M 51 (NGC 5194) Galaxy in Canes Venatici

Located at: RA 13 hours 29 minutes 53 seconds; Dec +47 degrees 11 minutes 48 seconds

Size: 10.3' x 8.1'; Magnitude: 9.0 blue; Class: SA(s)bc pec

Note: The smaller galaxy attached to M 51 is NGC 5195. The two galaxies are interacting, and are also known as Arp 85

Size: 5.4' x 4.6'; Magnitude: 10.5 blue; Class: IO pec

North is up

West to the right

Telescope:

 8" f5 Newtonian reflector

Camera:

  ST-8XME, self-guided, binned 1x1, temp -20c, camera control MaxIm DL 4.56

Image:

Red (Hoya 25A) filter, 270 minutes (27 x 10 minute subs), 05/11/12/2007

Processing:

CCDStack 1.2, Photoshop 7.0

Location:

 Rolling Roof Observatory, Thousand Oaks, CA 91360 (+34d 13m 29s -118h 52m 20s)

Notes:

This image replaces a red-filtered 75 minute Track & Accumulate image from 04/17/2006. See here for a 14.5" Newtonian image on hypered Tech Pan 2415