Last Saturday night is was one of the very scarce clear nights in wintery Holland. I took the Heart & Soul nebula in Cassiopeia in 5 frames each 4 minutes at 1600 ASA on EOS 7 with Canon 70-300L f/5.6 at full aperture 300mm.
I used an Astronomik CLS filter.
Here my other pics.
http://skysurfer.eu/skypics.php