Caldwell 9 SH2-155 Cave Nebula
Constellation: Cepheus
Distance: 2.8 kly
Type: Nebula
Imaging Location: Didsbury AB Canada
Imaging Platform: Astro Tech 8" Newt QSI583 Astrodon Ha Oiii Sii
Mount: EQ6
Guiding Setup: SSAG Quick guider
Exposure: 14ha 11oii 9sii x1200sec
Date: 2012-09-6/7
Software: MaximDL, Images Plus, Registar, Photoshop cs5