Saturday, August 11, 2012

AR 1543 with Edge Prominence


I was processing this image of Sunspot 1543 when I noticed the rather nice prominence on the edge of the disk.  Spicules are almost resolved; it's very tough to image them with the small aperture of the PST and a single etalon.

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A 26 Hour Integration of M51 with the Seestar S 50

M 51 is a wonderful object for S50 imaging, and this image has a total integration time of just over 26 hours (20 second subs in EQ mode). I...