David's Astronomy Pages Images - Session 1258 (2024-10-21)

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Session Notes

AT 2023cgz - Transient  (non-detection) AT 2023wbv - CV Type Transient AT 2024wqf - Type AGN Transient (4C 27.50) AT 2024wxp - CV Type Transient AT 2024xvy - Type Nova Transient   (non-detection)     LEDA 2266307 - Galaxy with Type Ia Supernova 2024xjk  (non-detection)     NGC 410 - Galaxy Grouping (NGC 407, 410, 414) NGC 2830 - Spiral Galaxy with Transient AT 2024vsu NGC 4192A - Spiral Galaxy with Type II Supernova 2024exw     SN 2024ugc - Type Ia Supernova     UGC 2148 - Spiral Galaxy with Type MP Transient AT 2024yeu  (non-detection) UGC 4957 - Spiral Galaxy with Transient AT 2024vrq  (non-detection) UGC 12005 - Galaxy with Type II Supernova 2022ovb  (non-detection)     Variable Stars (photometric monitoring) - BL Lac, GK Per     Nearby Stars (astrometric monitoring) - None

- Post-Mid Night Session (4.9 hrs). Session started after skies had cleared of early cloud.     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 8.5 °C (min) - CCD Temperature:  -15°C - Notes from 2024-10-21 >>     -

Observing Result

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AT 2023cgz - Transient

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AT 2023wbv - CV Type Transient

AT 2023wbv (Perseus) AT 2023wbv (Type: CV) discovered 2023-10-30.032 UT by MASTER Alias: MASTER OT J041624.14+392546.7 Discovery magnitude 11.9 (Clear Filter)  ( TNS 2023wbv )

AT 2023wbv - 2024-10-22 (T+358.1d) Image below (2024-10-22.174) was taken 358.1 days after discovery of 2023wbv Position of earlier transient (distinct) is shown by white cross-hairs Measured magntitude +11.90 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-10-22 04:13 UT (#1258094-98) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023wbv on Transients 2023 Page >>

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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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AT 2024xvy - Type Nova Transient (non-detection)

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LEDA 2266307 - Galaxy with Type Ia Supernova 2024xjk

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NGC 410 - Galaxy Grouping (NGC 407, 410, 414)

NGC 410 Galaxy Grouping (Pisces) NGC 410 Galaxy Grouping (NGC 407, 410, 414) Ast.Now Deep Sky Challenge, Nov 2024  [ Deep Sky Challanges (Ast.Now) ]

NGC 410 - Elliptical Galaxy with NGC 407 & NGC 414 - Spiral Galaxies Other Galaxies in FOV are  PGC 4234 (catalog mag +15.5),  NGC 408 (PGC 4221, catalog mag +16.6) PGC 2026183 (catalog mag +17.7), PGC 2026906 (catalog mag +17.8)

Annotated CCD Image (70% size, square root scale) 3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-10-22 00:27 UT (#1258013-17) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Negative CCD Image (70% size, square root scale) Image details as above

NGC 407 - Spiral Galaxy

Annotated CCD Image (150% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-10-22 00:27 UT (#1258013-17) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 410 - Elliptical Galaxy

Annotated CCD Image (150% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-10-22 00:27 UT (#1258013-17) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 414 - Spiral Galaxy

Annotated CCD Image (150% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-10-22 00:27 UT (#1258013-17) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

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NGC 2830 - Spiral Galaxy with Transient AT 2024vsu

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NGC 4192A - Spiral Galaxy with Type II Supernova 2024exw

NGC 4192A with AT 2024exw (Coma Berenices) AT 2024exw (Type: II, z=0.007) discovered 2024-03-24.674 UT by Koichi Itagaki Alias: ATLAS24ekc Discovery Magnitude 15.9 (Clear Filter) vs Prior Non-Detection in DSS Image  ( TNS 2024exw )

NGC 4192A with SN 2024exw - 2024-10-22 (T+211.5d) Image below (2024-10-22.183) was taken 211.5 days after discovery of 2024exw Position of reported supernova (no longer visible) is shown by white cross-hairs Poor quality image (poor sky transparency, bright uneven background) Altitude: 13.9°, Airmass: 4.13

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-10-22 04:33 UT (#1258103-07) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 4192A with SN 2024exw - Earlier Image,  2024-04-09 (T+16.3d) Image below (2024-04-09.976) was taken 16.3 days after discovery of 2024exw Position of reported supernova (distinct) is shown by white cross-hairs Measured Magnitude +15.19 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-04-09 23:34 UT (#1205006-10) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2024exw (in NGC 4192A) on Supernova 2024 Page >>

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SN 2024ugc - Type Ia Supernova

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UGC 2148 - Spiral Galaxy with Type MP Transient AT 2024yeu (non-detection)

UGC 2148 with AT 2024yeu (Aries) AT 2024yeu (Type: MP) discovered 2024-10-14.660 UT by tokuoka Discovery Magnitude 15.4 (Clear Filter) vs Prior Non-Detection Limiting Magnitude 18.0  ( TNS 2024yeu )

UGC 2148 - Spiral Galaxy UGC 2148 (alias  PGC 10072, catalog mag +15.5) with adjacent galaxies PGC 10056 (catalog mag +16.7) &  PGC 1413321 (catalog mag +17.3)

Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-10-22 03:26 UT (#1258074-78) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 2148 with AT 2024yeu - 2024-10-22 (T+7.5d) Image below (2024-10-22.137) was taken 7.5 days after discovery of 2024yeu Position of reported transient (not visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +19.2 (Clear Filter)

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-10-22 03:26 UT (#1258074-78) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2024yeu (in UGC 2148) on Transients 2024 Page >>

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UGC 4957 - Spiral Galaxy with Transient AT 2024vrq

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UGC 12005 - Galaxy with Type II Supernova 2022ovb (non-detection)

UGC 12005 with SN 2022ovb (Lacerta) SN 2022ovb (Type: II) discovered 2022-07-14.409 UT by ZTF Alias: ZTF22aativsd, Gaia22ddj Discovery Mag +18.46 (r-ZTF Filter)  ( TNS 2022ovb | Gaia22ddj )

UGC 12005 with SN 2022ovb - 2024-10-22 (T+830.6d) Image below (2024-10-22.053) was taken 830.6 days after discovery of 2022ovb Position of earlier supernova (no longer visible) 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 2024-10-22 01:25 UT (#1258032-36) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

UGC 12005 with SN 2022ovb - Earlier Image, 2022-09-18 (T+66.4d) Image below (2022-09-18.856) was taken 66.4 days after discovery of 2022ovb Position of SN  2022ovb (faint) is shown by white cross-hairs Measured magnitude +16.82

Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2022-09-18 20:41 UT (#1039014-18) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2022ovb (UGC 12005) on Supernova 2022 Page >>

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