Stack of four 10-minute exposures with Canon 20Da at ISO400 and with 5-inch AP scope at f/4.5. Taken April 28.
Stack of two 10-minute exposures with Canon 20Da at ISO400 and with 5-inch AP scope at f/4.5. Taken April 27.
The Leo Trio or Triplet of spiral galaxies — Messier 65 (right), Messier 66 (left) and the edge-on galaxy NGC 3628 (top), three bright galaxies for small telescopes below the star Chertan in eastern Leo. This is a stack of 10 x 6-minute exposures at ISO 800 with the Canon EOS Ra through the SharpStar 94mm EDPH apo refractor with its dedicated field flattener/reducer for f/4.5. Auto-guided with the Lacerta MGEN3 stand-alone auto-guider which dithered the images by 5 pixels between each exposure. No darks applied.