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Contains:  NGC 6530, M 8, Lagoon nebula, Hourglass nebula, NGC 6523, NGC 6526, The star 9Sgr, The star 7Sgr
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M8, 





    
        

            dkamen
M8

Technical card

Resolution: 2754x1818

Frames: 254x30"

Integration: 2.1 hours

Astrometry.net job: 2783809

RA center: 18h 4' 28"

DEC center: -24° 12' 0"

Pixel scale: 2.349 arcsec/pixel

Orientation: 4.203 degrees

Field radius: 1.077

Locations: Home, Athens, Attiki, Greece

Data source: Backyard

Description

This is from the same data set as the previous image (M20) but at the very edge of the field so the stars are not as round. Still not bad at all.

Please refer to the M20 image for acquisition details.

Although from the same field and essentially with the same workflow (save for the artificial PSF images used in deconvolution), the two pics have been integrated differently: M20 with Drizzle X2 without any rejection, M08 with "classic" ImageIntegration and Linear Fit outlier rejection.

Comments

Author

dkamen
dkamen
License: Attribution-ShareAlike Creative Commons
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M8, 





    
        

            dkamen