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Images - Session 1317 (2025-04-28)
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AT 2024wys - CV Type Transient AT 2024wzq - CV Type Transient AT 2025lc - CV Type Transient AT 2025md - CV Type Transient, V1948 Cyg LEDA 2155454 - Galaxy with Type Ia Supernova 2025erh NGC 3521 - Spiral Galaxy with Type Ic Supernova 2024aecx (non-detection) NGC 5957 - Spiral Galaxy with Type Ia Supernova 2025fvw Realtime Pictures from Current/Latest Session >> Variable Stars (photometric monitoring) -T CrB, BL Lac Nearby Stars (astrometric monitoring) - None
- post midnight Session (3.2 hr) - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 7°C (min) - CCD Temperature: -15°C - Notes from 2025-04-28 >> -
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| AT 2024wys (Sagittarius) AT 2024wys (Type: CV) discovered 2024-09-26.821 UT by Gaia Alias: Gaia24csp Alerting magnitude 16.26 (G-Gaia Filter) vs Historic Magnitude 14.70 +/- 0.23 SD 1.6 mag dimming in erratic red source ( TNS 2024wys | Gaia24csp ) |
| AT 2024wys - 2025-04-29 (T+214.3d) Image below (2025-04-29.094) was taken 214.3 days after discovery of 2024wys Position of earlier transient (faint, fading) is shown by white cross-hairs Measured Magnitude +15.73 (Clear Filter) Star appears might be fading below its normal range (mag 14.3 - 15.4 G-Gaia Filter, Gaia) |
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| Annotated CCD Image (100% size, linear scale, cropped) 3 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-04-29 02:18 UT (#1317076-78) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2024wys 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 - 2025-04-29 (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 2025lc (Cygnus) AT 2025lc (Type: CV) discovered 2025-01-10.553 UT by Gaia Alias: Gaia25add Alerting Magnitude 14.48 (G-Gaia Filter) vs Historic Magnitude 15.89 +/- 0.61 SD Outburst in candidate CV ( TNS 2025lc | Gaia25add ) |
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AT 2025lc - 2025-04-29 (T+108.5d) Image below (2025-04-29.071) was taken 108.5 days after discovery of 2025lc Position of earlier transient (faint, brightening again) is shown by white cross-hairs Estimated Magnitude +14.4 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-04-29 01:46 UT (#1317057-61) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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AT 2025lc - Earlier Image, 2025-03-15 (T+63.5d) Image below (2025-03-15.080) was taken 63.5 days after discovery of 2025lc Position of earlier transient (faint) is shown by white cross-hairs Measured Magnitude +13.69 (Clear Filter) Appears to be either still be in outburst (from Jan 10th) or has started a new outburst. |
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Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-03-15 01:58 UT (#1301164-68) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2025lc on Transients 2025 Page >> |
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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 - 2025-04-29 (T+106.2d) Image below (2025-04-29.080) was taken 106.2 days after discovery of 2025md Position of earlier transient (faint but distinct, brightening?) is shown by white cross-hairs Measured Magnitude +14.23 (Clear Filter) |
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Annotated CCD Image (150% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-04-29 01:59 UT (#1317064-68) 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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LEDA 2155454 with SN 2025erh (Lynx) |
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LEDA 2155454 with SN 2025erh - 2025-04-29 (T+42.8d) Image below (2025-04-29.009) was taken 42.8 days after discovery of 2025erh Position of reported supernova (faint, fading) is shown by white cross-hairs Measured Magnitude +17.4 (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 2025-04-29 00:21 UT (#1317021-25) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2025erh (in LEDA 2155454) on Supernova 2025 Page >> |
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NGC 3521 (Leo) |
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Annotated CCD Image (100% size, log scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-04-28 23:58 UT (#1317014-18) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| NGC 3521 - Earlier Image (2024-04-23) Hidden Treasures 56 [ Hidden Treasures ] |
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Annotated CCD Image (100% size, log scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-04-23 01:10 UT (#1316055-58) 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 (Serpens) |
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NGC 5957 with SN 2025fvw - 2025-04-28 (T+33.2d) Image below (2025-04-28.981) was taken 33.2 days after discovery of 2025fvw Position of reported supernova (still distinct, but fading) is shown by white cross-hairs Measured Magnitude +14.62 (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 2025-04-28 23:38 UT (#1317007-10) 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 - 2025-04-29 (T+33.2d) Image below (2025-04-29.025) was taken 33.2 days after discovery of 2025fvw Position of reported supernova (distinct, but now fading) is shown by white cross-hairs Measured Magnitude +14.53 (Clear Filter) |
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Annotated CCD Image (125% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-04-29 00:42 UT (#1317028-31) 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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| UGC 10058 with SN 2025gvs (Corona Borealis) SN 2025gvs (Type: II) discovered 2025-04-05.502 UT by ATLAS Alias: ATLAS25dpm Discovery magnitude 17.59 (cyan-ATLAS Filter) vs Prior Non-Detection Limiting Magnitude 17.7 ( TNS 2025gvs) |
| UGC 10058 with SN 2025gvs - 2025-04-29 (T+23.5d) Image below (2025-04-29.042) was taken 23.5 days after discovery of 2025gvs Position of reported supernova (distinct, brighter) is shown by white cross-hairs Measured Magnitude +15.51 (Clear Filter) |
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| Annotated CCD Image (175% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-04-29 01:06 UT (#1317036-38) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2025gvs (in UGC 10058) on Supernova 2025 Page >> |
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| This Web Page: | Images - Session 1317 (2025-04-28) |
| Last Updated : | 2025-04-30 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
