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Images - Session 1365 (2025-09-24)
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C/2022 N2 (PANSTARRS) - Comet C/2025 A6 (Lemmon) - Comet M31 - Spiral Galaxy with EGN Type Transient AT 2025wwe M33 - Spiral Galaxy with Transient AT 2025yhk (non-detection) NGC 2744 - Spiral Galaxy with Type Ic Supernova 2025oq Variable Stars (photometric monitoring) - BL Lac Nearby Stars (astrometric monitoring) - Giliese 65, Groombridge 34, Teegardens Star
- Post-midnight session (2.7 hr), start delayed for several hours due to cloud - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 10°C (min). - CCD Temperature: -10°/-15°C - Notes from 2025-09-24 >>
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| C/2022 N2 (PANSTARRS) - 2025-09-25 (passing through Taurus) Sun Distance 3.86 AU (receeding) Earth Distance 3.21 AU (479.7 million km) |
C/2022 N2 (PANSTARRS) - 2025-09-25 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 4.71 arcsec/hr, Dec 4.83 arcsec/hr) |
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| Annotated CCD Image (50% size, square root scale) 6 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-09-25 04:15 UT (#1365070-75) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (125% size, square root scale, cropped) Image details as left |
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| Images of C/2022 N2 (PANSTARRS) on Comets 2025 Page >> |
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| C/2025 A6 (Lemmon) - 2025-09-25 (passing through Lynx) Sun Distance 1.09 AU (approaching) Earth Distance 1.24 AU (186.0 million km) |
C/2025 A6 (Lemmon) - 2025-09-25 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 171.17 arcsec/hr, Dec 52.11 arcsec/hr) |
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| Annotated CCD Image (50% size, log scale) 60s exposure (single frame), 3x3 binning, Clear Filter 2025-09-25 03:02 UT (#1365036) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, log scale, cropped) 13 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-09-25 03:11 UT (#1365036-50) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| C/2025 A6 (Lemmon) - 2025-09-25 | C/2025 A6 (Lemmon) - 2025-09-25 Detail | |
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| False Colour CCD Image (50% size, log scale) 13 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-09-25 03:11 UT (#1365036-50) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
False Colour CCD Image (100% size, log scale, cropped) Image details as left |
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| Images of C/2025 A6 (Lemmon) on Comets 2025 Page >> |
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M31 with AT 2025wwe (Andromeda) |
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Nova M31 AT 2025wwe - 2025-09-25 (T+20.7d) Image below (2025-09-25.107) was taken 20.7 days after discovery of 2025wwe Position of reported transient (very faint) is shown by white cross-hairs Measured Magnitude +18.64 (Clear Filter) |
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Annotated CCD Image (125% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-09-25 02:39 UT (#1365020-22) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2025wwe (in M31) on Transients 2025 Page >> |
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M33 with AT 2025yhk (Triangulum) AT 2025yhk (Type: unk) discovered 2025-09-21.702 UT by XOSS Alias: PSP25P Discovery Magnitude 18.23 (Clear Filter) ( TNS 2025yhk ) |
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M33 - Spiral Galaxy Cam2 Reference Image |
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| Annotated CMOS Image (16% size) (10s exposure, 1x1 binning) 2025-09-25 03:47 UT TS 80mm APO, ZWO ASI178MC |
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M33 with AT 2025yhk - 2025-09-25 (T+3.5d) Transient position (not visible) is shown by white circle |
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Annotated CCD Image (70% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-09-25 03:57 UT (#1365062-66) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2025yhk (in M33) on Transients 2025 Page >> |
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NGC 2744 with SN 2025oq (Cancer) |
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NGC 2744 with SN 2025oq - 2025-09-25 (T+251.1d) Image below (2025-09-25.144) was taken 251.1 days after discovery of 2025oq Position of earlier supernova (faded & no longer visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +19.3 (Clear Filter) |
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Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-09-25 03:34 UT (#1365054-57) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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NGC 2744 with SN 2025oq - Earlier Image, 2025-04-22 (T+96.0d) Image below (2025-04-22.981) was taken 96.0 days after discovery of 2025oq Position of reported supernova (faint) is shown by white cross-hairs Estimated Magnitude +17.1 (Clear Filter) |
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Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-04-22 23:41 UT (#1316024-28) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2025oq (in NGC 2744) on Supernovae 2025 Page >> |
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| This Web Page: | Images - Session 1365 (2025-09-24) |
| Last Updated : | 2025-09-25 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
