David's Astronomy Pages Images - Session 1146 (2023-09-18)

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C/2022 A2 (PANSTARRS) - Comet     AT 2023rsr - CV Type Transient (near NGC 947) AT 2022xwk - Transient AT 2023bso - CV Type Transient AT 2023rao - Transient AT 2023rfq - Type YSO? Transient AT 2023rgi - Type ulens? Transient AT 2023rud - Transient (Attempt)     LEDA 1488100 - Galaxy with Type Ia Supernova 2023olz M33 - Spiral Galaxy with Transient AT 2023nou MCG +5-26-43 - Spiral Galaxy with Type II Supernova 2023af     NGC 205 (M110) - Elliptical Galaxy with Transient AT 2023sqw (Attempt / Unconfirmed) NGC 1086 - Spiral Galaxy with Type II Supernova 2023rix NGC 1461 - Spiral Galaxy with Unconfirmed Transient AT 2023och (Unconfirmed) NGC 2326 - Spiral Galaxy with Type II Supernova 2023pgb     UGC 3174 - Irregular Galaxy with Type IIb Supernova 2023mut UGC 11858 - Spiral Galaxy with Type Ia Supernova 2023rjj       - C/2023 E1 (ATLAS) attempt failed (due to cloud) - NGC 1272 w/AT2023seo attempt failed (due to poor guiding)     Variable Stars (photometric monitoring) - BL Lac      Nearby Stars (astrometric monitoring) - Barnards Star   -

- Attempted all-night session (8.0 hrs) with 2 interruptions from cloud     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 6.5°C (min) - CCD Temperature:  -15° C - Notes from 2023-09-18 >>     - Aurora Images/Video from 2023-09-18 >> -

C/2022 A2 (PANSTARRS) - Comet

C/2022 A2 (PANSTARRS) - 2023-09-19  (passing through Pisces) Sun Distance 3.12 AU (receeding) Earth Distance 2.13 AU (318.8 million km)		C/2022 A2 (PANSTARRS) - 2023-09-19 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -58.40 arcsec/hr, Dec -71.27 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 2 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-09-19 00:02 UT (#1146096-97) 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) 3 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-09-19 00:04 UT (#1146096-100) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
Images of C/2022 A2 (PANSTARRS) on Comets 2023 Page >>

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AT 2023rsr - CV Type Transient (near NGC 947)

AT 2023rsr (Perseus) AT 2023rsr (Type: CV) discovered 2023-09-04.132 UT by Gaia Alias: Gaia23cfy Discovery Mag 11.68 (G-Gaia Filter)  (vs historic mag 11.97) ~0.25 mag rise in Be star  ( TNS 2023rsr | Gaia23cfy )

AT 2023rsr - 2023-09-18 (T+14.8d) Image below (2023-09-18.941) was taken 14.8 days after discovery of 2023rsr Position of reported transient (distinct) is shown by white cross-hairs Measured magnitude ?  (Unable to insert WCS)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-09-18 22:38 UT (#1146063-67) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023rsr on Transients 2023 Page >>

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AT 2022xwk - Transient

AT 2022xwk (Pegasus) AT 2022xwk (Type: unk) discovered 2022-10-17.146 UT by ZTF Alias: ZTF22abnmsdh Discovery Mag 15.92 (g-ZTF Filter) (vs prior non-detection mag at 20.24, limiting flux)  ( TNS 2022xwk )

AT 2022xwk - 2023-09-18 (T+336.8d) Image below (2023-09-18.972) was taken 336.8 days after discovery of 2022xwk Position of earlier transient (faded/no longer visible) is shown by white cicle)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-09-18 23:27 UT (#1146082-86) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2022xwk on Transients 2022 Page >>

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AT 2023bso - CV Type Transient

AT 2023bso (Cassiopeia) AT 2023bso (Type: CV) discovered 2023-02-13.498 UT by Gaia Alias: Gaia23asd Discovery Mag 14.01 (G-Gaia Filter)  (vs Historic Mag 14.25) ~0.2 mag rise in Gaia and wise source  ( TNS 2023bso | Gaia23asd )

AT 2023bso - 2023-09-18 (T+217.4d) Image below (2023-09-18.886) was taken 217.4 days after discovery of 2023bso Position of reported transient  (likely faded back to nomal) is shown by white cross-hairs Measured magnitude+13.62 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-09-18 21:19 UT (#1146037-41) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023bso on Transients 2023 Page >>

