Celestial hemisphere:  Southern  ·  Constellation: Crux (Cru)
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The utter darkness of SDN155 at the edge of Coalsack nebula, 



    
        

            Alexandr Zaytsev
The utter darkness of SDN155 at the edge of Coalsack nebula, 



    
        

            Alexandr Zaytsev
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The utter darkness of SDN155 at the edge of Coalsack nebula

Getting plate-solving status, please wait...
The utter darkness of SDN155 at the edge of Coalsack nebula, 



    
        

            Alexandr Zaytsev
The utter darkness of SDN155 at the edge of Coalsack nebula, 



    
        

            Alexandr Zaytsev
Powered byPixInsight

The utter darkness of SDN155 at the edge of Coalsack nebula

Acquisition details

Dates:
Feb. 16, 2021
Frames:
21×300(1h 45′)
Integration:
1h 45′
Avg. Moon age:
4.46 days
Avg. Moon phase:
20.88%

RA center: 12h54m29s.150

DEC center: -61°3245.63

Pixel scale: 0.273 arcsec/pixel

Orientation: -13.859 degrees

Field radius: 0.205 degrees

WCS transformation: thin plate spline

More info:Open 

Resolution: 3824x3824

File size: 16.0 MB

Data source: Amateur hosting facility

Remote source: ChileScope

Description

105min of integral LRGB exposure of high density area (SDN155) near the edge of the Coalsack nebula and HD 312139 (+11.8m) captured remotely using Telescope #1 (ASA-RC D = 1m f/6.8, FLI ProLine 16803) system of ChileScope observatory, over 2 imaging sessions carried out on Jan 10, 2021 and Feb 16, 2021.

A wider angle view of the entire Coalsack nebula is also available under [1]:

[1] https://www.astrobin.com/q16jx0/

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The utter darkness of SDN155 at the edge of Coalsack nebula, 



    
        

            Alexandr Zaytsev