Hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  M 20  ·  NGC 6514  ·  Trifid nebula
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Trifud Nebula M20, in Ha with ASI1600MM, 



    
        

            glend
Trifud Nebula M20, in Ha with ASI1600MM
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Trifud Nebula M20, in Ha with ASI1600MM

Technical card

Basic astrometry details

Astrometry.net job: 1096959

RA center: 18h02m21s.6

DEC center: -23°0140

Pixel scale: 0.785 arcsec/pixel

Orientation: 0.064 degrees

Field radius: 0.637 degrees


Resolution: 620x469

Description

This image of the Trifud Nebula was taken with the ASI1600MM-Cool camera with Ha filter. It consists of a stack of just 10 x 60 second subs, with darks and bias frames applied. Is is part of a series I am shooting to test Gain and Offset setting for this camera. In this image the Gain was set to 71 and Offset to 21. Stacked in DSS, and minimal processing in Photoshop (Auto Levels only). Yes it can use some more processing but for comparisons I wanted all of the test series to have the same basics applied.

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Trifud Nebula M20, in Ha with ASI1600MM, 



    
        

            glend