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Images - Session 1330 (2025-05-27)
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IC 4408 - Spiral Galaxy with Type Ia Supernova 2025kfm NGC 4395 - Spiral Galaxy with Transient AT 2025lwi (non-detection) UGC 10058 - Spiral Galaxy with Type II Supernova 2025gvs Variable Stars (photometric monitoring) - T CrB, AM Her Nearby Stars (astrometric monitoring) - Barnards Star
- Post midnight session (1.9 hr). Short Summer Night - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature : 5°C (min) - CCD Temperature: -15°/-20°C - Notes from 2025-05-25 >> -
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IC 4408 with SN 2025kfm (Bootes) |
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IC 4408 with SN 2025kfm - 2025-05-28 (T+18.6d) Image below (2025-05-28.002) was taken 18.6 days after discovery of 2025kfm Position of reported supernova (faint) is shown by white cross-hairs Estimated Magnitude +16.1 (Clear Filter) |
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Annotated CCD Image (150% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-05-28 00:06 UT (#1330008-09) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2025kfm (in IC 4408) on Supernova 2025 Page >> |
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| NGC 4395 with AT 2025lwi (Canes Venatici) AT 2025lwi (Type: unk) discovered 2025-05-24.805 UT by Yuan-Sheng Tsai using Mewlon300 + QHY294M Discovery Magnitude 17.90 (L Filter) ( TNS 2025lwi) |
| NGC 4395 with AT 2025lwi - 2025-05-28 (T+3.2d) Image below (2025-05-28.013) was taken 3.2 days after discovery of 2025lwi Position of reported transient (not visible) is shown by white cross-hairs. Measured Magnitude +15.91 Poor quality image (poor transparency, bright sky background) |
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| Annotated CCD Image (100% size, square root scale,
cropped) 2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-05-28 00:22 UT (#1330013-14) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| NGC 4395 - Earlier Image with AT 2022fmn - 2022-04-27 (T+28.2d) Image below (2022-04-27.999) was taken 28.2 days after discovery of 2022fmn Position of reported AGN (bright & distinct) is shown by white cross-hairs) Measured Magnitude +15.91 |
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| Annotated CCD Image (100% size, square root scale,
cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2022-04-28 00:09 UT (#1004049-53) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2025lwi (NGC 4395) on Transients 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 - 2025-05-28 (T+52.5d) Image below (2025-05-28.025) was taken 52.5 days after discovery of 2025gvs Position of reported supernova (distinct, fading slowly) is shown by white cross-hairs Measured Magnitude +15.57 (Clear Filter) |
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| Annotated CCD Image (175% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-05-28 00:45 UT (#1330019-23) 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 1330 (2025-05-27) |
| Last Updated : | 2025-06-02 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
