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Contains:  NGC 6207, M 13, Great Cluster in Hercules, NGC 6205
Getting plate-solving status, please wait...
M13 revisited, 





    
        

            Stelios Touchtidis
M13 revisited

M13 revisited

Technical card

Resolution: 3432x2464

Dates:July 22, 2017

Frames:
ZWO 31 mm Lum: 84x30" (gain: 139.00) -15C
ZWO 31 mm RGB: 44x60" (gain: 139.00) -15C

Integration: 1.4 hours

Darks: ~50

Flats: ~30

Bias: ~100

Avg. Moon age: 28.48 days

Avg. Moon phase: 1.24%

Bortle Dark-Sky Scale: 3.00

Astrometry.net job: 2345758

RA center: 250.426 degrees

DEC center: 36.454 degrees

Pixel scale: 1.315 arcsec/pixel

Orientation: 32.922 degrees

Field radius: 0.772 degrees

Locations: Lockwood Valley, Lockwood Valley, CA, United States

Data source: Traveller

Description

I revisited M13 (see earlier DSLR image) with same scope but better mount and camera. This may undergo a revision or two, but I like it enough to post it. Processed in Pixinsight.

Comments

Author

Stelios
Stelios Touchtidis
License: None (All rights reserved)
2440
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Revisions

  • M13 revisited, 





    
        

            Stelios Touchtidis
    Original
  • Final
    M13 revisited, 





    
        

            Stelios Touchtidis
    B

B

Revised to enhance colors and denoise.

Sky plot

Sky plot

Histogram

M13 revisited, 





    
        

            Stelios Touchtidis