Combination of 20, 3 minute exposures.
SBIG STL-1001E CCD. 20" f/6.8 Dall-Kirkham cassegrain telescope at prime focus.
Abell 10 is one of the "easier" Abell planetaries. Located in Orion, the published magnitude is quoted as 14.7 and the size is about 0.6 arc minutes.