David's Astronomy Pages Images - Session 1250 (2024-10-02)

Images (S1249)

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Images (S1251)

Objects

Session Notes

C/2021 O3 (PANSTARRS) - Comet (attempt) C/2021 S3 (PANSTARRS) - Comet     T CrB - Variable Star     AT 2022bvd - CV Type Transient AT 2022dbd - CV Type Transient AT 2022req - Type YSO Transient (Attempt) AT 2022vdr - CV Type Transient AT 2022abjt - Transient     AT 2023ba - CV Type Transient AT 2023in - Type YSO? Transient AT 2023cuj - Type ulens? Transient AT 2023rrr - Type QSO Transient (QSO J0136+4751) AT 2023aanv - CV Type Transient     AT 2024qe - CV Type Transient AT 2024vk - Type YSO? Transient AT 2024exg - CV Type Transient (non-detection) AT 2024ger - Type YSO Transient AT 2024uxx - Type CV? Transient  (non-detection) AT 2024woi - Type MP? Transient  (non-detection) AT 2024wqf - Type AGN Transient (4C 27.50) AT 2024wxp - CV Type Transient     Dobashi 2055 - Dark Nebula IC 564 - Spiral Galaxy with Type Ia Supernova 2023abqf LEDA 899041 - Galaxy with Type II Supernova 2023pbf  (non-detection) M31 - Spiral Galaxy with Extragalactic Nova AT 2023uiq  (non-detection) MCG -1-56-5 - Spiral Galaxy with Type Ia Supernova 2022acxe  (non-detection)     WISEA J193608.91+454141.5 - Spiral Galaxy     Variable Stars (photometric monitoring) - U And, Z And, YZ Cnc, T CrB SS Cyg, BL Lac, FO Ori     Nearby Stars (astrometric monitoring) - None

- All Night Session (8.8 hr),  light cloud (not heavy enough to suspend the  session) passed cross sky between 00:30 & 01:45 and affected some images during this time.     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 4°C (min) - CCD Temperature:   -20°/ -25°C - Notes from 2024-10-02 >>     -

Observing Result

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C/2021 O3 (PANSTARRS) - Comet (Attempt)

C/2021 O3 (PANSTARRS) - 2024-10-02 (passing through Lyra) Sun Distance 9.95 AU (receeding) Earth Distance 9.82 AU (1,469.5 million km) Expected position of comet (not visible) is shown by white circle		C/2021 O3 (PANSTARRS) - 2024-10-02, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 2.24 arcsec/hr, Dec -12.53 arcsec/hr) Expected position of comet (not visible) is shown by white circle
Annotated CCD Image (50% size, square root scale) 6 x 90s exposure (average combine), 3x3 binning, Clear Filter 2024-10-02 21:29 UT (#1250035-41) 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) Image details as left
Images of C/2021 O3 (PANSTARRS) on Comets 2024 Page >>

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C/2021 S3 (PANSTARRS) - Comet

C/2021 S3 (PANSTARRS) - 2024-10-02 (passing through Cygnus) Sun Distance 3.32 AU (receeding) Earth Distance 2.95 AU (440.9 million km)		C/2021 S3 (PANSTARRS) - 2024-10-02 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 30.68 arcsec/hr, Dec -39.76 arcsec/hr)
Annotated CCD Image (50% size, square root scale) 6 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-10-02 20:38 UT (#1250013-18) 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/2021 S3 (PANSTARRS) on Comets 2024 Page >>

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T CrB - Variable Star

T CrB (Corona Borealis) Alias: GCVS T CrB, HIP 78322, SAO 84129, HD 143454 Max Magnitude  2.0 Min Magnitude 10.8 Spectral: M3III+pec(NOVA) ( VSX T CrB )

T CrB (V Band) - 2024-10-02 (S1250)		T CrB - Photometry - 2024-10-02
		2024-10-02 20:27 UT Altitude: 28.6°, Airmass: 2.088 T CrB  : 10.12 (V Mag), 11.25 (B Mag),  1.13 (B-V)
Annotated CCD Image (50% size, linear scale) 3 x 20s exposure (average combine), 3x3 binning, V Filter 2024-10-02 20:27 UT (#1250006-10) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2		CCD Image (not shown) 3 x 30s exposure (average combine), 3x3 binning, B Filter 2024-10-02 20:26 UT (#1250005-09)
More Images & Data for T CrB >>

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AT 2022bvd - CV Type Transient

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AT 2022dbd - CV Type Transient

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AT 2022req - Type YSO Transient (Attempt)

AT 2022req (Cygnus) AT 2022req (Type: YSO) discovered 2022-08-11.575 UT by Gaia Alias: Gaia22diw Alerting Mag +16.75 (vs historic magnitude 18.06) >2mag brightening in known EXOR variable MGAB-V336  ( TNS 2022req | Gaia22diw )

AT 2022req - 2024-10-03 (T+783.5d) Image below (2024-10-03.119) was taken 783.5 days after discovery of 2022req Position of earlier transient (faded / not visible) is shown by white circle

Annotated CCD Image (100% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-10-03 03:00 UT (#1250199-203) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

