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


            Brice Blanc
M13 LRGB - Great Gobular Cluster in Hercules

M13 LRGB - Great Gobular Cluster in Hercules

Technical card

Imaging telescope or lens:Celestron C8

Imaging camera:ASI 1600MM-Cooled

Mount:Orion EQ-G Atlas

Guiding telescope or lens:Altair Astro Guide Scope

Guiding camera:ASI ZWO 120MC

Focal reducer:Antares f6.3 Inkscape

Filter:Astronomik LRGB 1.25" Type IIc

Resolution: 4685x3123

Dates:April 14, 2019

Frames: 90x120"

Integration: 3.0 hours

Avg. Moon age: 9.23 days

Avg. Moon phase: 69.14% job: 2653103

RA center: 250.421 degrees

DEC center: 36.459 degrees

Pixel scale: 0.470 arcsec/pixel

Orientation: 89.847 degrees

Field radius: 0.368 degrees

Locations: Home, Entre Deux Guiers, Isere, France

Data source: Backyard


I gave this one a new try but with my ASI 1600 and LRGB set of filters this time. I took about twice as much pictures as the amount selected for integration. The moon dramaticaly reduced the SNR ratio on the first part of the night and some wind screwed the guiding on some subs. I however managed to save 3 hours of integration time, here is the result. Clear Sky, enjoy and please comment. Peace, Brice



Brice Blanc
License: None (All rights reserved)

Sky plot

Sky plot


M13 LRGB - Great Gobular Cluster in Hercules, 


            Brice Blanc