Egg-shaped stars—what now? Non-circular stars in astrophotography//Optical errors, autoguiding, c...

Опубликовано: 03 Май 2026
на канале: astrophotocologne
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This video is about deformed stars. What causes stars to be out of round, and what can I do about it? Our guest is astrophotographer and optics expert Tommy Nawratil from Teleskop Austria.
Have fun and CS
Frank

3:00 PM Tracking Error
6:50 PM Corrector Distance
8:25 PM Tilt
10:45 PM Coma

Links
Tommy's Blog
http://interferometrie.blogspot.com/
Tommy's Adjustment Primer
https://teleskop-austria.at/informati...
Teleskop Austria
https://teleskop-austria.at/
Skywatcher Esprit 80
http://bit.ly/2vaCqdE
Skywatcher Esprit 100
http://bit.ly/2PYvrM4
Skywatcher Esprit 150
http://bit.ly/3cIhgUW
Takahashi Baby-Q (85)
https://teleskop-austria.at/FSQ85#m
Takahashi FSQ106EDX4 (special design of the 106ED)
https://teleskop-austria.at/FSQ106X4#m
Tilt flange to prevent tilting (here M48 on EOS mount)
http://bit.ly/2VVVQ0F

Book recommendations on image editing:
Inside PixInsight
https://amzn.to/2nR3qLe

Lessons from the Masters
https://amzn.to/2n5Iu2Q

Telescopes, mounts, and all accessories for astrophotography are available in the Astroshop
http://bit.ly/2nTdnro

When you click on the links to Amazon or Astroshop, I receive a small commission if you purchase one of the products. This does not increase your purchase price. It's not much, but it supports my work. Thank you!
CS Frank