Vincent Cheng

 

 

Photographer: Vincent Cheng
Title: Comet 46P/Wirtanen, M35 & ic433

Image Data:

Camera : CentralDS Astro A7s (cooled at-3C)
Telescope/Lens : SIGHTRON D=70mm f/5 Lanthan Apochromat Flat Field Astrograph (350mm f/5)
Filter : Color:none, Ha:Optolong 7nm Ha 2″
ISO : Color:3200, Ha:6400
Tracking Mount : Takahashi EM-10
Autoguide : none

Total Exposure Time : Color:1min X 47frames, Ha 2min X 23frames
w Dark Frames, Bias Frames
process w PI, PS CC