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Contains:  NGC 6530, M 8, Lagoon nebula, Hourglass nebula, NGC 6523, NGC 6526, The star 9Sgr, The star 7Sgr
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Messier 8, 


            Ben S Klerk
Messier 8

Messier 8

Technical card

Resolution: 4400x3326

Dates:July 22, 2018July 23, 2018July 31, 2018Aug. 1, 2018Aug. 2, 2018Aug. 4, 2018Aug. 5, 2018Aug. 9, 2018Aug. 10, 2018Aug. 12, 2018Aug. 13, 2018Aug. 14, 2018

Astronomik Ha 6nm 1.25": 44x600" -30C bin 1x1
Astronomik OIII 1.25" 6nm: 21x600" -30C bin 1x1
ZWO LRGB blue: 52x180" -30C bin 1x1
ZWO LRGB green: 43x180" -30C bin 1x1
ZWO LRGB lum: 49x120" -30C bin 1x1
ZWO LRGB red: 50x180" -30C bin 1x1

Integration: 19.7 hours

Avg. Moon age: 15.46 days

Avg. Moon phase: 43.73% job: 2207109

RA center: 18h 3' 46"

DEC center: -24° 18' 7"

Pixel scale: 0.572 arcsec/pixel

Orientation: 315.605 degrees

Field radius: 0.438

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

Data source: Backyard


M8 (Lagoon Nebula)

The Lagoon Nebula is a giant interstellar cloud in the constellation Sagittarius. It is classified as an emission nebula and a H II region. The Nebula is estimated to be between 4,000-6,000 light-years from the Earth, the age is about 2 million years old and its size is around 110 by 50 light years. The nebula contains a number of Bok globules (dark, collapsing clouds of protostellar material), also the 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, has a visual magnitude of 4.6 and covers an area of 14 arc minutes in the sky.



Ben S Klerk
License: Attribution-NonCommercial-NoDerivs Creative Commons

Sky plot

Sky plot


Messier 8, 


            Ben S Klerk