Stack of two 16-minute exposures with Canon 20Da at ISO400 and with 4-inch AP scope at f/6 with 6x7 field flattener. Taken April 18.
Markarian's Chain area of the Coma-Virgo galaxy cluster, with M84 and M86 at top and M87 at bottom left. Includes the Eyes, NGC 4435 and 4438. This is a stack of 6 x 5 minute exposures with the 92mm TMB apo refractor and Borg 0.85x reducer/flattener for f/4.5, and Canon 7D at ISO 800. Taken April 24, 2011.
The heart of the Coma-Virgo galaxy cluster known as Markarian’s Chain, with bright M84 and M86 at right of centre and M87 at lower left. The rest of the chain and group are made of fainter NGC and IC galaxies. Galaxies to about 15th magnitude are recorded. This is a stack of 12 x 8-minute exposures with the Canon EOS Ra at ISO 800 and SharpStar 100QII apo astrograph at f/5.8. Stacked and aligned in Photoshop. Taken from home March 25, 2020. Starizona Galaxy Enhance action applied.
