Cookie consent

AstroBin saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing AstroBin without changing the browser settings, you grant us permission to store that information on your device.

I agree
Contains:  Trifid nebula, M 20, NGC 6514
Getting plate-solving status, please wait...
Trifid Nebula, M 20, 


            Charles R. Wright
Trifid Nebula, M 20

Trifid Nebula, M 20

Technical card

Resolution: 3282x2470

Dates:July 20, 2019

Astrodon Blue Gen II: 2x600" -10C bin 1x1
Astrodon Green Gen II: 2x600" -10C bin 1x1
Astrodon Lum Gen II: 1x600" -10C bin 1x1
Astrodon Red Gen II: 2x600" -10C bin 1x1

Integration: 1.2 hours

Avg. Moon age: 18.04 days

Avg. Moon phase: 88.33%

Bortle Dark-Sky Scale: 3.00 job: 2831189

RA center: 270.675 degrees

DEC center: -22.984 degrees

Pixel scale: 1.369 arcsec/pixel

Orientation: 358.743 degrees

Field radius: 0.781 degrees

Locations: Hill House, Strafford, VT, United States

Data source: Own remote observatory

Remote source: Non-commercial independent facility


Acquired on 7/20 and 7/24, one image before meridian flip and one after. This made it a real pain to align, and even with CCDStack, the alignment was not perfect, which I don't understand. Also, there was a satellite flare in one of the blue subs that I had to remove. Turned out ok I think.



Charles R. Wright
License: None (All rights reserved)

Sky plot

Sky plot


Trifid Nebula, M 20, 


            Charles R. Wright