Ngc 4151 is a barred spiral galaxy in constellation Canes Venatici. It shows a very bright center, and two diffuse arms. Maby, the galaxy was interacting with the small dwarf galaxy on the left side.
There are also two stellar streams visible, one to the north and one to the south.
Location: Gahberg observatory, Upper Austria
Telescopes: Lacerta Newtonian 10" f/4 for Luminance, Newtonian 5" f/5 for RGB - captured simultaneosly
Mount: ASA DDM 60 pro
Camera: Sbig ST2000XM for Lumiance, SXV-H9 for RGB
Filters: Baader LRGB
Exposure: Luminance 57x10 minutes, RGB 23x10 minutes each
Processing: CCD Stack, PS CS2
Date: 2015-03-17 + 18