Problem with focusing

Technical Support for the BRT telescope and website
ThomasK
Posts: 58
Joined: Wed Oct 26, 2011 11:28 am

Problem with focusing

Postby ThomasK » Fri Jul 28, 2017 10:38 pm

First, I think COAST have been a huge sucess the last months. It had produced images almost every night in a huge quantity and I have got lots of images of variable stars to work with and great light curves.

But I have noticed that the stars on the images have been out of focus the last nights. Have something mechanical happened to the telescope or is it something that can to be tuned?

I have also noticed that there are great deal of hot pixels in the images. In most cases they doesen't cause any problems, but if you are unlucky one of the hot pixels strike the star you are intrested in and ruin the image. Is this something that can be improved?

Thomas Karlsson

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