David's Astronomy Pages Images - Session 1235 (2024-08-29)

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Images (S1236)

Objects	Session Notes
AT 2021aecv - CV Type Transient AT 2023abtv - CV Type Transient     NGC 6384 - Spiral Galaxy with Type Ia-02cx Supernova 2024pxl NGC 7053 - Galaxy with Type II Supernova 2022pux       - AT2024koe attempt failed (due to cloud)     Variable Stars (photometric monitoring) - None     Nearby Stars (astrometric monitoring) - Barnards Star	- Attempted All-Night Session (1.8 hrs) , but delayed by and ended earlier by cloud     - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 11°C (min) - CCD Temperature:   -10°/-15° C - Notes from 2024-08-29 >>     - Aurora Images/Video from night, 2024-08-28 >> North     - Aurora Images/Video from previous night, 2024-08-27 >> North -

Observing Result

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AT 2021aecv - CV Type Transient

AT 2021aecv (Lacerta) AT 2021aecv (Type: CV) discovered 2021-11-09.661 UT by XOSS Alias: PSP21ad Discovery Magnitude 13.99 (Clear Filter)  ( TNS 2021aecv )

AT 2021aecv - 2024-08-29 (T+1024.3d) Image below (2024-08-29.976) was taken 1024.3 days after discovery of 2021aecv Position of transient (very faint) is shown by white cross-hairs Measured Magnitude +18.54 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-08-29 23:28 UT (#1235044-48) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2021aecv on Transients 2021 Page >>

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AT 2023abtv - CV Type Transient

AT 2023abtv (Pegasus) AT 2023abtv (Type: CV) discovered 2023-12-26.986 UT by Gaia Alias: Gaia23duv Discovery magnitude 12.07 (G-Gaia Filter) vs Historic Magnitude 13.38 +/- 0.57 (SD) Gaia and WISE source brightens by 2 mag  ( TNS 2023abtv | Gaia23duv )

AT 2023abtv - 2024-08-29 (T+247.0d) Image below (2024-08-29.951) was taken 247.0 days after discovery of 2023abtv Position of reported transient (distinct) is shown by white cross-hairs Measured Magnitude +12.20 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2024-08-29 22:53 UT (#1235031-35) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of AT 2023abtv on Transients 2023 Page >>

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NGC 6384 - Spiral Galaxy with Type Ia-02cx Supernova 2024pxl

NGC 6384 with SN 2024pxl (Ophiuchus) SN 2024pxl (Type: Ia-02cx) discovered 2024-07-23.274 UT by ATLAS Alias: ATLAS24lpk, ZTF24aawrofs Discovery Magnitude 14.58 (L-GOTO Filter) vs Prior Non-Detection Limiting Magnitude 19.5  ( TNS 2024pxl )

NGC 6384 with SN 2024pxl - 2024-08-29 (T+37.7d) Image below (2024-08-29.930) was taken 37.7 days after discovery of 2024pxl Position of reported SN (faint, fading) is indicated by white cross-hairs. Measured Magnitude +16.71 (Clear Filter)

Annotated CCD Image (100% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-08-29 22:27 UT (#1235005-08) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2024pxl (in NGC 6384) on Supernova 2024 Page >>

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NGC 7053 - Galaxy with Type II Supernova 2022pux

NGC 7053 with SN 2022pux (Pegasus) SN 2022pux (Type: II, z=0.015704) discovered 2022-07-28.385 UT by ZTF Alias: ZTF22aaxgujq Discovery Magnitude +17.935  ( TNS 2022pux )

NGC 7053 with SN 2022pux - 2024-08-29 (T+763.6d) Image below (2024-08-29.965) was taken 763.6 days after discovery of 2022pux Position of earlier SN (faded & no longer visible) shown by white cross-hairs Non-Detection Limiting Magnitude +19.5 (Clear Filter)

Annotated CCD Image (175% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-08-29 23:14 UT (#1235039-41) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

NGC 7053 with SN 2022pux - Earlier Image 2022-09-18 (T+52.5d) Image below (2022-09-18.932) was taken 52.5 days after discovery of 2022pux Position of SN (faint) shown by white cross-hairs Estimated Magnitude +16.9 (Clear Filter)

Annotated CCD Image (175% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2022-09-18 22:32 UT (#1039075-78) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of SN 2022pux (NGC 7053) on Supernova 2022 Page >>

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