K3's Astronomy - Deep Sky
"When I consider your heavens, the work of your fingers, the moon and the stars which You have set in place, what is Man that You are mindful of him?" -- Psalm 8:3,4
M57 - The Ring nebula - More photos
Here is an example of various processing of video material from the same night. All photograph were produced from two sources - 6s and 20s exposures.
Date: 14.10.2001
Time: 19:05 - 19:56 UT
Telescope: Orion Europa 200 (8" / F6)
Camera: Philips Vesta 675SC at prime focus
Capture and stacking: K3CCDTools
Seeing: limiting magnitude for naked eye 4.5
Location: balcony in urban site
  
46x6s (gain 100%), Corel Photopaint 		  
The negative of left photo

9x20s (gain 80%), Corel Photopaint + MaximDL
The negative of left photo

9x20s (gain 80%), Corel Photopaint + MaximDL
9x20s (gain 80%), Corel Photopaint

9x20s (gain 80%), Iris (deconvolution)
9x20s (gain 80%), Corel Photopaint

 

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Last Update: 8.10.2001