Hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  HD185131  ·  M 55  ·  NGC 6809
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M 55, 



    
        

            Stephan Schurig
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M 55

Getting plate-solving status, please wait...
M 55, 



    
        

            Stephan Schurig
Powered byPixInsight

M 55

Acquisition details

Dates:
July 17, 2018
Frames:
64×30(32′) (gain: 53.00) -20°C bin 1×1
ZWO Blue 36 mm: 18×30(9′) (gain: 53.00) -20°C bin 1×1
ZWO Green 36 mm: 24×30(12′) (gain: 53.00) -20°C bin 1×1
ZWO Red 36 mm: 22×30(11′) (gain: 53.00) -20°C bin 1×1
Integration:
1h 4′
Darks:
40
Flats:
40
Bias:
200
Avg. Moon age:
4.99 days
Avg. Moon phase:
25.66%
Bortle Dark-Sky Scale:
1.00

RA center: 19h40m01s.806

DEC center: -30°5749.35

Pixel scale: 0.414 arcsec/pixel

Orientation: -0.032 degrees

Field radius: 0.376 degrees

WCS transformation: thin plate spline

More info:Open 

Resolution: 5449x3601

File size: 3.7 MB

Locations: ATHOS Centro Astronómico S.L., Las Tricias, CN, Spain

Data source: Backyard

Description

Globular Cluster M 55 in the constellation Sagittarius consists of 100,000 stars. It is located at a distance of about 17,600 light-years away from Earth and has a mass of about 269,000 times that of the Sun.

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Histogram

M 55, 



    
        

            Stephan Schurig