3x3 binning, C Filter 2020-07-26 22:49 UT (#796031-39) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Berkeley 63 (Cassiopeia) Berkeley Catalogue |
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| CCD Image (70% size, square root scale) 9 x 30s exposure (average combine), 3x3 binning, C Filter 2020-09-02 01:06 UT (#803027-35) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Berkeley 69 (Auriga) Berkeley Catalogue |
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| CCD Image (70% size, square root scale) 7 x 30s exposure (average combine), 3x3 binning, C Filter 2020-09-03 23:56 UT (#804175-83) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Berkeley 72 (Orion) Berkeley Catalogue Target only partially successful with several frames lost due to cloud & poor guiding issues. Target to be repeated. It's unclear from image below where the centre of the star clustering is so for time being the target offsets will be unchanged. |
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| CCD Image (70% size, square root scale) 3 x 30s exposure (average combine), 3x3 binning, C Filter 2020-09-04 01:52 UT (#804264-70) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Berkeley 90 (Cygnus) Berkeley Catalogue |
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| CCD Image (70% size, square root scale) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2020-07-08 01:12 UT (#794114-22) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| CCD Image (70% size, linear scale) Image details as above |
| Berkeley 90 - Earlier Image (2020-05-06) |
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| CCD Image (70% size, linear scale) 6 x 30s exposure (average combine), 3x3 binning, C Filter 2020-05-06 23:04 UT (#780068-73) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Berkeley 91 (Cygnus) Berkeley Catalogue |
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| CCD Image (70% size, linear scale) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2020-05-06 23:16 UT (#780078-84) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Berkeley 95 (Cepheus) Berkeley Catalogue |
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| CCD Image (70% size, linear scale) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2020-08-09 01:45 UT (#797121-26) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Berkeley 100 (Cepheus) Berkeley Catalogue Glare in top right of image is from mag 6.7 star HIP 115569 lying 22" outside of FOV |
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| CCD Image (70% size, square root scale) 9 x 30s exposure (average combine), 3x3 binning, C Filter 2020-09-01 01:38 UT (#802122-30) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Berkeley 100 - Detail |
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| CCD Image (100% size, square root scale, cropped) Image details as above |
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| Berkeley 101 (Cepheus) |
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| CCD Image (70% size, square root scale) 9 x 30s exposure (average combine), 3x3 binning, C Filter 2020-07-18 01:16 UT (#795073-81) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Berkeley 102 (Cassiopeia) Berkeley Catalogue |
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| CCD Image (70% size, linear scale) 9 x 30s exposure (average combine), 3x3 binning, C Filter 2020-09-01 00:18 UT (#802053-61) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Berkeley 103 (Cassiopeia) Berkeley Catalogue |
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| CCD Image (70% size, square root scale) 9 x 30s exposure (average combine), 3x3 binning, C Filter 2020-09-01 00:47 UT (#802080-88) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Biur 2 (Cygnus) SAC Biur 2, Saguaro Astronomy Club Database |
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| CCD Image (70% size, linear scale) 8 x 30s exposure (average combine), 3x3 binning, C Filter 2020-03-04 03:36 UT (#758228-36) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Biur 7 (Monoceros) SAC Biur 7, Saguaro Astronomy Club Database Biurakan (or Byurakan) comes from the Armenian observatory (BAO). It was unclear exactly where the the center of Biur 7 star clustering from this earlier image With the information from the wider view picture it seems most likely that Biur 7 lies just left of the image centre |
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| CCD Image (70% size, linear scale) 8 x 30s exposure (average combine), 3x3 binning, C Filter 2020-01-26 22:28 UT (#746043-51) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Biur 8 (Monoceros) SAC Biur 8, Saguaro Astronomy Club Database Image centered on the target object 'SAC Basel 10' in TheSky6 |
