David's Astronomy Pages Images - Session 1112 (2023-04-14)

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29P/Schwassmann-Wachmann - Comet C/2019 U5 (PANSTARRS) - Comet     NGC 2708 - Spiral Galaxy with Type Ia Supernova 2023bee NGC 3690 - Spiral Galaxy with Type Ib Supernova 2022gnp NGC 3799 - Spiral Galaxy with Type TDE Transient AT 2023clx     UGC 3044 - Irregular Galaxy with Type II Supernova 2023cf UGC 4269 - Spiral Galaxy with Type Ia-91T Supernova 2023dxb UGC 8046 - Spiral Galaxy with Type II Supernova 2022zxr     Variable Stars (photometric monitoring) - None      Nearby Stars (astrometric monitoring) -  None

- Attempted all night session (4.5 hours) but effectively ended by cloud     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 3°C (min) - CCD Temperature:    -15°/-20°C - Notes from 2023-04-14 >>       -

29P/Schwassmann-Wachmann - Comet

29P/Schwassmann-Wachmann - 2023-04-14 (passing through Gemini) Sun Distance 6.09 AU (receeding) Earth Distance 6.33 AU (946.5 million km)		29P/Schwassmann-Wachmann - 2023-04-14 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 18.07 arcsec/hr, Dec -3.64 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 11 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-04-14 21:24 UT (#1112012-22) 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) 11 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-04-14 21:24 UT (#1112012-22) 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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C/2019 U5 (PANSTARRS) - Comet

C/2019 U5 (PANSTARRS) - 2023-04-14 (passing through Leo) Sun Distance 3.63 AU (receeding) Earth Distance 2.74 AU (410.2 million km)		C/2019 U5 (PANSTARRS) - 2023-04-14 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -70.37 arcsec/hr, Dec -6.40 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 60s exposure (single frame), 3x3 binning, Clear Filter 2023-04-14 22:58 UT (#1112047) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		CCD Image (100% size, square root scale, cropped) 60s exposure (single frame), 3x3 binning, Clear Filter 2023-04-14 22:58 UT (#1112047) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of C/2019 U5 (PANSTARRS) on Comets 2022 Page >> Images of C/2019 U5 (PANSTARRS) on Comets 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 - 2023-04-14 (T+72.2d) Image below (2023-04-14.906) was taken 72.2 days after discovery of 2023bee Position of reported SN (fading but still distinct) is shown by white cross-hairs Measured magnitude  +15.58

Annotated CCD Image (100% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-04-14 21:49 UT (#1112029-31) 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 3690 - Spiral Galaxy with Transient PSN J11283070+5833456

NGC 3690 with PSN J11283070+5833456 (Ursa Major) PSN J11283070+5833456 (Type: unk) discovered 2023-03-29.819 UT by XOSS  ( Rochester Supernova site )

NGC 3690 with PSN J11283070+5833456 - 2023-04-14 (T+16.2d) Image below (2023-04-14.976) was taken 16.2 days after discovery of PSN J11283070+5833456 Position of SN (indistinguishable) is shown by white cross-hairs

Annotated CCD Image (150% size, log scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-04-14 23:34 UT (#1112057-61) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of PSN J11283070+5833456  (NGC 3690) on Transients 2023 Page

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

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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 - 2023-04-14 (T+97.6d) Image below (2023-04-14.872) was taken 97.6 days after discovery of 2023cf Position of reported SN (faint) is shown by white cross-hairs Measured Magnitude +16.92

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-04-14 21:05 UT (#1112005-09) 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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UGC 4269 - Spiral Galaxy with Type Ia-91T Supernova 2023dxb

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UGC 8046 - Spiral Galaxy with Type II Supernova 2022zxr

UGC 8046 with SN 2022zxr (Ursa Major) SN 2022zxr (Type: II) discovered 2022-11-10.491 UT by ZTF Alias: ZTF22abtcyhv Discovery Mag +16.65  ( Rochester Supernova site | TNS 2022zxr )

UGC 8046 with SN 2022zxr - 2023-04-15 (T+155.5d) Image below (2023-04-15.038) was taken 155.5 days after discovery of 2022zxr Position of reported SN (faint) is shown by white cross-hairs Measured magnitude  ?

Annotated CCD Image (150% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-04-15 00:58 UT (#1112068-69) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2022zxr (UGC 8046) on Supernova 2022 Page >>

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