Spiral Galaxy M61 (NGC 4303), type SABbc, in Virgo
RA 12 : 21.9 (h:m); Declination +04 : 28 (deg:m); Distance 60 million light years;
Visual Brightness 9.7 (mag) ; Apparent Dimension 6x5.5 (arc min)
M61 is one of the larger galaxies in the Virgo cluster; its 6 arc minutes of diameter correspond to about 100,000 light years, similar to the diameter of the Milky Way galaxy
Source and more: SEDS
March 12, 2007 23:40 - 23:50 UT.
Imaged with LX200 10-inch f/10 telescope with 0.33 Focal Reducer operating at f/4.06 [focal length 1015mm], Vesta Pro-SC3a b/w RAW mode, Baader Infra Red Blocking Filter.
26 unguided exposures of 15 seconds.
April 10, 2005 22:16 - 23:01 UT.
Imaging: TAL-2M 6-inch f/8 focal reducer operating at f/4.6 [focal length 690mm], Vesta SC3a b/w RAW webcam, Baader Infra Red Blocking Filter, 25 unguided exposures of 12 seconds.