Open cluster M93 in Puppis. Taken from Timor Cottage, Coonabarabran, NSW, Australia, December 12, 2010. This is a stack of 5 x 6 minute exposures at ISO 1600 with Canon 5D MkII camera on 105mm Astro-Physics Traveler apo refractor at f/5.8 with 6x7 field flattener.
Stack of four 10-minute exposures with Canon 20Da at ISO400 and with 5-inch AP scope at f/4.5. Taken April 25.
This is Messier 94, the bright face-on spiral galaxy in Canes Venatici. Note the outer faint ring of starlight. The galaxy was discovered by Pierre Mechain in 1781. Charles Messier observed and catalogued it that year. This is a stack of just 5 x 8-minute exposures with the Canon EOS Ra at ISO 800 through the SharpStar 140mm refractor at f/6.5 with no field flattener.
