Iris Nebula

Telescope Epsilon E160 on AP Mach1GTO Designation NGC7023
Focal Length F/3.3 528mm Position RA 21h 0.5m DEC 68* 12'
Guiding SX Guide head thru eFinder Type Diffuse Nebula
Control MaximDL Magnitude 7
CCD Camera Starlightxpress SXV-H9 Size 5 arcminutes
Image Scale 2.44 arcsec Distance Light years
Filters Astronomics type II RGB Constellation Cephus
Exposures 4 x 5 min Lum 1x1, 3 x 4 min ea RGB 2x2    
Calibration Flats, Bias only    
Software MaximDL, Photoshop CS2    
Date Texas Star Party 2008    
NOTES: Very dark skies gives a lot of nice detail with shorter total exposures than I have done before.