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AT 2023rao - Transient

AT 2023rao (Pegasus) AT 2023rao (Type: unk) discovered 2023-08-16.381 UT by Gaia Alias: Gaia23bxu Alerting Mag +16.92 (G-Gaia Filter)  (vs Historic Magnitude +17.65) Brightening in Gaia, WISE and UV source  ( TNS 2023rao | Gaia23bxu )

AT 2023rao - 2023-09-18 (T+33.6d) Image below (2023-09-18.956) was taken 33.6 days after discovery of 2023rao Position of transient (faint but distinct) is shown by white cross-hairs Measured magnitude +16.35  (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-09-18 23:06 UT (#1146075-79) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023rao on Transients 2023 Page >>

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AT 2023rfq - Type YSO? Transient

AT 2023rfq (Cygnus) AT 2023rfq (Type: YSO?) discovered 2023-08-24.114 UT by Gaia Alias: Gaia23cbk Discovery Mag 13.19 (G-Gaia Filter)  (vs Historic Mag 13.49) Brightening in candidate YSO  ( TNS 2023rfq | Gaia23cbk )

AT 2023rfq - 2023-09-18 (T+25.7d) Image below (2023-09-18.850) was taken 25.7 days after discovery of 2023rfq Position of reported transient is shown by white cross-hairs Measured magnitude +13.01 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-09-18 20:33 UT (#1146005-09) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023rfq on Transients 2023 Page >>

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AT 2023rgi - Type ulens? Transient

AT 2023rgi (Cepheus) AT 2023rgi (Type: ulens?) discovered 2023-08-27.945 UT by Gaia Alias: Gaia23ccc Discovery Mag 10.98 (G-Gaia Filter)  (vs Historic Mag 11.25) Bright gal.plane source candidate microlensing event or Be-type outburst rises by 0.3 mag  ( TNS 2023rgi | Gaia23ccc )

AT 2023rgi - 2023-09-18 (T+21.9d) Image below (2023-09-18.872) was taken 21.9 days after discovery of 2023rgi Position of reported transient  is shown by white cross-hairs Measured magnitude ? (Unable to insert WCS)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-09-18 21:03 UT (#1146030-34) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023rgi on Transients 2023 Page >>

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AT 2023rud - Transient

AT 2023rud (Cassiopeia) AT 2023rud (Type: unk) discovered 2023-09-08.188 UT by GEOTS Alias: GEOTS-Balaji-2023-017, TCP J23572531+5241341 Discovery Mag 16.8 (Clear Filter)  (vs earlier non-detection with limiting mag 18.0) Hostless transient  ( TNS 2023rud )

AT 2023rud - 2023-09-19 (T+10.9d) Image below (2023-09-19.073) was taken 10.9 days after discovery of 2023rud Position of reported transient (not confirmed) is shown by white circle. Unclear if star-like object near to reported coords (also seen in DSS2 Ref Image) is the transient object or not Note:  unable to link image or insert WCS

Annotated CCD Image (100% size, linear scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-09-19 01:52 UT (#1146125-28) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023rud on Transients 2023 Page >>

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LEDA 1488100 - Galaxy with Type Ia Supernova 2023olz

LEDA 1488100 with SN 2023olz (Taurus) SN 2023olz (Type: Ia) discovered 2023-08-04.405 UT by ZTF Alias: ZTF23aavxtvg Discovery Magnitude 19.02 (g-ZTF Filter)  ( TNS 2023olz )

LEDA 1488100 with SN 2023olz - 2023-09-19 (T+45.7d) Image below (2023-09-19.058) was taken 45.7 days after discovery of 2023olz Position of reported SN (faint but distinct) is indicated by white cross-hairs. Measured Magnitude +15.86 (nucleus + SN)

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-09-19 01:32 UT (#1146118-22) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023olz (in LEDA 1488100) on Supernova 2023 Page >>

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M33 - Spiral Galaxy with Transient AT 2023nou

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MCG +5-26-43 - Spiral Galaxy with Type II Supernova 2023af

MCG +5-26-43 with SN 2023af (Leo Minor) SN 2023af (Type: II, z=0.03027) discovered 2023-01-02.912 UT by XOSS Alias: KATS23A001 Discovery Mag 16.73 (Clear filter)  ( TNS 2023af )

MCG +5-26-43 with SN 2023af - 2023-09-19 (T+259.3d) Image below (2023-09-19.163) was taken 259.3 days after discovery of 2023af Position of earlier supernova (not visible) is shown by white cross-hairs Poor quality image (poor sky transparency / cloud)

Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-09-19 04:01 UT (#1146169-72) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023af (MCG +5-26-43) on Supernova 2023 Page >>

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NGC 205 (M110) - Elliptical Galaxy with Transient AT 2023sqw (Attempted Observation / Unconfirmed)

