Vincent Cheng
Photographer: Vincent Cheng
Title: IC1805
Image Data:
2016 Ha,SII,OIII
Camera : CentralDS Astro A7s
Telescope/Lens : Takahashi FSQ-85ED (450mm f/5.3)
Filter : Optolong 2″ Ha,SII,OIII filter
ISO : 3200
Tracking Mount : Takahashi EM-11
Autoguide : SBIG SG-4
Total Exposure Time : Ha:60mins, SII:57mins, OIII:90mins
2013 Ha
Camera : Astro60D (cooled at-12C)
Telescope/Lens : Takahashi FSQ-85ED w 0.73x reducer (327mm f/3.8 )
Filter : Astronomik 6nm Ha
ISO : 1600
Tracking Mount : Takahashi EM-11
Autoguide : SBIG SG-4
Total Exposure Time : 75mins
2014 SII, OIII
Camera : Astro60D (cooled at-6C)
Telescope/Lens : Takahashi FSQ-85ED w 0.73x reducer (327mm f/3.8 )
Filter : Astronomik SII, OIII
ISO : 3200
Tracking Mount : Takahashi EM-11
Autoguide : SBIG SG-4
Total Exposure Time : SII-200mins, OIII-150mins
w Dark Frames, Bias Frames
process w PI, CS5