David's Astronomy Pages Images - Session 1110 (2023-04-02)

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Session Notes

C/2019 U5 (PANSTARRS) - Comet C/2020 V2 (ZTF) - Comet C/2022 U2 (ATLAS) - Comet     AT 2022fnb - CV Type Transient AT 2023vp - CV Type Transient AT 2023dwm - CV Type Transient     IC 4305 - Elliptical Galaxy with Type Ia Supernova 2023edc Nova M31 2023-03a? - Candidate Nova in M31 M108 - Spiral Galaxy with Type Ic Supernova 2023dbc NGC 3690 - Spiral Galaxy with Type Ib Supernova 2022gnp NGC 5915 - Spiral Galaxy with Type Ia Supernova 2023cpt     UGC 3044 - Irregular Galaxy with Type II Supernova 2023cf UGC 4025 - Spiral Galaxy with Type Ia Supernova 2023boc UGC 8046 - Spiral Galaxy with Type II Supernova 2022zxr UGC 11225 - Spiral Galaxy with Type II Supernova 2023bqh       - AT2023ctx attempt failed (due to cloud/bad guiding) - 364P/PANSTARRS attempt failed (due to cloud)     Variable Stars (photometric monitoring) - BL Lac      Nearby Stars (astrometric monitoring) -  Barnards Star, Groombridge 34

- Attempted all night session (7.5 hours).     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 4°C (min) - CCD Temperature:    -15°C - Notes from 2023-04-02 >>       -

C/2019 U5 (PANSTARRS) - Comet

C/2019 U5 (PANSTARRS) - 2023-04-02 (passing through Virgo) Sun Distance 3.62 AU (approaching) Earth Distance 2.65 AU (396.5 million km)		C/2019 U5 (PANSTARRS) - 2023-04-02 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -79.75 arcsec/hr, Dec -6.06 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-04-02 21:21 UT (#1110040-42) 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 2023-04-02 21:24 UT (#1110040-48) 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 >>

C/2019 U5 (PANSTARRS)  - False Colour Inverse Spectrum Images

C/2019 U5 (PANSTARRS) - 2023-04-02

False Colour CCD Image (70% size, log scale) 9 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-04-02 21:24 UT (#1110040-48) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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C/2020 V2 (ZTF) - Comet

C/2020 V2 (ZTF) - 2023-04-02 (passing through Triangulum) Sun Distance 2.27 AU (approaching) Earth Distance 3.03 AU (453.3 million km)		C/2020 V2 (ZTF) - 2023-04-02 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 30.10 arcsec/hr, Dec -34.60 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-04-02 20:57 UT (#1110022-24) 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) 15 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-04-02 21:04 UT (#1110022-36) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of C/2020 V2 (ZTF) on Comets 2022 Page >>  Images of C/2020 V2 (ZTF) on Comets 2023 Page >>

C/2020 V2 (ZTF)  - False Colour Inverse Spectrum Images

C/2020 V2 (ZTF)  - 2023-04-02

Annotated false-colour CCD Image (70% size, square root scale) 15 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-04-02 21:04 UT (#1110022-36) 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) - 2023-04-02 (passing through Monoceros) Sun Distance 1.75 AU (receeding) Earth Distance 1.38 AU (207.1 million km) Position of comet (not distinguishable) is indicated by white circle		C/2022 U2 (ATLAS) - 2023-04-02 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 60.97 arcsec/hr, Dec -46.80 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 3 x 90s exposure (average combine), 3x3 binning, Clear Filter 2023-04-02 22:06 UT (#1110062-64) 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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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 - 2023-04-03 (T+368.2d) Image below (2023-04-03.115) was taken 368.2 days after discovery of 2022fnb Position of earlier reported transient (still bright) is shown by white cross-hairs Measured magntitude + 12.22

Annotated CCD Image (100% size, linear scale, cropped) 60s exposure (single frame), 3x3 binning, Clear Filter 2023-04-03 02:45 UT (#1110171) 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 2023vp - CV Type Transient

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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 T+5.5d) with adjacent galaxies  IC 4304 (catalog mag +14.2),  IC 4306  (catalog mag +15.5),  (IC 4302 (catalog mag +15.6),  IC 4300  (catalog mag ?), PGC 2032203 (catalog mag +16.7),  PGC 2032140  ,  PGC 214123 (catalog mag +17.9), PGC 2034587

Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-04-02 23:38 UT (#1110096-99) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

IC 4305 with SN 2023edc - 2023-04-02 (T+5.5d) Image below (2023-04-02.980) was taken 5.5 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) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-04-02 23:38 UT (#1110096-99) 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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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? (T+6.1d) Image taking with secondary scope showing position of reported transient (blue circle) relative to outline of M31 galaxy (white ellipse) & M31 Galaxy centre (labelled)

CMOS Image (16% size) 10s exposure (stacked), 1x1 binning 2023-04-02 21:31 UT (#Cam2_Ref) TS 80mm APO, ZWO ASI178MC & PHD2

Nova M31 2023-03a? (T+6.1d) Position of reported transient (faint) is shown by white circle

Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-04-02 20:43 UT (#1110015-19) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Nova M31 2023-03a? - 2023-04-02 (T+6.1d) Image below (2023-04-02.857) was taken 6.1 days after discovery of Nova M31 2023-03a? Position of reported transient (faint) is shown by white cross-hairs

Annotated CCD Image (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-04-02 20:43 UT (#1110015-19) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Annotated Negative CCD Image (100% size, square root scale, cropped) Image details as above

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 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 - Spiral Galaxy Part of ARP 299 & ARP 296 [ ARP Galaxies ]

Annotated CCD Image (50% size, log scale) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2022-04-18 22:16 UT (#1000029-33) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 3690 with PSN J11283070+5833456 - 2023-04-03 (T+4.2d) Image below (2023-04-03.033) was taken 4.2 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) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-04-03 00:55 UT (#1110124-28) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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

NGC 3690 - Earlier Image (2014)

CCD Image (Log Scaled, 150% size, cropped) 5 x 90s sec exposure (average combine), 3x3 binning, C Filter 2014-12-04 01:35 h UT (#574426-30) 12" LX200R  (at f/10.4) + ST-10XME

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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 - 2023-04-03 (T+34.7d) Image below (2023-04-03.048) was taken 34.7 days after discovery of 2023cpt Position of reported SN (faint) 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 2023-04-03 01:15 UT (#1110131-34) 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 - 2023-04-02 (T+85.7d) Image below (2023-04-02.933) was taken 85.7 days after discovery of 2023cf 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 2023-04-02 22:32 UT (#1110074-78) 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 4025 - Spiral Galaxy with Type Ia Supernova 2023boc

UGC 4025 with SN 2023boc (Canis Minor) SN 2023boc (Type: Ia) discovered 2023-02-12.234 UT by ZTF Alias: ZTF23aacfiuv Discovery Mag 18.00 (r-ZTF filter)  ( Rochester Supernova site | TNS 2023boc )

UGC 4025 with SN 2023boc - 2023-04-03 (T+49.8d) Image below (2023-04-03.000) was taken 49.8 days after discovery of 2023boc Position of reported SN (faint) is shown by white cross-hairs Very poor quality image (due to bright moonlit sky / cloud)

Annotated CCD Image (150% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-04-03 00:10 UT (#1110109-13) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023boc (UGC 4025) on Supernova 2023 Page >>

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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 - 2023-04-02 (T+143.5d) Image below (2023-04-02.963) was taken 143.5 days after discovery of 2022zxr Position of reported SN (faint) is shown by white cross-hairs Measured magnitude  +16.94

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-04-02 23:15 UT (#1110088-92) 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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UGC 11225 - Spiral Galaxy with Type II Supernova 2023bqh

UGC 11225 with SN 2023bqh (Draco) SN 2023bqh (Type: II) discovered 2023-02-12.982 UT by XOSS Alias: PSP23C, Gaia23atx, ZTF23aacdlst Discovery Mag 19.85 (r-ZTF filter)  ( Rochester Supernova site | TNS 2023bqh | Gaia23atx )

UGC 11225 with SN 2023bqh - 2023-04-02 (T+49.0d) Image below (2023-04-02.948) was taken 49.0 days after discovery of 2023bqh Position of earlier SN (faint) is shown by white cross-hairs Measured Magnitude ? (unable to extract magnitude)

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-04-02 22:53 UT (#1110081-85) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023bqh (UGC 11225) on Supernova 2023 Page >>

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