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Images - Session 1323 (2025-05-09)
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Objects Session Notes
AT 2022tvf - Type ulens? Transient AT 2023tpj - CV Type Transient (non-detection) AT 2023ylu - CV Type Transient (non-detection) AT 2025fbd - Type CV? Transient (non-detection) AT 2025fbd - Type CV? Transient (non-detection) ZTF24aaomlxy - Nova Candidate (2024-05-19) (non-detection) NGC 2407 - Elliptical Galaxy with Type Ia Supernova 2025gmc - NGC 2744 w/SN2025oq attempt failed (due to cloud/bad guiding) Variable Stars (photometric monitoring) - BL Lac, RR Leo Nearby Stars (astrometric monitoring) - None
- All night session (3.9 hr) - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 7°C (min) - CCD Temperature: -10°/-20°C - Notes from 2025-05-09 >> -
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AT 2022tvf (Scutum) AT 2022tvf (Type: ulens?) discovered 2022-09-09.729 UT by Gaia Alias: Gaia22duy Alerting Magnitude 16.40 (G-Gaia Filter) vs Historic Magnitude 17.15 +/- 0.04 SD Red gal.plane source candidate microlensing event rises by 0.8 mag ( TNS 2022tvf | Gaia22duy ) |
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AT 2022tvf - 2025-05-10 (T+973.3d) Image below (2025-05-10.053) was taken 973.3 days after discovery of 2022tvf Position of earlier transient (very faint) is shown by white cross-hairs Estimated Magnitude +17.1 (Clear Filter) Star is likely at its normal state (17.15 Gaia) |
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Annotated CCD Image (150% size, linear scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-05-10 01:24 UT (#1323068-72) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2022tvf on Transients 2022 Page >> |
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AT 2023tpj (Aquila) AT 2023tpj (Type: CV) discovered 2023-09-25.577 UT by XOSS Alias: XM108MZ, TCP J19494304+1433286 Discovery Magnitude 16.2 (Clear Filter) UG candidate classified by XOSS. ( TNS 2023tpj ) |
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AT 2023tpj - 2025-05-10 (T+592.5d) Image below (2025-05-10.076) was taken 592.5 days after discovery of 2023tpj Position of earlier transient (not visible) is shown by white cross-hairs |
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Annotated CCD Image (125% size, linear scale, cropped) 180s exposure (single frame), 3x3 binning, Clear Filter 2025-05-10 01:50 UT (#1323078) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2023tpj on Transients 2023 Page >> |
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AT 2023ylu (Vulpecula) AT 2023ylu (Type: CV) discovered 2023-11-23.765 UT by Gaia Alias: Gaia23dix Alerting Magnitude 14.47 (G-Gaia Filter) vs Historic Magnitude 20.15 +/- 0.12 SD 5.5 mag outburst in blue Gaia source, candidate CV ( TNS 2023ylu | Gaia23dix ) |
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AT 2023ylu - 2025-05-10 (T+533.3d) Image below (2025-05-10.029) was taken 533.3 days after discovery of 2023ylu Position of earlier transient (not visible) is shown by white cross-hairs |
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Annotated CCD Image (125% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-05-10 00:45 UT (#1323054-58) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2023ylu on Transients 2023 Page >> |
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AT 2025fbd (Sagitta) AT 2025fbd (Type: CV?) discovered 2025-03-20.922 UT by XOSS Alias: KATS25F021, TCP J20005674+1747256 Discovery Magnitude 15.79 (G-Gaia Filter) CV candidate classified by XOSS ( TNS 2025fbd ) |
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AT 2025fbd - 2025-05-10 (T+50.2d) Image below (2025-05-10.083) was taken 50.2 days after discovery of 2025fbd Position of earlier transient (not visible) is shown by white cross-hairs |
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Annotated CCD Image (125% size, linear scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-05-10 02:07 UT (#1323081-84) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2025fbd on Transients 2025 Page >> |
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ZTF24aaomlxy (Scutum) Alias: ZTF24aaomlxy ZTF24aaomlxy (Type: Nova) discovered 2024-05-19.376 UT by ZTF Discovery Magnitude 15.71 (ZTF-r Filter) X-Ray Transient (Swift ToO) Highly Reddened Galactic Nova Candidate ZTF Discovery of Highly Reddened Galactic Nova Candidate ZTF24aaomlxy |
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ZTF24aaomlxy - 2025-05-10 (T+355.7d) Image below (2025-05-10.039) was taken 355.7 days after discovery of ZTF24aaomlxy Position of earlier transient (faded and no longer visible or not separately distinguishable) is shown by white cross-hairs |
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Annotated CCD Image (150% size, linear scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-05-10 01:03 UT (#1323062-65) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of ZTF24aaomlxy on Transients 2024 Page >> |
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NGC 2407 with SN 2025gmc (Gemini) |
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NGC 2407 with SN 2025gmc - 2025-05-09 (T+38.3d) Image below (2025-05-09.945) was taken 38.3 days after discovery of 2025gmc Position of reported supernova (faint) is shown by white cross-hairs Estimated Magnitude +17.2 (Clear Filter) Poor quality image |
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Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-05-09 22:50 UT (#1323007-11) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2025gmc (in NGC 2407) on Supernovae 2025 Page >> |
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| This Web Page: | Images - Session 1323 (2025-05-09) |
| Last Updated : | 2025-06-24 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
