Have just processed some images of local galaxies M61, M83 and NGC4945 that I took this morning just for fun.
Each image is 5 x 5 s, 5 x 10 s, 5 x 20 s and 5 x 30 s frames stacked in Iris. Total exposure time 325 s.
2k x 2k (13.5 um) pixel camera cooled to -55C on 1 metre telescope.
Mick