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Contains:  NGC 6207, M 13, Great Cluster in Hercules, NGC 6205
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M 13, Great Cluster in Hercules, 21 Maggio 2017, 





    
        

            Ennio Rainaldi
M 13, Great Cluster in Hercules, 21 Maggio 2017

M 13, Great Cluster in Hercules, 21 Maggio 2017

Technical card

Resolution: 3000x2000

Dates:May 21, 2017

Frames:IDAS LPS D1: 20x240" -17C bin 1x1

Integration: 1.3 hours

Darks: ~3

Bias: ~21

Avg. Moon age: 24.65 days

Avg. Moon phase: 24.66%

Bortle Dark-Sky Scale: 4.00

Mean SQM: 18.10

Astrometry.net job: 1733225

RA center: 250.411 degrees

DEC center: 36.467 degrees

Pixel scale: 1.404 arcsec/pixel

Orientation: 74.759 degrees

Field radius: 0.703 degrees

Data source: Backyard

Description

Balcone di casa, Formigine, Modena, Italy
Trasparenza mediocre, vento.
Valore max SQM misurato: 18,10

Comments

Author

reynolds
Ennio Rainaldi
License: None (All rights reserved)
821
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Revisions

  • M 13, Great Cluster in Hercules, 21 Maggio 2017, 





    
        

            Ennio Rainaldi
    Original
  • Final
    M 13, Great Cluster in Hercules, 21 Maggio 2017, 





    
        

            Ennio Rainaldi
    B

Sky plot

Sky plot

Histogram

M 13, Great Cluster in Hercules, 21 Maggio 2017, 





    
        

            Ennio Rainaldi