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Contains:  NGC 6207, M 13, Great Cluster in Hercules, NGC 6205
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M13: The Great Globular Cluster, 


            Toshiya Arai
M13: The Great Globular Cluster

M13: The Great Globular Cluster

Technical card

Imaging telescope or lens:Takahashi CCA250

Imaging camera:QHYCCD QHY16200A Mono

Mount:Skywatcher EQ8

Guiding telescope or lens:Takahashi GT-40

Guiding camera:Starlight Xpress Lodestar2

Software:PixInsight 1.8Adobe Photoship CC 2017FlatAidePro

Resolution: 3053x3052

Dates:March 7, 2017April 28, 2017

Astrodon True Balance E series II Luminance: 32x600"
Astrodon True Balance E series II Red, Green, Blue: 30x300"

Integration: 7.8 hours

Avg. Moon age: 5.92 days

Avg. Moon phase: 39.00% job: 1976149

RA center: 250.423 degrees

DEC center: 36.459 degrees

Pixel scale: 0.990 arcsec/pixel

Orientation: 358.016 degrees

Field radius: 0.593 degrees

Locations: Tarobo, Gotenba-city, Shizuoka, Japan; Saruta Shrine, Asahi city, Chiba pref., Japan



Toshiya Arai
License: None (All rights reserved)

Sky plot

Sky plot


M13: The Great Globular Cluster, 


            Toshiya Arai