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Messier 56
(click for higher resolution image)

Optics: AG Optical 12.5" iDK @ f/6.7 l=2130mm
Camera: QSI 683wsg-8 @ -25C
Filters: Astrodon Tru-Balance Gen 2 E Series LRGB
Mount: Astro-Physics AP 1100GTO
Guiding: OAG with Starlight Xpress Lodestar X2 Guider / PHD2 Guiding
Location: North Attleboro, Massachusetts
~9.5 hours exposure over 6 nights, 2015-06-19 - 2015-06-26
L:R:G:B 4h5m:2h15m:1h35m:1h55m (49x5m : 27x5m : 19x5m : 23x5m) binned 1:1:1:1
Captured with Sequence Generator Pro
Processed with PixInsight