Large Solar Prominence on the Eastern Limb: 10/11/25 |
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The Sun in Ha |
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Object Data |
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| Object type: | Solar | |
| Magnitude: | -26.7 | |
| Constellation: | ||
| Distance: | 8.3 light-minutes | |
| Notes: | Image shows sunspots in AR 4248 and 4250. | |
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Exposure Data |
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| Date: | 10/11/25 | |
| Location: | Backyard Solar Observatory, Carlsbad, CA | |
| Lense: | Lunt 100THa solar scope; double stack etalons with 18mm blocking filter. 2.5X TeleVue Powermate brings focal length to 1785mm | |
| Camera: | ZWO ASI174mm camera (Sony IMX 174 sensor) | |
| Mount: | Losmandy G-11 |
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| Exposure time: | Surface: Frame rate 128 f/s; 5.45 ms exp Prom: Frame rate 42 f/s; 23.66 ms exp |
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| Exposure time total: | ||
| Notes: | Registered and combined 15% of the best 3000 frames using Autostakkert. Inverted and sharpened in PS-CS | |
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