Which ANSR FOV directories I need to download? FOVs?


#1

I have the ASI1600MM-Cooled and Orion ED80T CF, Orion EON 115mm, and Celestron Evolution 9.25" SCT (with and without f/6.3 focal reducer). How do I figure out which directories I need when it asks for narrowest and widest FOV? The download wizard asks about arcmins, etc and should be 20% of my narrowest FOV and should match (I assume) the widest FOV.


#2

Right, so you just need to get the camera’s pixel size and the scope focal length and you have all parameters you need to calculate scale.

SGPro has a little calculator for this if you want to use it


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