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



    
        

            Walter Gröning
M 55
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M 55

M 55, 



    
        

            Walter Gröning
M 55
Powered byPixInsight

M 55

Technical card

Imaging telescopes or lenses: Philipp Keller (Astrooptik) Cassegrain 500/1500

Imaging cameras: SBIG STL11000M

Guiding telescopes or lenses: Philipp Keller (Astrooptik) Cassegrain 500/1500

Guiding cameras: SBIG STL11000M

Software: Adobe Photoshop CS4  ·  CCDStack 2

Filters: Baader Planetarium LRGB 50.4 mm


Dates:Oct. 12, 2010

Frames: 15x180" (45')

Integration: 45'

Avg. Moon age: 5.10 days

Avg. Moon phase: 26.61%


Basic astrometry details

Astrometry.net job: 478569

RA center: 19h39m59s.3

DEC center: -30°5743

Pixel scale: 1.232 arcsec/pixel

Orientation: -179.478 degrees

Field radius: 0.452 degrees


Resolution: 1867x1867

Locations: IAS Observatory, Hakos, Namibia, Namibia

Comments

Sky plot

Sky plot

Histogram

M 55, 



    
        

            Walter Gröning