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CCD Images - Session 1211 (2024-04-25)
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NGC 4192A - Spiral Galaxy with Type II Supernova 2024exw NGC 5235 - Spiral Galaxy with Transient AT 2024grb - MCG -1-33-30 w/SN2024byg attempt failed (due to cloud) Variable Stars (photometric monitoring) - None Nearby Stars (astrometric monitoring) - None
- Short evening Session (1.2 hrs), before skies became cloud covered - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 1°C (min) - CCD Temperature: -20°/-25°C - Notes from 2024-04-25 >> -
| 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 - 2024-04-25 (T+32.3d) Image below (2024-04-25.947) was taken 32.3 days after discovery of 2024exw Position of reported supernova (distinct, fading) is shown by white cross-hairs Measured Magnitude +15.35 (Clear Filter) |
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| Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-04-25 22:53 UT (#1211007-11) 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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NGC 5235 with AT 2024grb (Virgo) AT 2024grb (Type: unk) discovered 2024-04-16.418 UT by ATLAS Alias: ATLAS24fuq Discovery Magnitude 18.33 (orange-ATLAS Filter) vs Prior Non-Detection Limiting Magnitude 20.08 ( TNS 2024grb ) |
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NGC 5235 with AT 2024grb - 2024-04-25 (T+9.5d) Image below (2024-04-25.963) was taken 9.5 days after discovery of 2024grb Position of reported transient (faint) is shown by white cross-hairs Estimated Magnitude +17.0 (Clear Filter) |
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Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-04-25 23:14 UT (#1211014-18) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2024grb (in NGC 5235) on Transients 2024 Page >> |
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| This Web Page: | CCD Images - Session 1211 (2024-04-25) |
| Last Updated : | 2024-04-27 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
