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Images - Session 1333 (2025-06-11)
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AT 2025md - CV Type Transient, V1948 Cyg AT 2025kej - CV Type Transient NGC 5957 - Spiral Galaxy with Type Ia Supernova 2025fvw Variable Stars (photometric monitoring) - T CrB, AM Her, CY Lyr Nearby Stars (astrometric monitoring) - None
- Post midnight session (1.6 hr). Short summer night - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature : 12°C (min) - CCD Temperature: -10°C - Notes from 2025-06-11 >> -
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AT 2025md (Cygnus) AT 2025md (Type: CV) discovered 2025-01-12.882 UT by Gaia Alias: Gaia25adm, V1948 Cyg Alerting Magnitude 13.47 (G-Gaia Filter) vs Historic Magnitude 14.94 +/- 0.65 SD Outburst in known CV named V1948 Cyg ( TNS 2025md | Gaia25adm ) |
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AT 2025md - 2025-06-12 (T+150.1d) Image below (2025-06-12.022) was taken 150.1 days after discovery of 2025md Position of earlier transient (faint, brightening slightly ?) is shown by white cross-hairs Measured Magnitude +15.34 (Clear Filter) |
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Annotated CCD Image (150% size, linear scale, cropped) 4 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-06-12 00:35 UT (#1333033-37) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2025md / V1948 Cyg on Transients 2025 Page >> |
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AT 2025kej (Lyra) |
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AT 2025kej - 2025-06-12 (T+35.2d) Image below (2025-06-12.006) was taken 35.2 days after discovery of 2025kej Position of reported transient (very faint) is shown by white cross-hairs Estimated Magnitude +17.0 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped) 5 x 90s exposure (average combine), 3x3 binning, Clear Filter 2025-06-12 00:12 UT (#1333020-24) 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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NGC 5957 with SN 2025fvw (Serpens) |
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NGC 5957 with SN 2025fvw - 2025-06-11 (T+77.2d) Image below (2025-06-11.985) was taken 77.2 days after discovery of 2025fvw Position of reported supernova (fading, faint) is shown by white cross-hairs Estimated Magnitude +15.5 - 16.5 (Clear Filter) Poor quality image (bright sky background, single |
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Annotated CCD Image (125% size, square root scale, cropped) 180s exposure (single frame), 3x3 binning, Clear Filter 2025-06-11 23:39 UT (#1333006) 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 1333 (2025-06-11) |
| Last Updated : | 2025-06-14 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
