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Full Disk with Large Polar Crown in Southern Half


This is a full disk shot taken on Jan 12, 2013 in New Mexico that I just got around to processing. I used a Lunt LS80mm HA DSII scope and a DMK41 camera. I also used a 0.8x FR to capture the entire disk. This is the best 20% stack of 879 frames using AutoStakke 2.0 and then processed in Photoshop CS6. North is up in this image. This was a particularly active solar day although most of the activity was within the disk proper and not on the edges (alas, no big prominences). I was able to catch several cool features including the very active sunspot AR11654 (middle left) which was flaring at this time, a number of prominent filaments, and a large polar crown in the lower right hand quadrant. The latter was essentially a series of small prominences starting from the SW rim and lining up in snake-like fashion across the lower right portion of the disk - a curved wall of plasma 100s of thousands of miles in length.

From the album:

Redshift Solar

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