By May-Lynn Huang | 2022-02-12
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On 02/11/2022 01:04 pm by David Hoskin | Halifax, Nova Scotia, Canada
I imaged sunspot AR2941 in hydrogen alpha just before noon on the morning of 11 Feb. 2022. This is a very wide sunspot group that was active earlier in the week but is now quiescent and rotating out of view.
Lunt 40mm Solar Telescope, ASI290MM with 2.5x Barlow, Star Adventurer Mount
Best 300 frames of video were stacked using AutoStakkert, wavelets were adjusted with Registax 6, other post-processing with Photoshop, PhotoScape X, and Microsoft Photo.