Proms, Filament, and Sunspot: 06/21/23
Proms, Filament, and Sunspot: 06/21/23 |
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Ha Solar Image |
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Object Data |
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| Object type: | Sun in Ha | |
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| Constellation: | ||
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| Notes: |
A very active sun today showing filaments,
sunspots and prominences on the NE quadrant. The large sunspot is
designated AR3340. | |
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Exposure Data |
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| Date: | June 21, 2023 | |
| Location: | Backyard Observatory, Carlsbad, CA | |
| Telescope: | Lunt 100THa solar scope; double stack with 18mm blocking filter. 2.5x Televue Powermate = 1725mm focal length | |
| Camera: | FLIR Grasshopper 23S6M videocamera (Sony IMX 174) | |
| Mount: | Losmandy GM-11 | |
| Exposure time: | 132 f/s for surface layer; 42 f/s for prominence; | |
| Exposure time total: | ||
| Notes: | Registered and combined 15% of the best 3000 frames/channel. | |
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