Nebulae  Back to Photo Gallery - Nebulae
 B33 Dark nebula 

Full   Resolution 925 x 913

Optics: GSO RC 10" Reduced to F/5.3 1320mm. With AP-CCDT67 - Astrograph Ritchie-Chrétien
Mount: AP Mach1 GTO on Gemini Q-Lock tripod
Camera: ATIK 4000LE with SX USB Filter Wheel
Filters: Baader LRGB 2"
Guiding Systems: SX OAG with SX Lodestar
Dates/Times: 9 Dicembre 2010
Location: Colle Vaccera- Torino - Italy
Exposure Details: L:R:G:B => 75:25:25:25 = > (15x5)bin2:(5x5)bin2:(5x5)bin2:(5x5)bin2 [num x minutes]
Cooling Details: -20 °C
Acquisition: Maxim DL/CCD, Perseus
Processing: Maxim DL/CCD, DSS, PS with Noel Action
Mean FWHM: 3.30
SQM-L: 20.8