Nebulae  Back to Photo Gallery - Nebulae
 M17 - Omega Nebula Wide Field 


M17
M18 e Vdb121
IC4706/IC4706
SH2-47
VdB120
??
   

Optics: Takahashi FSQ-106EDXIII F/3.6 383mm. - APO Refractor
Mount: SW HEQ5 Pro
Camera: ATIK 383L+ with SX USB Filter Wheel
Filters: Baader LRGB 2"
Guiding Systems: SX OAG with SX Lodestar
Dates/Times: 29 August 2011
Location: Pragelato - Turin - Italy
Exposure Details: R:G:B => 35:35:35 = > (7x5):(7x5):(7x5) All Bin1 [num x minutes]
Cooling Details: -20 C
Acquisition: Maxim DL/CCD, Perseus
Processing: CCDStack, PixInsight, PS CS2
Mean FWHM: 3.29
SQM-L: 21.07