Celestial hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  4 Sgr  ·  B85  ·  LBN 27  ·  LDN 232  ·  LDN 237  ·  M 20  ·  M 21  ·  NGC 6514  ·  NGC 6531  ·  PK006+00.1  ·  Sh2-28  ·  Sh2-30  ·  The star 4Sgr  ·  Trifid Nebula
Getting plate-solving status, please wait...
Messier 20, The Trifid Nebula & Messier 21, 



    
        

            doug0013
Powered byPixInsight

Messier 20, The Trifid Nebula & Messier 21

Getting plate-solving status, please wait...
Messier 20, The Trifid Nebula & Messier 21, 



    
        

            doug0013
Powered byPixInsight

Messier 20, The Trifid Nebula & Messier 21

Acquisition details

Dates:
Sept. 3, 2021
Frames:
54×90(1h 21′) ISO800
Integration:
1h 21′
Darks:
45
Flats:
100
Bias:
100
Avg. Moon age:
25.98 days
Avg. Moon phase:
13.62%
Bortle Dark-Sky Scale:
8.00

RA center: 18h02m56s.69

DEC center: -22°3411.1

Pixel scale: 2.555 arcsec/pixel

Orientation: 86.042 degrees

Field radius: 1.494 degrees

WCS transformation: thin plate spline

More info:Open 

Resolution: 3476x2368

File size: 39.8 MB

Data source: Backyard

Comments

Revisions

  • Messier 20, The Trifid Nebula & Messier 21, 



    
        

            doug0013
    Original
  • Messier 20, The Trifid Nebula & Messier 21, 



    
        

            doug0013
    B
  • Messier 20, The Trifid Nebula & Messier 21, 



    
        

            doug0013
    C
  • Messier 20, The Trifid Nebula & Messier 21, 



    
        

            doug0013
    D
  • Messier 20, The Trifid Nebula & Messier 21, 



    
        

            doug0013
    E
  • Messier 20, The Trifid Nebula & Messier 21, 



    
        

            doug0013
    F
  • Final
    Messier 20, The Trifid Nebula & Messier 21, 



    
        

            doug0013
    G

Sky plot

Sky plot

Histogram

Messier 20, The Trifid Nebula & Messier 21, 



    
        

            doug0013