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Dark Tower of Scorpius, 





    
        

            Gary Imm
Dark Tower of Scorpius

Dark Tower of Scorpius

Technical card

Resolution: 4521x3365

Dates:June 27, 2019June 28, 2019

Frames:
Astrodon Blue 31mm Gen2 I-Series: 60x60" (gain: 139.00) -15C bin 1x1
Astrodon Green 31mm Gen2 I-Series: 60x60" (gain: 139.00) -15C bin 1x1
Astrodon Ha 31mm 5nm: 24x300" (gain: 300.00) -15C bin 1x1
Astrodon Red 31mm Gen2 I-Series: 60x60" (gain: 139.00) -15C bin 1x1

Integration: 5.0 hours

Avg. Moon age: 24.55 days

Avg. Moon phase: 25.64%

Astrometry.net job: 2782582

RA center: 251.695 degrees

DEC center: -41.291 degrees

Pixel scale: 0.782 arcsec/pixel

Orientation: 265.137 degrees

Field radius: 0.612 degrees

Locations: Backyard (Mag 20.8 - New Moon), Onalaska, Texas, United States

Data source: Backyard

Description

This object, formally known as GN.43.7.01, is located 5000 light years away in the southern constellation of Scorpius. The object is 40 light years long. It is a tough object for many of us to image because of its declination of -41 deg.

This object is described as a cometary globule - an isolated cloud of gas and dust within the Milky Way with a dense, dark head and a long faint tail, with some clumps slowly collapsing to form stars within the dark nebula. The cloud is shaped by intense ultraviolet radiation from the hot stars in the large star cluster NGC 6231, which is off image to the upper left. That same radiation is causing the reddish glow of hydrogen gas. This image helps to accentuate the hydrogen glow by supplementing the normal RGB data with Ha. Small bluish reflection nebulae can be seen in some of the stars embedded in the dust.

Comments

Author

GaryI
Gary Imm
License: None (All rights reserved)
1391
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Dark Tower of Scorpius, 





    
        

            Gary Imm