David's Astronomy Pages Images - Session 1114 (2023-04-18)

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Session Notes

C/2019 U5 (PANSTARRS) - Comet C/2022 A2 (PANSTARRS) - Comet     AT 2022fnb - CV Type Transient AT 2023cvz - CV Type Transient AT 2023dwm - CV Type Transient     IC 4305 - Elliptical Galaxy with Type Ia Supernova 2023edc IC 4688 - Spiral Galaxy with Type II Supernova 2023ftg Nova M31 2023-03a? - Candidate Nova in M31 M108 - Spiral Galaxy with Type Ic Supernova 2023dbc NGC 2708 - Spiral Galaxy with Type Ia Supernova 2023bee NGC 5915 - Spiral Galaxy with Type Ia Supernova 2023cpt     UGC 3044 - Irregular Galaxy with Type II Supernova 2023cf UGC 4132 - Spiral Galaxy with Type Ia Supernova 2023fqv UGC 5276 - Spiral Galaxy with Type Ia Supernova 2023cxk UGC 6674 - Spiral Galaxy with Type Ib Supernova 2023bvi     Variable Stars (photometric monitoring) - CI Cyg, SS Cyg, BL Lac      Nearby Stars (astrometric monitoring) -  HH And, Groombridge 34

- All night session (6.2 hours)     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 1°C (min) - CCD Temperature:    -20°/-25°C - Notes from 2023-04-18 >>     -

C/2019 U5 (PANSTARRS) - Comet

C/2019 U5 (PANSTARRS) - 2023-04-18 (passing through Leo) Sun Distance 3.63 AU (receeding) Earth Distance 2.79 AU (416.7 million km)		C/2019 U5 (PANSTARRS) - 2023-04-18 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -66.22 arcsec/hr, Dec -6.62 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-04-18 22:22 UT (#1114026-28) 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) 9 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-04-18 22:25 UT (#1114026-34) 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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C/2022 A2 (PANSTARRS) - Comet

C/2022 A2 (PANSTARRS) - 2023-04-19  (passing through Andromeda) Sun Distance 1.90 AU (receeding) Earth Distance 2.62 AU (392.1 million km) Poor quality image (poor sky transparency)		C/2022 A2 (PANSTARRS) - 2023-04-19 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 49.66 arcsec/hr, Dec -19.72 arcsec/hr) Poor quality image (poor sky transparency)
Annotated CCD Image (50% size, square root scale) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-04-19 02:49 UT (#1114142-46) 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 >>

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AT 2022fnb - CV Type Transient

AT 2022fnb (Cepheus) AT 2022fnb (Type: CV) discovered 2022-03-30.875 UT by MASTER Alias: MASTER OT J222553.47+602042.5 Discovery magnitude 13.2 (Clear filter) vs Last Non-Detection at limiting mag 18.9  ( TNS 2022fnb)

AT 2022fnb - 2023-04-19 (T+384.2d) Image below (2023-04-19.108) was taken 384.2 days after discovery of 2022fnb Position of earlier reported transient (still bright) is shown by white cross-hairs Measured magntitude + 12.37

Annotated CCD Image (100% size, linear scale, cropped) 4 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-04-19 02:39 UT (#1114133-37) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

AT 2022fnb - Reference Image (DSS2 Color)

Images of AT 2022fnb on Transients 2022 Page >>

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AT 2023cvz - CV Type Transient

AT 2023cvz (Aquila) AT 2023cvz (Type: CV) discovered 2023-03-07.959 UT by Gaia Alias: Gaia23bay Alerting Magnitude 12.85 (g-GAIA Filter) vs Historic Magnitude 13.79) ~0.9 mag rise in Gaia source  ( TNS 2023cvz | Gaia23bay)

AT 2023cvz - 2023-04-19 (T+42.2d) Image below (2023-04-19.122) was taken 42.2 days after discovery of 2023cvz Position of reported CV Transient (fading) is shown by white cross-hairs Measured magnitude +12.74

Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-04-19 02:59 UT (#1114149-53) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023cvz on Transients 2023 Page >>

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AT 2023dwm - CV Type Transient

