Galaxies  Back to Photo Gallery - Galaxies
 M81 - Holmberg IX - ARP Loop 

Full Resolution 1500 x 1497

ARP Loop Enhanced (RAW Data)

Holmberg IX Dwarf Galaxy (Hi-Res)

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: 5-7 February 2011
Location: Pragelato (Torino) - Alps - Italy
Exposure Details: L:R:G:B => 630:60:45:75 = > (63x10)bin1:(12x5)bin2:(9x5)bin2:(15x5)bin2 [num x minutes]
Cooling Details: -20 °C
Acquisition: Maxim DL/CCD, Perseus
Processing: CCDStack2, PS CS2, GradientXTerminator
Mean FWHM: 4.29 / 5.64 (Bad seeing but good transparency)
SQM-L: 21.22 / 21.18
NOTE: Dedicated to my wife .... my life my soul