AT 2022req - Detail (T+783.5d) Position of earlier transient (faded / not visible) is shown by white cross-hairs

Annotated CCD Image (175% size, linear scale, cropped) Images details as above

Images of AT 2022req on Transients 2022 Page >>

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AT 2022vdr - CV Type Transient

AT 2022vdr (Orion) AT 2022vdr (Type: CV) discovered 2022-09-20.378 UT by MASTER Alias: MASTER OT J052749.27+064639.1 Discovery Mag 14.8 (Clear Filter)  ( TNS 2022vdr )

AT 2022vdr - 2024-10-03 (T+743.8d) Image below (2024-10-03.182) was taken 743.8 days after discovery of 2022vdr Position of reported transient (distinct) is shown by white cross-hairs Measured magnitude +13.37

Annotated CCD Image (100% size, linear scale, cropped) 4 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-10-03 04:25 UT (#1250228-31) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2022vdr on Transients 2022 Page >>

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AT 2022abjt - Transient

AT 2022abjt (Andromeda) AT 2022abjt (Type: unk) discovered 2022-11-21.181 UT by ZTF Alias: ZTF22abvnzrz Discovery Mag +15.9 (g-ZTF filter)  ( TNS 2022abjt )

AT 2022abjt - 2024-10-03 (T+681.9d) Image below (2024-10-03.071) was taken 681.9 days after discovery of 2022abjt Position of transient (not visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +19.5 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-10-03 01:51 UT (#1250162-66) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

AT 2022abjt - Earlier Image 2022-11-29 (T+8.6d) Image below (2022-11-29.779) was taken 8.6 days after discovery of 2022abjt Position of transient is shown by white cross-hairs Measured magnitude +16.23

Annotated CCD Image (100% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2022-11-29 18:50 UT (#1065030-34) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2022abjt on Transients 2022 Page >>

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AT 2023ba - CV Type Transient

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AT 2023in - Type YSO? Transient

AT 2023in (Cygnus) AT 2023in (Type: YSO?) discovered 2023-01-11.955 UT by Gaia Alias: Gaia23afz Discovery magnitude 16.27 (G-Gaia filter) vs Historic Mag 16.82 +/- 0.10 SD Candidate YSO in 0.6 mag outburst  ( TNS 2023in | Gaia23cse )

AT 2023in - 2024-10-02 (T+629.9d) Image below (2024-10-02.867) was taken 629.9 days after discovery of 2023in Position of earlier reported transient (faint) is shown by white cross-hairs Measured magntitude +16.72 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-10-02 20:57 UT (#1250022-26) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023in on Transients 2023 Page >>

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AT 2023cuj - Type ulens? Transient

AT 2023cuj (Aquila) AT 2023cuj (Type: ulens?) discovered 2023-03-06.713 UT by Gaia Alias: Gaia23bad Discovery magnitude 14.83 (G-Gaia filter) vs Historic Mag 15.11 +/- 0.07 SD bright red gal.plane source candidate microlensing event or Be-type outburst rises by 0.3 mag  ( TNS 2023cuj | Gaia23bad )

AT 2023cuj - 2024-10-02 (T+576.2d) Image below (2024-10-02.903) was taken 576.2 days after discovery of 2023cuj Position of earlier reported transient (faint but distinct) is shown by white cross-hairs Measured magntitude +14.98 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-10-02 21:49 UT (#1250044-48) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023cuj on Transients 2023 Page >>

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AT 2023rrr - Type QSO Transient (QSO J0136+4751)

AT 2023rrr (Andromeda) AT 2023rrr (Type: QSO) discovered 2023-09-02.139 UT by Gaia Alias: Gaia23cfc Discovery Magnitude 16.04 (G-Gaia Filter) vs Historic Mag 18.43 +/- 0.778 SD Brightening in known QSO  (QSO J0136+4751) Gaia, 2022-02-24 22:20, mag 18.78 Gaia, 2023-08-08 21:24, mag 17.19 Gaia, 2023-09-02 03:20, mag 16.04 Gaia, 2023-12-08 08:00, mag 17.15 Gaia, 2023-12-16 06:19, mag 17.80  ( TNS 2023rrr | Gaia23cfc )

AT 2023rrr - 2024-10-03 (T+397.0d) Image below (2024-10-03.151) was taken 397.0 days after discovery of 2023rrr Position of reported transient (very faint, fading) is shown by white cross-hairs Measured Magnitude +18.18 (Clear Filter)

Annotated CCD Image (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-10-03 03:45 UT (#1250214-17) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

AT 2023rrr - Earlier Image 2023-11-15 (T+74.8d) Image below (2023-11-15.976) was taken 74.8 days after discovery of 2023rrr Position of reported transient (faint but relatively distinct) is shown by white cross-hairs Measured Magnitude +17.26 (Clear Filter)

Annotated CCD Image (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-11-15 23:33 UT (#1167209-13) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023rrr on Transients 2023 Page >>

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AT 2023aanv - CV Type Transient

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AT 2024qe - CV Type Transient

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AT 2024vk - Type YSO? Transient

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AT 2024exg - CV Type Transient (non-detection)

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AT 2024ger - Type YSO Transient

