Vincent Cheng

/in /by

 

 

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

Vincent Cheng

/in /by

 

 

Photographer: Vincent Cheng
Title: Antares and Rho Ophiuchus Region

Image Data:

Camera : CentralDS Astro60D (cooled at-4.5C)
Telescope/Lens : f/2 @ Sigma Art 105mm f/1.4
Filter : Optolong L-pro EOS-C clip-on
ISO : 1600
Tracking Mount : Kenko Skymemo S
Autoguide : none

Total Exposure Time : 30s X 139 frames
w Dark Frames, Bias Frames
process w PI, PS CC

Vincent Cheng

/in /by

Photographer: Vincent Cheng
Title: NGC7822

Image Data:
Date 31,OCT,2016
Place Cingjing, Taiwan
Camera : CentralDS Astro A7s (cooled at -1C)
Telescope/Lens : f/4 @ Canon 300mm f/4L non-IS
Filter : Optolong 2″new 7nm NEW Ha, SII, OIII
ISO : 3200
Tracking Mount : Kenko Skymemo S
Autoguide : none
Total Exposure Time : Ha：3mins X 23frames, SII：3mins X 22frames, OIII：3mins X 32frmaes
w Dark Frames, Bias Frames
process w PI, PS CC