Thursday, October 11, 2012

Active Area with Trailing Filaments

Double-stacking really brings out the dark filaments on the sun's surface, as this image illustrates:






The "tweaking" of the SolarMaxII etalon is very subtle; I've found that very small movements (around a 16th of an inch in rotation) really do make a difference to the final image.

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Comet Lemmon

Comet Lemmon. 10 min x 10 second exposures. S50. Color is a little strange, but at least it’s there :)