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Images - Session 1340 (2025-07-10)
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AT 2024eh - CV Type Transient AT 2024wqf - Type AGN Transient (4C 27.50) AT 2024wzq - CV Type Transient AT 2024xpy - Type BL Transient NGC 5957 - Spiral Galaxy with Type Ia Supernova 2025fvw Variable Stars (photometric monitoring) - T CrB, CI Cyg, BL Lac, CY Lyr Nearby Stars (astrometric monitoring) - None
- Short session (2.4 hr). Short summer night. Session affected by problems with CcdCamera, and by cloud/wind. - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature : 12.5°C (min) - CCD Temperature: -10°C - Notes from 2025-07-10 >> -
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AT 2024eh (Cygnus) AT 2024eh (Type: CV) discovered 2024-01-01.323 UT by Gaia using Gaia Spacecraft Telescope Alias: Gaia24abw Alerting Magnitude 16.91 (G-Gaia Filter) vs Historic Magnitude 15.80 +/- 0.19 SD 1.4 mag dimming in erratic Galactic plane source ( TNS 2024eh | Gaia24abw ) |
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AT 2024eh - 2025-07-11 (T+556.7d) Image below (2025-07-11.056) was taken 556.7 days after discovery of 2024eh Position of earlier transient (faint but distinct) is shown by white cross-hairs Measured Magnitude +15.34 (Clear Filter) Star is likely in its normal state (15.4 to 16.1 G-Gaia) |
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Annotated CCD Image (100% size, linear scale, cropped) 4 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-07-11 01:24 UT (#1340062-65) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2024eh on Transients 2024 Page >> |
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AT 2024wqf (Pegasus) |
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AT 2024wqf - 2025-07-11 (T+289.8d) Image below (2025-07-11.035) was taken 289.8 days after discovery of 2024wqf Position of reported transient (brightening) is shown by white cross-hairs Measured Magnitude +15.83 (Clear Filter) |
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Annotated CCD Image (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-07-11 01:00 UT (#1340044-48) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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AT 2024wqf - Earlier Image 2024-10-01 (T+6.8d) Image below (2024-10-01.005) was taken 6.8 days after discovery of 2024wqf Position of reported transient (distinct) is shown by white cross-hairs Measured Magnitude +14.16 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2024-10-01 00:10 UT (#1248133-34) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2024wqf on Transients 2024 Page >> |
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| AT 2024wzq (Serpens) AT 2024wzq (Type: CV) discovered 2024-09-28.573 UT by Gaia Alias: Gaia24csr Discovery Magnitude 13.97 (G-Gaia Filter) vs Historic Magnitude 14.75 +/- 0.26 SD 0.7 mag brightening in Gaia and WISE source [ TNS 2024wzq | Gaia24csr ] |
| AT 2024wzq - 2025-07-10 (T+285.4d) Image below (2025-07-10.980) was taken 285.4 days after discovery of 2024wzq Supposed positon of earlier transient is shown by white cross hairs. There is an unexpained discrepency between AT2024wzq in image below and that in image from session S1317 and S1345 |
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| Annotated CCD Image (100% size, linear scale, cropped) 4 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-07-10 23:34 UT (#1340006-09) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| AT 2024wzq - Earlier Image 2025-04-29 (T+212.5d) Image below (2025-04-29.063) was taken 212.5 days after discovery of 2024wzq Positon of earlier transient (faint) is shown by white cross hairs. Measured Magnitude +14.23 (Clear Filter) |
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| Annotated CCD Image (100% size, linear scale, cropped) 4 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-04-29 01:33 UT (#1317050-54) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2024wzq on Transients 2024 Page >> |
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AT 2024xpy (Hercules) AT 2024xpy (Type: BL) discovered 2024-10-04.838 UT by Gaia Alias: Gaia24cvy Alerting Magnitude 16.17 (G-Gaia Filter) vs Historic Magnitude 17.28 +/- 0.29 Brightening in known BL Lac type object (2FGL J1844.3+1548) Normal Magnitude 17.0 to 18.0 ( TNS 2024xpy | Gaia24cvy | Simbad 2FGL J1844.3+1548 ) |
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AT 2024xpy - 2025-07-11 (T+279.2d) Image below (2025-07-11.009) was taken 279.2 days after discovery of 2024xpy Position of earlier transient (faint, fading) is shown by white cross-hairs Measured Magnitude +17.02 Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-07-11 00:19 UT (#1340028-30) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2024xpy on Transients 2024 Page >> |
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NGC 5957 with SN 2025fvw (Serpens) |
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NGC 5957 with SN 2025fvw - 2025-07-10 (T+106.2d) Image below (2025-07-10.995) was taken 106.2 days after discovery of 2025fvw Position of reported supernova (very faint) is shown by white cross-hairs Measured Magnitude +17.52 (Clear Filter) Poor quality image (bright sky background) |
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Annotated CCD Image (125% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-07-10 23:59 UT (#1340021-23) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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NGC 5957 with SN 2025fvw - Earlier Image, 2025-04-08 (T+12.2d) Image below (2025-04-08.051) was taken 12.2 days after discovery of 2025fvw Position of reported supernova (distinct, brightening, peak) is shown by white cross-hairs Measured Magnitude +13.70 (Clear Filter) |
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Annotated CCD Image (125% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-04-08 01:21 UT (#1312143-47) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| SN 2025fvw - Light Curve |
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| Images of SN 2025fvw (in NGC 5957) on Supernova 2025 Page >> |
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| This Web Page: | Images - Session 1340 (2025-07-10) |
| Last Updated : | 2025-08-03 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
