Ok not quite a marathon, but I've had some great success at getting a few galaxies up here in the UK after some nice spring weather!
M100
http://www.mattastro.com/gallery/m100_med.jpg
Cocoon Galaxy (NGC4490)
http://www.mattastro.com/gallery/ngc4490_med.jpg
M106
http://www.mattastro.com/gallery/m106_2_med.jpg
Whirlpool Galaxy (M51)
http://www.mattastro.com/gallery/med...6apr2015_2.jpg
All taken through Skywatcher 250px
Modded Canon 1000D
CLS Filter Clip
ISO 800
sessions of multiple 5 or 6 minute exposures
Darks on the fly (noise reduction on)
Flats & Bias