NGC 205 with AT 2023sqw (Andromeda) AT 2023sqw (Type: unk) discovered 2023-09-15.249 UT by Chris Spratt Discovery Mag 17.47 (G-Gaia Filter)  Transient was discovered by C. E. Spratt on images obtained at the Rothney Astrophysical Observatory (University of Calgary) Baker-Nunn Schmidt + CCD Transient reported by Dave Balam  ( TNS 2023sqw )

NGC 205 with AT 2023sqw - 2023-09-19 (T+3.8d) Image below (2023-09-19.015) was taken 3.8 days after discovery of 2023sqw Position of reported transient (not visible) is shown by white circle No sign of transient object at reported coordinates.

Annotated CCD Image (150% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-09-19 00:24 UT (#1146106-07) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023sqw (NGC 205) on Transients 2023 Page >>

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NGC 1086 - Spiral Galaxy with Type II Supernova 2023rix

NGC 1086 with SN 2023rix (Perseus) SN 2023rix (Type: II) discovered 2023-09-05.365 UT by ALeRCE Discovery Magnitude 18.21 (g-ZTF Filter)  ( TNS 2023rix )

NGC 1086 with SN 2023rix - 2023-09-19 (T+13.7d) Image below (2023-09-19.045) was taken 13.7 days after discovery of 2023rixx Position of reported transient (faint but distinct) is indicated by white cross-hairs. Measured Magnitude ? (not resolveable in SExtractor)

Annotated CCD Image (150% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-09-19 01:12 UT (#1146112-15) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023rix (in NGC 1086) on Supernova 2023 Page >>

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NGC 1461 - Spiral Galaxy with Unconfirmed Transient AT 2023och (Unconfirmed)

NGC 1461 with AT 2023och (Eridanus) AT 2023och (Type: unconf) discovered 2023-07-26.789 UT by Seiichiro Naito Discovery Magnitude 18.21 (g-ZTF Filter)  ( TNS 2023och )

NGC 1461 with AT 2023och - 2023-09-19 (T+54.3d) Image below (2023-09-19.133) was taken 54.3 days after discovery of 2023och Position of reported transient (not visible) is indicated by white cross-hairs.

Annotated CCD Image (150% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-09-19 03:18 UT (#1146154-56) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of  AT 2023och (in NGC 1461) on Transients 2023 Page >>

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NGC 2326 - Spiral Galaxy with Type II Supernova 2023pgb

NGC 2326 with SN 2023pgb (Lynx) SN 2023pgb (Type: II) discovered 2023-08-12.496 UT by ZTF Alias: ZTF23aaxdfya Discovery Magnitude 17.44 ( r-ZTF)  ( TNS 2023pgb )

NGC 2326 with SN 2023pgb - 2023-09-19 (T+37.6d) Image below (2023-09-19.103) was taken 37.6 days after discovery of 2023pgb Position of reported SN (faint) is indicated by white cross-hairs. Measured Magnitude +17.99 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-09-19 02:36 UT (#1146140-44) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023pgb (in NGC 2326) on Supernova 2023 Page >>

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UGC 3174 - Irregular Galaxy with Type IIb Supernova 2023mut

UGC 3174 with SN 2023mut (Orion) SN 2023mut (Type: IIb) discovered 2023-07-11.180 UT by ASAS-SN Alias: ASASSN-23fh Discovery Magnitude 15.2 (g-Sloan Filter)  ( TNS 2023mut )

UGC 3174 with SN 2023mut - 2023-09-19 (T+70.0d) Image below (2023-09-19.149) was taken 70.0 days after discovery of 2023mut Position of reported SN (distinct) is indicated by white cross-hairs. Measured Magnitude +15.15

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-09-19 03:42 UT (#1146161-65) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023mut (in UGC 3174) on Supernova 2023 Page >>

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UGC 11858 - Spiral Galaxy with Type Ia Supernova 2023rjj

UGC 11858 with SN 2023rjj (Cygnus) SN 2023rjj (Type: Ia) discovered 2023-09-05.340 UT by ALeRCE Alias: ZTF23abaxkwq Discovery Magnitude 18.17 (g-ZTF Filter)  ( TNS 2023rjj )

UGC 11858 with SN 2023rjj - 2023-09-18 (T+13.6d) Image below (2023-09-18.985) was taken 13.6 days after discovery of 2023rjj Position of reported transient (faint but distinct) is indicated by white cross-hairs. Measured Magnitude ? (unable to differentiate SN from nucleus)

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-09-18 23:48 UT (#1146089-93) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023rjj (in UGC 11858) on Supernova 2023 Page >>

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