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Contains:  Hourglass nebula, IC 1274, IC 1275, IC 4670, IC 4685, Lagoon nebula, M 20, M 21, M 8, NGC 6514, NGC 6523, NGC 6526, NGC 6530, NGC 6531, NGC 6544, NGC 6546, NGC 6559, The star 11Sgr, The star 4Sgr, The star 7Sgr, The star 9Sgr, Trifid nebula
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M8 & M20, 



    
        

            AstroGG
M8 & M20
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M8 & M20

Technical card

Imaging telescopes or lenses:Canon 70-200 f4 L

Mounts:iOptron Skytracker

Guiding cameras:Canon 60D mod

Software:Photoshop CC

Filters:Astronomik CLS EOS Clip


Dates:June 27, 2017

Frames: 10x120"

Integration: 0.3 hours

Avg. Moon age: 3.83 days

Avg. Moon phase: 15.70%


Basic astrometry details

Astrometry.net job: 1637805

RA center: 18h 5' 57"

DEC center: -23° 41' 42"

Pixel scale: 16.177 arcsec/pixel

Orientation: 355.187 degrees

Field radius: 3.370 degrees


Resolution: 1200x900

Description

70-200 lens @ 200mm f/4. At 200mm, I was at the limit of the little Skytracker. I had to reject more than half of the sub-frames.

Comments

Author

AstroGG
AstroGG
License: Attribution-NonCommercial-ShareAlike Creative Commons
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M8 & M20, 



    
        

            AstroGG