That comet is quite fun to hunt, easy to find really. Been having some testing with just 35mm lens, since me asiair mini is still on the way to me.

Here is couple images. Took 30x 13s exposures with my 35mm sigma and to realise i had forgotten f1.4 so got bit bright startup =) Here is what i managed to cook out from it.

Start screen by Kari, on Flickr

That is the 30x 13s f1.4 iso 5000 stack with NiSi naturalnight filter with 15x dark framaesAfter cropping and digging by Kari, on Flickr

This after some serious cropping and digging etc =)