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| CCD Image (70% size, linear scale) 6 x 30s exposure (average combine), 3x3 binning, C Filter 2020-02-12 19:51 UT (#751061-68) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Biur 9 (Monoceros) SAC Biur 9, Saguaro Astronomy Club Database Biurakan (or Byurakan) comes from the Armenian observatory (BAO). Picture below was intended as a follow-up wider field image that could demonstrate where the center of Bier 9 clustering was located. Due to cloud / star align issue only 4 frames were able to be collected and the depth of the image is less not sufficient to answer the question. |
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| CMOS B/W Image (16% size, linear scale) 4 x 10s (average combine), 1x1 binning, Gain 200, Raw16 2020-01-28 21:06 UT (Set 1, SharpCap LiveStack, Stretched) ASI178MC (OSC) + TS 80mm f/6 APO, mounted on 12" LX200R |
| Biur 9 - Earlier Image (2020-01-26) It was unclear exactly where the the center of Biur 9 star clustering was from this earlier image With the information from the new wider view picture (above) the question is still unanswered. |
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| CCD Image (70% size, linear scale) 6 x 30s exposure (average combine), 3x3 binning, C Filter 2020-01-26 22:56 UT (#746067-74) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Biur 11 (Monoceros) SAC Biur 11, Saguaro Astronomy Club Database Biurakan (or Byurakan) comes from the Armenian observatory (BAO). It is clear where the center of Biur 11 star clustering is exactly. Biur 11 and adjacent Biur 12 cluster to be re-imaged in a follow-up session as a wider field taken with Secondary Scope |
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| CCD Image (70% size, linear scale) 8 x 30s exposure (average combine), 3x3 binning, C Filter 2020-01-26 22:17 UT (#746032-40) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Biur 12 (Monoceros) SAC Biur 12, Saguaro Astronomy Club Database Biurakan (or Byurakan) comes from the Armenian observatory (BAO). Clustering believed to be Biur 12 cluster lies on the right hand side of image Bright star at top of image is HIP 32872 (mag +6.97) |
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| CCD Image (70% size, linear scale) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2020-01-28 21:16 UT (#748040-46) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Biur 12 - Detail View of clustering believed to be the Open Cluster Biur 12 |
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| CCD Image (100% size, linear scale, cropped) Image details as above |
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| SAC Biur 13 (Monoceros) Open Cluster - Saguaro Astronomy Club Database |
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| CCD Image 60s exposure C Filter 2004-12-19 01:12h UT (#80149) |
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| Czernik 1 (Cassiopeia) SAC Czernik 1, Saguaro Astronomy Club Database Although the image is centered on the target object 'SAC Czernik 1' in TheSky6 the center of star clustering appears to lie to the upper right of center. Note: Target to be re-imaged in a follow-up session using target offsets 1.5' W, 3.1' N |
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| CCD Image (70% size, linear scale) 8 x 30s exposure (average combine), 3x3 binning, C Filter 2020-02-12 23:34 UT (#751237-45) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Graff 1 (Serpens) SAC Graff 1, Saguaro Astronomy Club Database It 's unclear exactly where the the center of Graff 1 star clustering is. May be it lies in lower left of image centre |
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| CCD Image (70% size, linear scale) 5 x 45s exposure (average combine), 3x3 binning, C Filter 2020-03-09 03:47 UT (#760278-84) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| SAC King 14 (Cassiopeia) |
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| CCD Image 3 x 60 sec exposure (average), V filter 2005-08-14 22:40 h UT (#92159-61) |
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|
SAC Tr 1 (Cassiopeia) |
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| CCD Mosaic (2 x 3), 75% size 30sec exposure, 2x2 binning, C Filter 2006-01-11 22:46h UT (#110098-103) [ Full Size ] |
| Detailed Image of SAC Tr 1 |
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| Central portion of CCD Image 6 x 30sec exposure (average combine), 1x1 binning, C Filter 2006-01-11 22:55h UT (#110106-111) [ Full Size ] |
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| This Web Page: | Open Star Clusters |
| Last Updated : | 2024-02-18 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
