M20 (The Trifid Nebula) Technical Details Optics Phillips 24-inch RCOS Telescope Camera SBIG STL11000 Exposure RGB = 80:50:55 (3.08 hours) Object Types Emission Nebula Constellation Sagittarius Creator Adam Block
M17 (The Swan Nebula), 2009 Technical Details Optics Phillips 24-inch RCOS Telescope Camera SBIG STL11000 Exposure RGB = 60:60:60 (3 hours) Object Types Emission Nebula Constellation Sagittarius Creator Adam Block Dates Nov. 9, 2009 Copyright Copyright by Creator(s), Mount Lemmon SkyCenter, and University of Arizona.
M16 (The Eagle Nebula), 2014 Technical Details Optics Schulman 32-inch RCOS Telescope Camera SBIG STX16803 Exposure RGB = 180:180:180 (9 hours) Object Types Emission Nebula Constellation Serpens Creator Adam Block
M16 (The Eagle Nebula), 2008 Technical Details Optics Phillips 24-inch RCOS Telescope Camera SBIG STL11000 Exposure LRGB = 110:40:40:40 (3.83 hours) Object Types Emission Nebula Constellation Serpens Creator Adam Block
M15 Technical Details Optics Schulman 32-inch RCOS Telescope Camera SBIG STX16803 Exposure RGB = 120:120:120 (6 hours) Object Types Globular Cluster Constellation Pegasus Creator Adam Block Dates Dec. 1, 2015
M13 Technical Details Optics Schulman 32-inch RCOS Telescope Camera SBIG STX16803 Exposure RGB = 300:300:300 (15 hours) Object Types Globular Cluster Constellation Hercules Creator Adam Block Dates May 1, 2016
M8 (The Lagoon Nebula), 2015 Technical Details Optics Schulman 32-inch RCOS Telescope Camera SBIG STX16803 Exposure RGB = 240:240:240 (12 hours) Object Types Emission Nebula Constellation Sagittarius Creator Adam Block
M8 (The Lagoon Nebula), 2010 Technical Details Optics Phillips 24-inch RCOS Telescope Camera SBIG STL11000 Exposure RGB = 60:36:60 (2.6 hours) Object Types Emission Nebula Constellation Sagittarius Creator Adam Block
M5 Technical Details Optics Schulman 32-inch RCOS Telescope Camera SBIG STX16803 Exposure RGB = 40:40:40 (2 hours) Object Types Globular Cluster Constellation Serpens Creator Adam Block Dates March 1, 2012
M4 Technical Details Optics Schulman 32-inch RCOS Telescope Camera SBIG STX16803 Exposure RGB = 50:50:50 (2.5 hours) Object Types Globular Cluster Constellation Scorpius Creator Adam Block Dates June 1, 2014