DeepSkyObjects.Com
Cave Nebula
SH2-155
Object
Type
Nebula
Constellation
Cepheus
Distance
More Info
Image
Date
15 Oct 2007 (Fall)
Place
Carlsbad, CA
Exposure Data
SII:Ha:OIII 60:120:60 mins @ -15C
SII 4x15 (bin 2x2), Ha 12x15 (bin 1x1), OIII 4x15 (bin 2x2) as RGB
Notes
Equipment
Optics
Takahashi FSQ-106N Refractor
Focal Length
530mm @f/5
Mount
Astro-Physics 900GTO
Camera
SBIG ST-2000XM
Focuser
Robo-Focus
Filters
CFW10A, Astrodon 6nm SII, Ha, OIII
Software
CCD Commander, Maxim DL, CCDStack, Photoshop