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IC 4603 is an reflection nebula in the constellation Ophiuchius not far from the star Antares.
Distance: ~500 light years
Camera: SBIG ST-10XME
Telescope: Astrophysics Starfire 140 EDT F7.5
Mount: Astro-Physics Mach1 GTO with Advanced Telescope Systems portable pier
Images: An LRGB image with 106 subexposures of 5 or 3 minutes each with 7@5min of lum, 21@5min & 6@3min of red, 23@5min & 11@3min of green, & 27@5min & 11@3 min of blue for a total time of 9 hours & 54 minutes. I created a superlum for this image by combining all lum and individual colors as b&w.
Date: June 2013
Software: Camera, mount, and guider control - CCD Commander & MaximDL; calibration, stacking, & color creation in CCDStack, and further processing in Photoshop CS6.