David's Astronomy Pages CCD Images - Session 1111 (2023-04-10)

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81/P Wild - Comet 29P/Schwassmann-Wachmann - Comet     IC 4305 - Elliptical Galaxy with Type Ia Supernova 2023edc NGC 2708 - Spiral Galaxy with Type Ia Supernova 2023bee NGC 3799 - Spiral Galaxy with Type TDE Transient AT 2023clx NGC 4235 - Spiral Galaxy with Transient AT 2022aanc NGC 5915 - Spiral Galaxy with Type Ia Supernova 2023cpt     - UGC 6674 w/SN2023bvi , AT2023ctx & C/2022 A2 (PANSTARRS) attempts failed (due to cloud)     Variable Stars (photometric monitoring) - None      - SS Cyg attempt failed (due to cloud)      Nearby Stars (astrometric monitoring) -  None

- Attempted all night session (6.1 hours) interrupted by cloud on sevral occasions. Some targets/images affected by cloud.     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 5°C (min) - CCD Temperature:    -20°C - Notes from 2023-04-10 >>       -

81/P Wild - Comet

81P/Wild - 2023-04-11 (passing through Sagittarius) Sun Distance 1.95 AU  (receeding) Earth Distance 1.32 AU (197.9 million km)		81P/Wild - 2023-04-11 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 21.63 arcsec/hr, Dec 2.79 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-04-11 03:32 UT (#1111091-93) 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) 12 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-04-11 03:38 UT (#1111091-102) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of 81/P Wild on Comets 2016 Page >>
Images of 81/P Wild on Comets 2022 Page >>
Images of 81/P Wild on Comets 2023 Page >>

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29P/Schwassmann-Wachmann - Comet

29P/Schwassmann-Wachmann - 2023-04-10 (passing through Gemini) Sun Distance 6.09 AU (receeding) Earth Distance 6.26 AU (937.2 million km) Poor quality image (wind/poor guiding, 2 sub-frames only)		29P/Schwassmann-Wachmann - 2023-04-10 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 16.73 arcsec/hr, Dec -3.62 arcsec/hr) Poor quality image (wind/poor guiding, 2 sub-frames only)
Annotated CCD Image (50% size, square root scale) 2 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-04-10 22:22 UT (#1111017-23) 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) 2 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-04-10 22:22 UT (#1111017-23) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of 29P/Schwassmann-Wachmann on Comets 2023 Page >>

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IC 4305 - Elliptical Galaxy with Type Ia Supernova 2023edc

IC 4305 with SN 2023edc (Canes Venatici) SN 2023edc (Type: Ia) discovered 2023-03-28.518 UT by PS1 Alias: PS23bcb Discovery Mag 18.12 (w-PI Filter)  ( Rochester Supernova site | TNS 2023edc )

IC 4305 with SN 2023edc - 2023-04-10 (T+13.5d) Image below (2023-04-10.971) was taken 13.5 days after discovery of 2023edc Position of reported SN (distinct) is shown by white cross-hairs

Annotated CCD Image (150% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-04-10 23:21 UT (#1111044-45) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023edc (IC 4305) on Supernova 2023 Page >>

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NGC 2708 - Spiral Galaxy with Type Ia Supernova 2023bee

NGC 2708 with SN 2023bee (Hydra) SN 2023bee (Type: Ia) discovered 2023-02-01.750 UT by DLT40 Alias: DLT23b, ZTF23aabtgej, ATLAS23bqm Discovery Mag 17.26 (Clear filter)  ( Rochester Supernova site | TNS 2023bee )

NGC 2708 with SN 2023bee - 2023-04-10 (T+68.2d) Image below (2023-04-10.915) was taken 68.2 days after discovery of 2023bee Position of reported SN (faint but still distinct) is shown by white cross-hairs Measured magnitude  +15.26 Poor quality image (cloud/single frame)

Annotated CCD Image (100% size, square root scale, cropped) 180s exposure (single frame), 3x3 binning, Clear Filter 2023-04-10 21:58 UT (#1111008) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023bee (NGC 2708) on Supernova 2023 Page >>

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NGC 3799 - Spiral Galaxy with Type TDE Transient AT 2023clx

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NGC 4235 - Spiral Galaxy with Transient AT 2022aanc

NGC 4235 with AT 2022aanc (Virgo) AT 2022aanc (Type: unk) discovered 2022-11-12.536 UT by ZTF Alias: ZTF22abugigx  ( Rochester Supernova site | TNS 2022aanc )

NGC 4235 with AT 2022aanc - 2023-04-10 (T+149.4d) Image below (2023-04-10.954) was taken 149.4 days after discovery of 2022aanc Position of earlier transient (indistinguishable ) is shown by white cross-hairs Measured magnitude +13.38

Annotated CCD Image (100% size, log scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-04-10 23:03 UT (#1111035-39) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2022aanc (NGC 4235) on Transients 2022 Page >>

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NGC 5915 - Spiral Galaxy with Type Ia Supernova 2023cpt

NGC 5915 with SN 2023cpt (Libra) SN 2023cpt (Type: Ia, z=0.00758) discovered 2023-02-27.356 UT by ATLAS Alias: ATLAS23cxk Discovery Mag 17.10 (cyan-ATLAS filter)  ( Rochester Supernova site | TNS 2023cpt )

NGC 5915 with SN 2023cpt - 2023-04-11 (T+42.7d) Image below (2023-04-11.027) was taken 42.7 days after discovery of 2023cpt Position of reported SN (faint) is shown by white cross-hairs Poor quality image (cloud/single frame)

Annotated CCD Image (150% size, square root scale, cropped) 180s exposure (single frame), 3x3 binning, Clear Filter 2023-04-11 00:39 UT (#1111057) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023cpt (NGC 5915) on Supernova 2023 Page >>

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