Search found 4 matches

by thomehm
Sat Nov 18, 2017 6:59 pm
Forum: Cameras
Topic: dealing with reflections and diffraction with ASI1600MM
Replies: 11
Views: 2864

Re: dealing with reflections and diffraction with ASI1600MM

Thank you for your reply Sam. Removing the .7 reducer from the optical path will be a good experiment. I will perform this experiment. However, I purchased the .7 reducer for an obvious reason. This reason for this purchase persists and I will not consider it an acceptable outcome to not be able to ...
by thomehm
Fri Nov 10, 2017 7:02 pm
Forum: Cameras
Topic: dealing with reflections and diffraction with ASI1600MM
Replies: 11
Views: 2864

dealing with reflections and diffraction with ASI1600MM

Currently I'm dealing with an issue in which my images show wide spikes projecting from bright stars at symetric angles, as illustrated in the attached file. I have a Celestron EdgeHD 8, a Celestron .7 reducer, and a ZWO ASI1600MM. So far, in discussions with other people, and reading threads in CN,...
by thomehm
Fri Aug 11, 2017 1:02 am
Forum: SDK & Driver
Topic: Nebulosity 4 and ZWO ASI1600MM novice issue
Replies: 3
Views: 1165

Re: Nebulosity 4 and ZWO ASI1600MM novice issue

Upon further investigation, I have found that the problem of not all of the buttons being present in the nebulosity UI does not occur when I tried this on a computer with a large screen. But this is not a solution for me, because I cannot bring a desktop computer out to a star party. The computer th...
by thomehm
Thu Aug 10, 2017 7:51 pm
Forum: SDK & Driver
Topic: Nebulosity 4 and ZWO ASI1600MM novice issue
Replies: 3
Views: 1165

Nebulosity 4 and ZWO ASI1600MM novice issue

I have just received my new ASI1600MM. I installed the ASI and ASCOM drivers. I also bought and installed Nebulosity 4. I have not yet taken the camera out under the night sky. I just have it sitting on my desk, plugged in to my PC via USB, and I am going through the Nebulosity 4 manual. I select ZW...