Imaging telescopes or lenses: Meade LX200 8" GPS · Skywatcher collapsible Dobson 12" GoTo
Imaging cameras: Canon EOS 450D · Atik Cameras Atik 383 L+ Color
Software: Fitswork4
Dates:June 17, 2015 , Aug. 20, 2015 , Oct. 3, 2016
Frames:
4x30" ISO1600 bin 1x1
20x300" -20C bin 1x1
Baader UHC-S : 16x30" -20C bin 1x1
Integration: 1.8 hours
Avg. Moon age: 2.82 days
Avg. Moon phase: 11.67%
Astrometry.net job: 1265168
RA center: 19h 59' 36"
DEC center: +22° 42' 26"
Pixel scale: 0.715 arcsec/pixel
Orientation: -6.249 degrees
Field radius: 0.374 degrees
Resolution: 3044x2216
Locations: Home Observatory, Syke, Niedersachsen, Germany
This image is a combination of M27 images of 3 different sessions:
June 2015 : Meade Lx 200 8" and Atik 383l+c
August 2015: Skywatcher collabsible Dobson 12 " and Atik 383l+c
October 2016: Skywatcher collabsible Dobson 12" and Canon EOS 450D
most of the nebula structure stems from the first two sessions and the widefield / star colors from today
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