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Contains:  NGC 6530, M 8, Lagoon nebula, Hourglass nebula, NGC 6523, NGC 6526, Trifid nebula, M 20, NGC 6514, The star 9Sgr, The star 7Sgr, The star 4Sgr
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M8 and M20 Mosaic, 





    
        

            Ben S Klerk
M8 and M20 Mosaic

M8 and M20 Mosaic

Technical card

Resolution: 8349x9093

Frames:
Astronomik Ha 6nm 1.25": 28x600" -20C bin 1x1
Astronomik OIII 1.25" 6nm: 34x600" -20C bin 1x1
Astronomik S2 1.25" 6nm: 28x600" -21C bin 1x1

Integration: 15.0 hours

Astrometry.net job: 2969679

RA center: 18h 2' 32"

DEC center: -23° 55' 8"

Pixel scale: 0.910 arcsec/pixel

Orientation: 318.237 degrees

Field radius: 1.560

Locations: Home obs, Katoomba, New South Wales, Australia

Data source: Backyard

Description

Messier 8 (Lagoon Nebula) and Messier 20 (Trifid Nebula)

This is a 2 panel mosaic and one of my first attempts at doing one.

The Lagoon Nebula is a giant interstellar cloud in the constellation Sagittarius. It is classified as an emission nebula. The Lagoon Nebula is currently undergoing a period of active star formation and has already formed a sizable cluster of stars. NGC 6530, the extremely young open cluster formed from the material of M8. The Lagoon Nebula is estimated to be between 4,000-6,000 light-years from the Earth. Like many nebula's, it appears pink in time-exposure color photos but is gray to the eye peering through binoculars or a telescope, human vision having poor color sensitivity at low light levels.

The Trifid Nebula is also an H II region located in Sagittarius. The name Trifid refers to its three-lobed appearance. Messier 20 consists of several different objects: an emission nebula, a reflection nebula, a dark nebula and an open star cluster.

Comments

Author

benklerk
Ben S Klerk
License: Attribution-NonCommercial-NoDerivs Creative Commons
730
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Revisions

  • Final
    M8 and M20 Mosaic, 





    
        

            Ben S Klerk
    Original
  • M8 and M20 Mosaic, 





    
        

            Ben S Klerk
    B
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            Ben S Klerk
    C
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            Ben S Klerk
    D
  • M8 and M20 Mosaic, 





    
        

            Ben S Klerk
    E

B

HSO

C

OHS

D

OSH

E

SHO

Sky plot

Sky plot

Histogram

M8 and M20 Mosaic, 





    
        

            Ben S Klerk