Strange background

frankastro

Hello,

I use a ASI 1600 MC pro with a Megrez 72. Last night, I shooted M42 : 72 x 120s, gain 139.

I don't know why but when I stack my frames, I've this problem :

The entire picture :

https://www.flickr.com/photos/frank_tyrlik/31686444497/

An idea ?

Thanks

chad

Hi,

Please send an email to our support email: support(at)zwoptical.com

In the email, please attach this link, and some dark fields and flat fields. If the images are too big, you can upload them onto the dropbox or googleDrive, and send the link to us. Beside, do not forget tell us the camera settings.

Thanks

Chad