NGC 4609 "Coaldust" Cluster (my name) in Crux and in Coal Sack with 4-inch Astro-Physics refractor at f/4.5 with compressor/field flattener and with APS-frame size Canon 20Da camera at ISO400 for stack of 4 x 8 minute exposures. Shot from Coonabarabran, Australia, March 24, 2007.
NGC 4755 Jewel Box Cluster near Coal Sack and with Mimosa (Beta Cruxis) and its red companion star in the field. With Astro-Physics 4-inch Traveler apo refractor at f/6 with Hutech-modified Canon 5D camera at ISO800 for 3 minutes. Stack of 4 exposures. Taken from Coonabarabran, NSW, Australia, July 2006.
NGC 4755, the Jewel Box Cluster in Crux, near Beta Cruxis. This is a stack of 2 x 4-minute exposures at ISO 400 with the Canon 20Da and Astro-Physics 105mm refractor at f/6. Taken from Coonabarabran, NSW, Australia.
