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Images - Session 1344 (2025-07-29)
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AT 2024xpy - Type BL Transient AT 2025lc - CV Type Transient AT 2025md - CV Type Transient, V1948 Cyg AT 2025kej - CV Type Transient (non-detection) IC 1496 - Spiral Galaxy with Type IIn Supernova 2025X NGC 5957 - Spiral Galaxy with Type Ia Supernova 2025fvw UGC 12793 - Spiral Galaxy with Type Ia Supernova 2025kjx (non-detection) Variable Stars (photometric monitoring) - T CrB, BL Lac, SY Lyr - SS Cyg attempt failed (due to cloud / detriorating conditions) Nearby Stars (astrometric monitoring) - None
- Short session (4.4 hr).
Session start delayed by rain & cloud.- 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature : 7.5°C (min) - CCD Temperature: -10°/-15°C - Notes from 2025-07-29 >> -
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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 - 2025-07-30 (T+298.2d) Image below (2025-07-30.010) was taken 298.2 days after discovery of 2024xpy Position of earlier transient (faint) is shown by white cross-hairs Measured Magnitude +16.97 Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-07-30 00:21 UT (#1344033-36) 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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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 - 2025-07-30 (T+200.5d) Image below (2025-07-30.035) was taken 200.5 days after discovery of 2025lc Position of earlier transient (very faint, brightening slightly ?) is shown by white cross-hairs Estimated Magnitude +15.6 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-07-30 00:53 UT (#1344047-51) 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 - 2025-07-30 (T+198.1d) Image below (2025-07-30.028) was taken 198.1 days after discovery of 2025md Position of earlier transient (distinct, fading) is shown by white cross-hairs Measured Magnitude +15.13 (Clear Filter) |
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Annotated CCD Image (150% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-07-30 00:44 UT (#1344040-44) 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 - 2025-07-30 (T+83.3d) Image below (2025-07-30.081) was taken 83.3 days after discovery of 2025kej Position of reported transient (not visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +17.3 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped) 5 x 90s exposure (average combine), 3x3 binning, Clear Filter 2025-07-30 02:01 UT (#1344073-77) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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AT 2025kej - Earlier Image 2025-05-15 (T+7.3d) Image below (2025-05-15.054) was taken 7.3 days after discovery of 2025kej Position of reported transient (faint, fading) is shown by white cross-hairs Measured Magnitude +15.63 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped) 5 x 90s exposure (average combine), 3x3 binning, Clear Filter 2025-05-15 01:23 UT (#1325117-21) 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 1496 with SN 2025X (Pisces) SN 2025X (Type: IIn) discovered 2024-12-31.008 UT by Koichi Itagaki Alias: PSN J23305120-0256341, Gaia25aaf Alerting Magnitude 18.49 (G Gaia Filter Candidate SN near galaxy IC 1496 ( TNS 2025X (not found in TNS) | Gaia25aaf ) |
| IC 1496 with SN 2025X - 2025-07-30 (T+211.0d) Image below (2025-07-30.049) was taken 211.0 days after discovery of 2025X Position of reported supernova (faded & no longer visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +18.5 (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 2025-07-30 01:19 UT (#1344059-63) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2025X (in IC 1496) on Supernova 2025 Page >> |
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NGC 5957 with SN 2025fvw (Serpens) |
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NGC 5957 with SN 2025fvw - 2025-07-29 (T+125.2d) Image below (2025-07-29.988) was taken 125.2 days after discovery of 2025fvw Position of reported supernova (very faint) is shown by white cross-hairs Measured Magnitude +19.08 (Clear Filter) |
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Annotated CCD Image (125% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-07-29 23:52 UT (#1344021-25) 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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| UGC 12793 with AT 2025kjx (Pegasus) AT 2025kjx (Type: Ia) discovered 2025-05-13.593 UT by ATLAS using ATLAS Haleakala Telescope Alias: ATLAS25eyh Discovery Magnitude 18.00 (orange-ATLAS Filter vs Prior Non-Detection Limiting Magnitude 19.22 Candidate SN near galaxy IC 1496 ( TNS 2025kjx ) |
| UGC 12793 with AT 2025kjx - 2025-07-30 (T+77.5d) Image below (2025-07-30.065) was taken 77.5 days after discovery of 2025kjx Position of reported supernova (not visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +18.5 (Clear Filter) |
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| Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-07-30 01:42 UT (#1344066-70) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2025kjx (in UGC 12793) on Supernova 2025 Page >> |
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| This Web Page: | Images - Session 1344 (2025-07-29) |
| Last Updated : | 2025-08-03 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
