CTB1 Supernova Remnant: 8/10/24
Cygnus Loop: 7/14/23
SH2-240: 11/26/22
NGC6960: 7/9/21
SH2-240: 11/14/2020
NGC 6979: 8/13/2015
M1: 11/7/2015
NGC 6960 - 06/27/2014
Abell 85:: 8/07/2010
IC 443: 04/09/2010
SH2-224: 10/12/12
NGC 6992: 2/22/2009