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


            Tim Stone

M13 Multi-Instrument

Technical card

Resolution: 4007x4007

Dates:July 4, 2013May 7, 2014May 23, 2014

Astrodon E-series 2 L: 6x300" -20C bin 2x2
Astrodon E-series 2 L: 16x300" -30C bin 1x1
Astrodon E-series B: 6x300" -20C bin 2x2
Astrodon E-series B: 8x300" -30C bin 1x1
Astrodon E-series G: 8x300" -30C bin 1x1
Astrodon E-series G: 6x300" -30C bin 2x2
Astrodon E-series R: 6x300" -20C bin 2x2
Astrodon E-series R: 8x300" -30C bin 1x1

Integration: 5.3 hours

Avg. Moon age: 19.35 days

Avg. Moon phase: 31.55% job: 291671

Locations: Sugar Grove Observatory, Funks Grove, IL, United States; Prairie Sky Observatory, Funk's Grove, IL, United States


This is a composite of wide-angle image data from the Takahashi CCA250, acquired in May 2014, and the PlaneWave CDK17 from July 2013. To acquire an image of this scale with the 17" would have required a lot more hours of imaging, so adding its higher resolution data on M13 and nearby objects to the lower resolution wide-angle data makes a pleasing image without so much time commitment.

Image acquired at Sugar Grove Observatory and Prairie Sky Observatory, facilities of Twin City Amateur Astronomers (



Tim Stone
License: None (All rights reserved)


  • M13 Multi-Instrument, 


            Tim Stone
  • Final
    M13 Multi-Instrument, 


            Tim Stone


M13 Multi-Instrument, 


            Tim Stone