Vincent Cheng

/in /by

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