M82
Sunday, March 31st 2013 - 22:12 (UTC) - focal ratio f/5
With ASI120MM camera, 180 x 3.6 second(!) exposures. First light with the 16" Dobson under my ownership!
The seeing was poor/decent.
equipment used
40 cm Dobson made by Rik ter Horst
ZWO ASI120MM
40 cm Dobson made by Rik ter Horst
ZWO ASI120MM
