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Old 28-01-2019, 10:47 AM
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Camelopardalis (Dunk)
Drifting from the pole

Camelopardalis is offline
 
Join Date: Feb 2013
Location: Brisbane
Posts: 5,425
Quote:
Originally Posted by that_guy View Post
I've just started using autofocus and having a bit of a weird issue, The first two steps are seem to have no change in HFR so looks flat, but after that, it's produces an excellent V curve. but due to the first two flat samples, it skews the median value. Has anyone else come across this?
Usually that’s because the stars are too diffuse. Try reducing your steps a little, and it won’t jump out of focus quite so far.
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