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Contains:  IC 1275, NGC 6559, IC 1274, IC 4685, IC 4684, NGC 6544, NGC 6546, NGC 6530, M 8, Lagoon nebula, Hourglass nebula, NGC 6523, NGC 6526, Trifid nebula, M 20, NGC 6514, The star 11Sgr, The star 9Sgr, The star 7Sgr
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Lagoon and Trifid stars and starless

Technical card

Imaging telescope or lens:Astro-Physics 155mm f7 StarFire EDF @ f/5.5

Imaging camera:FLI PL16803

Mount:Paramount ME

Software:MaximDL 5

Resolution: 1800x906

Dates:Oct. 1, 2019

Frames: 30x600"

Integration: 5.0 hours

Avg. Moon age: 3.11 days

Avg. Moon phase: 10.57%

Astrometry.net job: 2996449

RA center: 272.857 degrees

DEC center: -23.827 degrees

Pixel scale: 9.790 arcsec/pixel

Orientation: 0.488 degrees

Field radius: 2.740 degrees

Data source: Own remote observatory

Remote source: Non-commercial independent facility

Description

Stars vs. Starless. Starnet++ software has enabled imagers to explore deep images without the eye interference of foreground stars. The result is a revealing landscape of subtle structures normally lost to the eye. It comes at a cost however with artifacts as a result of the replaced stars, especially in an extremely star-rich field such as this one. Starnet++ results can be used as a separate layer to enhance faint structures while preserving star intensity. Image on the right is HRGB, combined with starless layer.

Comments

Author

dvj
John Gleason
License: None (All rights reserved)
4062
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Sky plot

Sky plot

Histogram

Lagoon and Trifid stars and starless, 





    
        

            John Gleason