Nebulae  Back to Photo Gallery - Nebulae
 SH2-155 - The Cave Nebula 

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" - H-Alpha 7nm
Guiding Systems: SX OAG with SX Lodestar
Dates/Times: 9 August 2011
Location: Pragelato - Turin - Italy
Exposure Details: H:R:G:B => 120:25:20:30 = > (8x15)bin1:(5x5)bin2:(4x5)bin2:(6x5)bin2 [num x minutes]
Cooling Details: -20 C
Acquisition: Maxim DL/CCD, Perseus
Processing: CCDStack, PixInsight, PS CS2
Mean FWHM: 3.18
SQM-L: 75% Moon