https://www.astrobin.com/users/Rich-sky/
M27
https://www.astrobin.com/417152/?nc=user
M63
https://www.astrobin.com/417118/B/
M92
https://www.astrobin.com/417034/
M13
https://www.astrobin.com/416267/
M17
https://www.astrobin.com/417026/B/
M16
https://www.astrobin.com/416737/B/
M42
https://www.astrobin.com/416261/
M51
https://www.astrobin.com/416250/
M57
https://www.astrobin.com/416687/
M101
https://www.astrobin.com/416558/
NGC 2244
https://www.astrobin.com/416429/