Open cluster NGC 5281 in Centaurus -- nebulosity above 5281 is Gum 48d. Shot with 4-inch Astro-Physics refractor at f/4.5 with compressor/field flattener and with APS-frame size Canon 20Da camera at ISO800 for stack of 4 x 4 minute exposures. Shot from Coonabarabran
Open cluster NGC 5316 in Centaurus-- nebulosity at lower right is Gum 48D, at upper left is RCW82. Shot with 4-inch Astro-Physics refractor at f/4.5 with compressor/field flattener and with APS-frame size Canon 20Da camera at ISO800 for stack of 4 x 4 minute exposures. Shot from Coonabarabran, Australia, March 24, 2007.
NGC 5460 open cluster in Centaurus. Little galaxy above is ESO 221-26. Taken with 4-inch AP Traveler apo refractor at f/4.5 with Canon 20Da camera at ISO 800 for stack of 3 x 4 minute exposures. Taken from Coonabarabran, NSW, March 24, 2007.