Spiral Galaxy M94 (NGC 4736), type Sb, in Canes Venatici.
RA 12 : 50.9 (h:m); DEC +41 : 07 (deg:m); Distance 14,5 million light years;
Visual Brightness 8.2 (mag); Apparent Dimension 7x3 (arc min).
Spiral galaxy M94 was classified Sb because of its extremely bright inner region, which is surrounded by a ring of active star-forming regions.
The distance of M94 is not yet well-determined; Tully gives about 14 million light years, Burnham 20, Kenneth Glyn Jones 33 million light years.
Source and more: SEDS
April 6, 2008 21:04 - 21:45 UT.
Imaging: William Optics Zenithstar 80 ED II APO, f/6.8 [focal length 545 mm], Astronomik LRGB Filters; ATK16IC camera.
Exposures: L: 5x300s [1x1], RGB: 3x60s [2x2] unguided.
March 20, 2007 21:35 - 21:45 UT.
Imaging: William Optics Zenithstar 80 ED II APO, f/6.8 [focal length 545 mm], Astronomik L-Infra Red Blocking Filter; SC3a b/w RAW camera.
26 unguided exposures of 20 seconds.