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Images - Session 1328 (2025-05-17)
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29P/Schwassmann-Wachmann - Comet AT 2022bqp - CV Type Transient (non-detection) AT 2022zzl - CV Type Transient (non-detection) AT 2024adzg - Transient AT 2025kej - CV Type Transient IC 4408 - Spiral Galaxy with Type Ia Supernova 2025kfm Variable Stars (photometric monitoring) - T CrB, S Cyg, SS Cyg Nearby Stars (astrometric monitoring) - HH And
- All-night session (3.3 hr), affected in part by software issue in AstroMain. - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature : 9°C (min) - CCD Temperature: -15°C - Notes from 2025-05-17 >> -
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| 29P/Schwassmann-Wachmann - 2025-05-17 (passing through Leo) Sun Distance 6.28 AU (receeding slowly) Earth Distance 6.25 AU (935.6 million km) Measured Magnitude +14.31 (Clear Filter) |
29P/Schwassmann-Wachmann - 2025-05-17 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 9.67 arcsec/hr, Dec -3.43 arcsec/hr) Poor quality image |
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| Annotated CCD Image (50% size, square root scale) 4 x 90s exposure (average combine), 3x3 binning, Clear Filter 2025-05-17 23:08 UT (#1328009-12) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (125% size, square root scale, cropped) Image details as left |
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| Images of 29P/Schwassmann-Wachmann on Comets 2023 Page >> | ||
| Images of 29P/Schwassmann-Wachmann on Comets 2024 Page >> | ||
| Images of 29P/Schwassmann-Wachmann on Comets 2025 Page >> |
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AT 2022bqp (Draco) AT 2022bqp (Type: CV) discovered 2022-02-07.149 UT by Gaia Alias: Gaia22amr Discovery Magnitude 16.40 (G-Gaia Filter) Outburst in candidate CV ATLAS16cvn ( TNS 2022bqp | Gaia22amr ) |
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AT 2022bqp - 2025-05-18 (T+1195.9d) Image below (2025-05-18.022) was taken 1195.9 days after discovery of 2022bqp Position of earlier transient (not visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +17.8 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-05-18 00:34 UT (#1328049-53) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2022bqp on Transients 2022 Page >> |
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AT 2022zzl (Vulpecula) AT 2022zzl (Type: CV) discovered 2022-11-11.615 UT by MASTER Alias: MASTER OT J194227.91+240037.6 Discovery Magnitude 16.70 (Clear Filter) Prior Non-Detection Limiting Magnitude 19.0 ( TNS 2022zzl | Gaia22amr ) |
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AT 2022zzl - 2025-05-18 (T+918.4d) Image below (2025-05-18.051) was taken 918.4 days after discovery of 2022zzl Position of earlier transient (not visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +17.8 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped) 2 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-05-18 01:15 UT (#1328076-77) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2022zzl on Transients 2022 Page >> |
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AT 2024adzg (Vulpecula) AT 2024adzg (Type: unk) discovered 2024-12-13.567 UT by XOSS Alias: KATS24X019 Discovery Magnitude 14.46 (Clear Filter) Microlensing Event candidate classified by XOSS ( TNS 2024adzg | Gaia22amr ) |
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AT 2024adzg - 2025-05-18 (T+155.5d) Image below (2025-05-18.028) was taken 155.5 days after discovery of 2024adzg Position of earlier transient (faint) is shown by white cross-hairs Estimated Magnitude +15.5 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-05-18 00:49 UT (#1328056-60) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2024adzg on Transients 2024 Page >> |
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AT 2025kej (Lyra) |
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AT 2025kej - 2025-05-18 (T+10.2d) Image below (2025-05-18.011) was taken 10.2 days after discovery of 2025kej Position of reported transient (faint) is shown by white cross-hairs Measured Magnitude +16.11 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped) 5 x 90s exposure (average combine), 3x3 binning, Clear Filter 2025-05-18 00:21 UT (#1328042-46) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2025kej on Transients 2025 Page >> |
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IC 4408 with SN 2025kfm (Bootes) |
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IC 4408 with SN 2025kfm - 2025-05-17 (T+8.6d) Image below (2025-05-17.969) was taken 8.6 days after discovery of 2025kfm Position of reported supernova (faint) is shown by white cross-hairs Estimated Magnitude +16.0 (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 2025-05-17 23:24 UT (#1328015-19) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2025kfm (in IC 4408) on Supernova 2025 Page >> |
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| This Web Page: | Images - Session 1328 (2025-05-17) |
| Last Updated : | 2025-05-26 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
