Caldwell 4 NGC 7023 vdB 139
Constellation: Cepheus
Distance: 1.4 kly
Type: Open Cluster and Nebula
Imaging Location: Didsbury AB Canada
Imaging Platform: Astro Tech 10" RC AP67FR QSI583wsg
Mount: Mesu 200
Guiding Setup: offaxis with Lodestar x2
Exposure: 5x600 RGB 6x900 Lum
Date: 2014-08-27
Exposure: 13x300 RGB Binned 2X2 13x600 Lum Binned 1x1
Date: 2014-08-29
Software: MaximDL, Images Plus, RegiStar, Photoshop CS6