M17 Swan or Omega Nebula and M18 cluster below. Taken with 4-inch Astro-Physics Traveler apo refractor at f/6 with 6x7 field flattener, and Hutech-modified Canon 5D camera at ISO 800 for stack of 4 x 7 minute exposures. Taken from Coonabarabran, NSW, Australia, April 23, 2007. Some trailing from scope pointing straight up and causing guiding errors as scope wandered from being too in balance.
Taken with 4-inch Traveler AP refractor at f/4.5 for 4 x 4-minute exposures at ISO800. Taken from Coonobarabran, Australia, July 26, 2006. Taken with Canon 20Da camera.
M19 globular cluster, in rich Milky Way star field of Ophiuchus near Antares. Shot May 5, 2013 from home with object very low in south in pre-dawn hours. This is a stack of just 2 exposures, 2 x 6 minutes at ISO 800 with the Canon 60Da and 130mm Astro-Physics refractor at f/6.
