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Coalsack Loop Starless, 


            John Gleason

Coalsack Loop Starless

Technical card

Imaging telescope or lens:Takahashi FSQ Fluorite

Imaging camera:FLI PL16803

Mount:Paramount ME

Filter:Astrodon 5nm Halpha

Resolution: 4000x3189

Dates:March 18, 2019

Frames: 120x1800"

Integration: 60.0 hours

Avg. Moon age: 11.81 days

Avg. Moon phase: 90.46% job: 2589629

Data source: Own remote observatory

Remote source: Non-commercial independent facility


Starless interpretation of the Hydrogen Alpha filamentary structure around the Coalsack in Crux.

A large filamentary structure of 10-degrees in diameter, the Coalsack Loop, which most likely is situated on the far side of the Coalsack Nebula and energized by the Centaurus OB1 association. This object is most likely the expanding remains of an old supernova remnant or HII region and may be interacting with the Coalsack. The Coalsack is composed of two clouds located at distances of 188 pc and 243 pc.



John Gleason
License: None (All rights reserved)


Coalsack Loop Starless, 


            John Gleason