Untitled Document

NGC7023 
The Iris Nebula

Click Image for Larger Version

APM/TMB115 @ f/7 
Atik 383L+ 
Atik EFW2/OAG 
Baader LRGB/Ha,OIII,SII Losmandy G11

L=33x10min 
R=13x10min 
G=18x10min 
B=16x10min 
Total =13hrs 20min  
Sub-exposures registered, calibrated and stacked in DeepSkyStacker Final processing in PS3: Levels/curves stretching, reduce noise filter, smartsharpen filter, high pass filter, selective color adjustments Carboni Actions: Make stars smaller, horizontal banding noise reduction, vertical banding noise reduction