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AT 2024uxx - Type CV? Transient

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AT 2024woi - Type MP? Transient (non-detection)

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AT 2024wqf - Type AGN Transient (4C 27.50)

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AT 2024wxp - CV Type Transient

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Dobashi 2055 - Dark Nebula

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IC 564 - Spiral Galaxy with Type Ia Supernova 2023abqf

IC 564 with SN 2023abqf (Sextans) SN 2023abqf (Type: Ia) discovered 2023-12-26.492 UT by ATLAS Alias: ATLAS23xws, Gaia24adb Discovery Magnitude 18.23  (orange-ATLAS Filter) Confirmed SN Ia Gaia, 2023-12-24 20:22 , 19.42 (pre-discovery) Gaia, 2024-01-04 08:30,  16.01                              ( TNS 2024gy  | Gaia24adb )

IC 564 with SN 2023abqf - 2024-10-03 (T+281.7d) Image below (2024-10-03.195) was taken 281.7 days after discovery of 2023abqf Position of reported SN (not visible) is indicated by white cross-hairs. Poor quality image (cloud/uneven sky background, low S/N ) Altitude: 16.0°, Airmass: 3.62

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-10-03 04:50 UT (#1250238-42) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023abqf (in IC 564) on Supernova 2023 Page >>

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LEDA 899041 - Galaxy with Type II Supernova 2023pbf (non-detection)

LEDA 899041 with SN 2023pbf (Eridanus) SN 2023pbf (Type: II) discovered 2023-08-12.027 UT by ATLAS Alias: ATLAS23qsf, ZTF23abaebbd Discovery Magnitude 16.55  (orange-ATLAS Filter) vs Prior Non-Detection Limiting Magnitude 18.71  ( TNS 2023pbf )

LEDA 899041 with SN 2023pbf - 2024-10-03 (T+418.1d) Image below (2024-10-03.165) was taken 418.1 days after discovery of 2023pbf Position of reported SN (not visible) is indicated by white cross-hairs. Non-Detection Limiting Magnitude +18.6 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-10-03 04:07 UT (#1250220-24) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2023pbf (in LEDA 899041) on Supernova 2023 Page >>

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M31 - Spiral Galaxy with Extragalactic Nova AT 2023uiq   (non-detection)

M31 with Nova M31 AT 2023uiq (Andromeda) AT 2023uiq (Type: EGN) discovered 2023-10-07.766 UT by MASTER Alias: XM115MZ, MASTER OT J004148.67+413121.6, PNV J00414869+4131212, ZTF23abiwrwo, ATLAS23twx Discovery Magnitude 16.55  (orange-ATLAS Filter)  ( TNS 2023pbf )

Nova M31 AT 2023uiq - 2024-10-03 (T+361.3d) Image below (2024-10-03.027) was taken 361.3 days after discovery of 2023uiq Position of reported SN (not visible) is indicated by white cross-hairs. Non-Detection Limiting Magnitude +18.5 (Clear Filter)

Annotated CCD Image (125% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-10-03 00:42 UT (#1250130-31) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023uiq (in M31) on Transients 2023 Page >>

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MCG -1-56-5 - Spiral Galaxy with Type Ia Supernova 2022acxe (non-detection)

MCG -1-56-5 with SN 2022acxe (Aquarius) SN 2022acxe (Type: Ia) discovered 2022-12-15.214 UT by ATLAS Alias: ATLAS22bnrh, ZTF22abywkap, MASTER OT J221848.22-032921.2 Discovery Magnitude 18.19  (cyan-ATLAS Filter) vs Prior Non-Detection Limiting Magnitude 18.31  ( TNS 2022acxe )

MCG -1-56-5 - Spiral Galaxy MCG -1-56-5 (alias PGC 68549 catalog mag +14.2) with faint adjacent galaxies PGC 191900 (catalog mag +16.1),  PGC 1070345 (catalog mag +16.4), PGC 191908 (catalog mag +16.7),  PGC 1070754 (catalog mag +16.8)

Annotated CCD Image (50% size, square root scale) 180s exposure (single frame), 3x3 binning, Clear Filter 2024-10-03 00:19 UT (#1250125) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

MCG -1-56-5 with SN 2022acxe - 2024-10-03 (T+657.8d) Image below (2024-10-03.013) was taken 657.8 days after discovery of 2022acxe Position of 2022 SN (not visible / very probably faded) is indicated by white cross-hairs. Non-Detection Limiting Magnitude +17.8 (Clear Filter) Poor quality image (cloud/ single frame)

Annotated CCD Image (125% size, square root scale, cropped) 180s exposure (single frame), 3x3 binning, Clear Filter 2024-10-03 00:19 UT (#1250125) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2022acxe (in MCG -1-56-5) on Supernova 2022 Page >>

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WISEA J193608.91+454141.5 - Spiral Galaxy

WISEA J193608.91+454141.5 (Cygnus)

Annotated CCD Image (100% size, square root scale, cropped) 6 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-10-02 20:38 UT (#1250013-18) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

WISEA J193608.91+454141.5 - Detail

Annotated CCD Image (175% size, square root scale, cropped) Image details as above

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