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The whole Sun. A nice line of spots in the southern hemisphere with a couple of isolated spots in the north. Date and Time: 17 December 2021 11:35 UT Camera: DFK 21AF04 Telescope: 270 mm SLR with home-made solar filter Capture: ICCapture. Exposure 1/308", gain 797, 3487 frames Processing: Registax5. 3212 frames stacked with Drizzling (0.5), Wavelets 1-3=30. Focus Magic 4. Image reduced to 640 pixels square. |
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These are spots numbered 12907, 8, and 9 (right to left). It is not clear to me on the SOHO web site, whence I get these numbers, just where the dividing line is between groups 12908 and 12909. Date and Time: 17 December 2021 12:21 UT Camera: DFK 21AF04 Telescope: LX200 with home-made solar filter Capture: ICCapture. Exposure 1/436", gain 1023, ~3400 frames Processing: Registax5. ~3000 frames stacked. Wavelets 1-3=30 Focus Magic 4 This is a 3-frame mosaic put together in iMerge. |
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