Reply To: Comet imaging help – C/2023 A3

Forums Comets Comet imaging help – C/2023 A3 Reply To: Comet imaging help – C/2023 A3

#626095
Grant Privett
Participant

I’m no expert but would start with the flat field issue – that seems a decent easy-win as the background brightness variation from vignetting is hiding the extent of the comet.

How many counts were in your RAW flat field frames?