Posted on by Joost Admin

Sunspots on Mother’s day

As I’m testing out the new observatory, I could test some solar imaging today. Between the clouds!

Setup was a Baader ND 5 objective filter, the Maksutov 180mm F15, ASI174, no additional filters used.

The solar filter as purchased with Astromann at ATT Essen yesterday.

5% of 17000 frames @ 90 seconds 188 fps

15% of 17000 frames @ 90 seconds 188 fps
25% of 17000 frames @ 90 seconds 188 fps

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