Nebulae  Back to Photo Gallery - Nebulae
 NGC 7023 and SH2-136 






Optics: Takahashi FSQ-106EDXIII F/3.6 383mm. - APO Refractor
Mount: AP Mach1 GTO on Gemini Q-Lock tripod
Camera: ATIK 383L+ with SX USB Filter Wheel
Filters: Baader LRGB 2"
Guiding Systems: SX OAG with SX Lodestar
Dates/Times: 27/28 Maggio 2011
Location: Pragelato - Torino - Italy
Exposure Details: L:R:G:B => 96:14:14:14 = > (12x8):(2x7):(2x7):(2x7) all Bin1 [num x minutes]
Cooling Details: -20 C
Acquisition: Maxim DL/CCD, Perseus
Processing: CCDStack, PS CS2,GradientX
Mean FWHM: 4.65"
SQM-L: 21.02