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Images - Session 1334 (2025-06-13)
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Objects Session Notes
2MFGC 13744 - Galaxy with Type II Supernova 2024afyu NGC 6685 - Elliptical Galaxy with Type Ia Supernova 2023ndu (non-detection) UGC 10058 - Spiral Galaxy with Type II Supernova 2025gvs Variable Stars (photometric monitoring) - R CrB, T CrB 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 : 11°C (min) - CCD Temperature: -10°C - Notes from 2025-06-13 >> -
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2MFGC 13744 with SN 2024afyu (Ophiuchus) |
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2MFGC 13744 with SN 2024afyu - 2025-06-14 (T+166.4d) Image below (2025-06-14.010) was taken 166.4 days after discovery of 2024afyu Position of reported supernova (faint, fading ?) is shown by white cross-hairs Measured Magnitude +15.4 (Clear Filter) is likely inaccurate and should be ignored Poor quality image (bright, uneven sky background, sunalt -9.4°, single frame) |
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Annotated CCD Image (150% size, square root scale, cropped) 180s exposure (single frame), 3x3 binning, Clear Filter 2025-06-14 00:15 UT (#1334030) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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2MFGC 13744 with SN 2024afyu - Earlier Image, 2025-03-18 (T+78.5d) Image below (2025-03-18.057) was taken 78.5 days after discovery of 2024afyu Position of reported supernova (distinct) is shown by white cross-hairs Measured Magnitude +14.80 (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 2025-03-18 01:30 UT (#1302129-33) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2024afyu (in 2MFGC 13744) on Supernova 2024 Page >> |
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NGC 6685 with SN 2023ndu (Lyra) |
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NGC 6685 with SN 2023ndu - 2025-06-14 (T+700.8d) Image below (2025-06-14.024) was taken 700.8 days after discovery of 2023ndu Position of earlier SN (not separately visible, likely faded) is shown by white cross-hairs |
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Annotated CCD Image (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-06-14 00:44 UT (#1334037-41) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2023ndu (in NGC 6685) on Supernova 2023 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 - 2025-06-13 (T+69.5d) Image below (2025-06-13.986) was taken 69.5 days after discovery of 2025gvs Position of reported supernova (distinct, fading slowly) is shown by white cross-hairs Measured Magnitude +15.61 (Clear Filter) Relatively poor quality image (bright uneven sky background, sunalt -9.3°) |
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| Annotated CCD Image (175% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-06-13 23:49 UT (#1334015-19) 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 1334 (2025-06-13) |
| Last Updated : | 2025-06-24 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
