Hot pixel elimination

[Szumi]

I've made the mistake of grabbing a hot pixel to focus on.  Have you ever given any thought to using dark frames to suppress hot pixels in your focusing module?

Thank you,

 

Szumi

 

[astroman133]

Unless your focal length is very short, stars will be several pixels across. Are you shooting with a lens rather than a telescope?

[Szumi]

Lens.  200 - 400 mm depending.