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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 - 2023-04-18 (T+21.5d) Image below (2023-04-18.987) was taken 21.5 days after discovery of 2023edc Position of reported SN (faint but distinct) is shown by white cross-hairs

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-04-18 23:50 UT (#1114058-62) 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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IC 4688 - Spiral Galaxy with Type II Supernova 2023ftg

IC 4688 with SN 2023ftg (Ophiuchus) SN 2023ftg (Type: II) discovered 2023-04-16.000 UT by ATLAS Alias: ATLAS23hyg Discovery Mag 18.37 (cyan-ATLAS filter)  ( Rochester Supernova site | TNS 2023fqv )

IC 4688 - Spiral Galaxy

Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-04-19 00:33 UT (#1114073-77) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

IC 4688 with SN 2023ftg - 2023-04-19 (T+3.0d) Image below (2023-04-19.017) was taken 3.0 days after discovery of 2023ftg Position of reported SN (faint) is shown by white cross-hairs

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-04-19 00:33 UT (#1114073-77) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023fqv (UGC 4132) on Transients 2023 Page >>

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M31 - Spiral Galaxy with Candidate Nova M31 2023-03a?

M31 with Nova M31 2023-03a? (Andromeda) Nova M31 2023-03a? (Type: unk) discovered 2023-03-27.793 UT by Kamil Hornoch et al. Alias: PNV J00423893+4126379 Discovery Mag 16.6  ( Rochester Extragalactic Novae | Discovery Image (Kamil Hornoch et al)  )

Nova M31 2023-03a? - 2023-04-19 (T+22.3d) Image below (2023-04-19.074) was taken 22.3 days after discovery of Nova M31 2023-03a? Position of reported transient (not visible) is shown by white cross-hairs

Annotated CCD Image (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-04-19 01:53 UT (#1114110-13) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of Nova M31 2023-03a? (M31) on Transients 2023 Page >>

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M108 - Spiral Galaxy with Type Ic Supernova 2023dbc

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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 - 2023-04-18 (T+76.2d) Image below (2023-04-18.914) was taken 76.2 days after discovery of 2023bee Position of reported SN (fading but still distinct) is shown by white cross-hairs Measured magnitude  +15.70

Annotated CCD Image (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-04-18 22:05 UT (#1114019-23) 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 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 - 2023-04-19 (T+50.7d) Image below (2023-04-19.012) was taken 50.7 days after discovery of 2023cpt Position of reported SN (not visible / indistinct) is shown by white cross-hairs Poor quality image (poor sky transparency/cloud/single frame)

Annotated CCD Image (150% size, square root scale, cropped) 180s exposure (single frame), 3x3 binning, Clear Filter 2023-04-19 00:17 UT (#1114070) 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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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 - 2023-04-18 (T+101.7d) Image below (2023-04-18.883) was taken 101.7 days after discovery of 2023cf Position of reported SN (indistinct) is shown by white cross-hairs Poor quality image (poor sky transparency)

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-04-18 21:22 UT (#1114005-09) 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 4132 - Spiral Galaxy with Type Ia Supernova 2023fqv

UGC 4132 with SN 2023fqv (Gemini) SN 2023fqv (Type: Ia) discovered 2023-04-15.337 UT by ATLAS Alias: ATLAS23hxi Discovery Mag 18.37 (cyan-ATLAS filter)  ( Rochester Supernova site | TNS 2023fqv )

UGC 4132 - Spiral Galaxy with SN 2023fqv (T+3.6d) with adjacent galaxies PGC 22363 (catalog mag 15.7) & PGC 79283 (catalog mag 16.7)

Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-04-18 21:44 UT (#1114012-16) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 4132 with SN 2023fqv - 2023-04-18 (T+3.6d) Image below (2023-04-18.900) was taken 3.6 days after discovery of 2023fqv Position of reported SN (faint but distinct) is shown by white cross-hairs

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-04-18 21:44 UT (#1114012-16) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023fqv (UGC 4132) on Supernova 2023 Page >>

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UGC 5276 - Spiral Galaxy with Type Ia Supernova 2023cxk

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UGC 6674 - Spiral Galaxy with Type Ib Supernova 2023bvi

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