Thread: IC2177 Seagull Nebula Narrowband
View Single Post
  #3  
Old 24-01-2017, 11:46 AM
furgle (Adam)
Registered User

furgle is offline 		 
Join Date: Feb 2016
Location: Brisbane
Posts: 144
Thanks Andy, I do use dark flats on my Ha & SII as the flats are are around 2-3 minutes exposure time. OIII flats only needs 5 seconds, so I just bias them
Reply With Quote