Today I decided to try to take some picture in CaK and white light. The weather is good but the seeing is not. I had problems focusing due to the wind and to the cold coming up from the roof.

Here’s a 1/4 disk in CaK (the area with the 3 new ARs):

I used the Celestron Omni 120/1000 with a focal length of 2250mm. Lunt B1200 CaK diagonal and DMK41 mono camera.

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