Contains: M 13, Great Cluster in Hercules, NGC 6205
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Messier 13

Technical card

Imaging telescope or lens: Celestron Edge HD 14

Imaging camera: Apogee U16M

Mount: CGE Pro

Guiding camera: Celestron Skyris 274M

Software: photoshopMaxim DLBliss MetaGuideAndre Paquette Custom

Filter: Baader LRGB 2" square

Resolution: 4096x4096

Dates: July 4, 2017

Frames: 20x900"

Integration: 5.0 hours

Avg. Moon age: 10.56 days

Avg. Moon phase: 81.28% job: 1644088

RA center: 250.430 degrees

DEC center: 36.446 degrees

Pixel scale: 0.476 arcsec/pixel

Orientation: 178.700 degrees

Field radius: 0.383 degrees

Locations: Barred Owl Observatory, Ottawa, Ontario, Canada


Here is 5 hours of exposure of Messier 13 from the night of July 4th.
Exposures were 15 minutes each, in R, G, and B.


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Sky plot

Sky plot


Messier 13, apaquette