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Contains:  M 15, NGC 7078
Getting plate-solving status, please wait...
M15, 



    
        

            Roberto Marinoni
M15
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M15

Technical card


Dates:Sept. 4, 2019Sept. 28, 2019Sept. 30, 2019Dec. 7, 2019

Frames:
Astrodon Tru-Balance Gen2 E-Serie 50mm B: 10x300" -20C bin 2x2
Astrodon Tru-Balance Gen2 E-Serie 50mm B: 15x15" -30C
Astrodon Tru-Balance Gen2 E-Serie 50mm G: 12x300" -20C bin 2x2
Astrodon Tru-Balance Gen2 E-Serie 50mm G: 15x15" -30C bin 2x2
Astrodon Tru-Balance Gen2 E-Serie 50mm L: 34x300" -20C bin 2x2
Astrodon Tru-Balance Gen2 E-Serie 50mm L: 15x15" -30C bin 2x2
Astrodon Tru-Balance Gen2 E-Serie 50mm R: 11x300" -20C bin 2x2
Astrodon Tru-Balance Gen2 E-Serie 50mm R: 15x15" -30C bin 2x2

Integration: 5.8 hours

Darks: ~15

Flats: ~15

Flat darks: ~15

Avg. Moon age: 11.80 days

Avg. Moon phase: 28.95%

Mean SQM: 21.43


Basic astrometry details

Astrometry.net job: 3121189

RA center: 21h 29' 59"

DEC center: +12° 10' 4"

Pixel scale: 1.017 arcsec/pixel

Orientation: 89.857 degrees

Field radius: 0.381 degrees


Resolution: 2084x1711

Locations: Promiod, Aosta, Val d'Aosta, Italy

Data source: Own remote observatory

Remote source: Non-commercial independent facility

Description

M15 is a globular cluster in the constellation of Pegasus; it has an apparent diameter of
18’ and magnitude 6.2.
The cluster contains many variable stars, as many as 110, which allowed us to estimate a distance of 33,600 light years.
This cluster has two peculiar characteristics: it is one of the densest in the Milky Way and contains a planetary nebula (Pease 1, discovered in 1927 on photos taken by the Mount Wilson Observatory)

www.robertomarinoni.com

Comments

Author

Bluesky71
Roberto Marinoni
License: None (All rights reserved)
1370
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Revisions

  • M15, 



    
        

            Roberto Marinoni
    Original
  • Final
    M15, 



    
        

            Roberto Marinoni
    B

Sky plot

Sky plot

Histogram

M15, 



    
        

            Roberto Marinoni

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Imagers of Italy