Caldwell 4 NGC 7023 vdB 139
Constellation: Cepheus
R.A.: 21h01m36.0s
Dec.: +68°09'52"
Distance: 1.4 kly
Type: Open Cluster and Nebula
Imaging Location: Didsbury AB Canada
Imaging Platform: C14 Hyperstar QSI540
Mount: CGE PRO
Guiding Setup: SSAG Orion Short Tube 80
Exposure: 5x240 RGB
Date: 2009-11-07
Software: MaximDL, Images Plus, PHD, Photoshop CS3 Pixinsight