David's Astronomy Pages CCD Images - Session 1109 (2023-03-30)

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Images (S1110)

Objects	Session Notes
C/2022 A2 (PANSTARRS) - Comet C/2022 U2 (ATLAS) - Comet     UGC 3044 - Irregular Galaxy with Type II Supernova 2023cf     Variable Stars (photometric monitoring) - None      Nearby Stars (astrometric monitoring) -  HH And, Groombridge 34	- Attempted all night session (7.7 hours). Start delayed by cloud, and cloud caused session to be suspended for most of the night.     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 6°C (min) - CCD Temperature:    -15°C - Notes from 2023-03-30 >>       -

C/2022 A2 (PANSTARRS) - Comet

C/2022 A2 (PANSTARRS) - 2023-03-31  (passing through Andromeda) Sun Distance 1.81 AU (receeding) Earth Distance 2.44 AU (364.6 million km)		C/2022 A2 (PANSTARRS) - 2023-03-31 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 70.29 arcsec/hr, Dec -28.00 arcsec/hr) Single frame only (due to cloud)
Annotated CCD Image (50% size, square root scale) 60s exposure (single frame), 3x3 binning, Clear Filter 2023-03-31 03:53 UT (#1109025) 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) Image details as left
Images of C/2022 A2 (PANSTARRS) on Comets 2023 Page >>

C/2022 A2 (PANSTARRS)  - False Colour Inverse Spectrum Images

C/2022 A2 (PANSTARRS) - 2023-03-31

False Colour CCD Image (70% size, log scale) 60s exposure (single frame), 3x3 binning, Clear Filter 2023-03-31 03:53 UT (#1109025) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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C/2022 U2 (ATLAS) - Comet

C/2022 U2 (ATLAS) - 2023-03-30 (passing through Monoceros) Sun Distance 1.72 AU (receeding) Earth Distance 1.33 AU (198.7 million km) Position of comet (not distinguishable) is indicated by white circle		C/2022 U2 (ATLAS) - 2023-03-30 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 61.35 arcsec/hr, Dec -50.50 arcsec/hr) Single frame only (due to cloud)
Annotated CCD Image (50% size, square root scale) 90s exposure (single frame), 3x3 binning, Clear Filter 2023-03-30 21:03 UT (#1109012) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		Annotated CCD Image (100% size, square root scale, cropped) Image details as left
Images of C/2022 U2 (ATLAS) on Comets 2023 Page >>

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UGC 3044 - Irregular Galaxy with Type II Supernova 2023cf

UGC 3044 with SN 2023cf (Taurus) SN 2023cf (Type: II) discovered 2023-01-07.225 UT by ZTF Alias: ZTF23aaaatjn Discovery Mag 17.51 (orange-ATLAS filter)  ( Rochester Supernova site | TNS 2023Q )

UGC 3044 with SN 2023cf - 2023-03-30 (T+82.6d) Image below (2023-03-30.862) was taken 82.6 days after discovery of 2023cf Position of reported SN (faint but still distinct) is shown by white cross-hairs Measured magnitude +16.77

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-03-30 20:50 UT (#1109005-09) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023cf (UGC 3044) on Supernova 2023 Page >>

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