Clear sky - enough for 15 x 600 seconds on M31
New scope performing well - tight round images all over except for top left corner - a bit of elongation.
September 8th
Sunspot activity is increasing
Best 20% of 30 images, 0.018 seconds exp. Mylar solar film and Ha filter
Main group
A friend asked how big the sunspots are - I made a graphic.
(Inverted Sun)
