David's Astronomy Pages Images - Session 1289 (2025-01-03)

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Images (S1290)

Objects	Session Notes
Mars - Planet Jupiter - Planet     Nova Per 2020 - Nova (V1112 Per)         Variable Stars (photometric monitoring) - None     Nearby Stars (astrometric monitoring) - None	- Attempted late night session (5.3 hr). Session interrupted by an effectively ended early due to cloud. Very cold night.     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: x°C (min) - CCD Temperature: -30°C - Notes from 2025-01-03 >>     - Aurora Images from New Years Day, 2020-01-03  >>

Observing Result

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Mars - Planet

Mars (passing through Cancer) Sun Distance 1.62 AU Earth Distance 0.65 AU (97.3 million km) (Motion  Ra -56.88 arcsec/hr, Dec 17.10 arcsec/hr)

Approximate Colour CCD Image  (175% size, linear scale, cropped Original images collected as 1/4 (one quater) frames Blue Channel: 10 x 0.3s exposure (average combine), 1x1 binning, B Filter Green Channel: 10 x 0.3s exposure (average combine), 1x1 binning, DB Filter Red Channel:  10 x 0.3s exposure (average combine), 1x1 binning, Ha Filter 2025-01-03 22:27 UT (#1289038-67) 12" LX200R (at f/10.4) + ST-10XME

Annotated CCD Image (175% size, linear scale, cropped, unsharp masked)) 10 x 0.3s exposure (average combine), 1x1 binning, DB Filter 2025-01-03 22:27 UT (#1289058-67) 12" LX200R (at f/10.4) + ST-10XME

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Jupiter - Planet

Jupiter (passing through Taurus) Sun Distance 5.08 AU Earth Distance 4.21 AU (630.5 million km) (Ra -16.28 arcsec/hr, Dec -1.40 arcsec/hr)

Jupiter - B Band Great Red Spot (GRS) is visible in SE quadrant

Annotated CCD Image (100% size, linear scale, cropped) 11 x 0.2s exposure (average combine), 1x1 binning, B Filter 2025-01-03 23:03 UT (#1289087-100) 12" LX200R (at f/10.4) + ST-10XME

Jupiter with Great Red Spot (GRS) Colour Attempt using B, V & Ha filters (Note Ha is used for R chanel as R filter images (0.12s) are saturated)

CCD Image (100% size, cropped, unsharp masked) Combined Image from composited frames 11 x 0.2s exposure (average combine), 1x1 binning, B Filter 2025-01-03 23:03 UT (#1289087-100) 12 x 0.12s exposure (average combine), 1x1 binning, V Filter 2025-01-03 23:05 UT (#1289102-16) 15 x 0.5s exposure (average combine), 1x1 binning, Ha Filter 2025-01-03 23:07 UT (#1289117-31) 12" LX200R (at f/10.4) + ST-10XME

Jupiter Moons Note: Callisto (beyond right edge) lies outside of FOV

Annotated CCD Image (70% size, linear scale) 0.2s exposure (single frame), 3x3 binning, V Filter 2025-01-03 23:02 UT (#1289082) 12" LX200R (at f/10.4) + ST-10XME

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Nova Per 2020 - Nova (V1112 Per, AT 2020abap)

Nova Per 2020 (Perseus) Nova in Perseus discovered 2020/11/25.807 [ Novae ] Nova Per 2020 discovered independently by Seiji Ueda and Stanislav Korotkiy et al AT 2020abap (Type: CV) reported 2020/11/27.230 UT by PGIR Alias: N Per 2020 , PGIR20fbf, TCP J04291888+4354233, TCP J04291884+4354232, V1112 Per

Nova Per 2020 - 2025-01-03 (T+1500.2d) Image below (2025-01-03.988) was taken 1500.2 days after discovery of Nova Per 2020 Nova (very faint) is shown by white cross hairs.   Estimated magnitude +18.5 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-01-03 23:46 UT (#1289152-53) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of Nova Per 2020 on Novae Page >>

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