JuergenN
JuergenN created a new topic ' Plate Solving changed coordinates of object...' in the forum. 3 years ago

Hello,
this night I did some tests with my image train. To do this I spotted on NGC891 with my C9+Reducer (f=1485mm).

The first plate solving worked very well, NGC891 was centered in the picture. I took some photos (approx 2 hours) and then did an autofocus. After that I did another platesolving. BUT: the coordinates had changed!!! I realized that after watching the first picture after that plate solving, the galaxy was not centered...

 

PlateSolve_NGC891_1.png
 
PlateSolve_NGC891_1.png


To solve this issue I had to go to kstars and klick on NGC891 - Details - Center in Telescope. After doing so, the plate solving used the right coordinates and centerd the galaxy. I had this problem already rarely in the past. What is wrong???

CS

Juergen

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