The Double Cluster, Caldwell 14, NGC 884 and NGC 869
(click for full-size image)
Optics: Stellarvue 115 f/7, Astro-Tech AT2FF Field Flattener
Camera: QSI 683wsg @ -25C
Filters: Astrodon Tru-Balance Gen 2 E Series LRGB
Mount: Losmandy G11-G2 with OPW
Guiding: OAG with Starlight Xpress Lodestar Auto Guider / PHD Guiding
Location: North Attleboro, Massachusetts
~2.5 hours exposure, 10/11/2012
L:R:G:B 88m:20m:20m:20m (22x4min : 10x2m : 10x2m : 10x2m) binned 1:2:2:2
Captured with Sequence Generator Pro
Processed with PixInsight and Photoshop CS6