Deep Sky Object in Spring
M94(Galaxy in Canes Venatici)
|Date & Time: ||Dec 27 2003, from 27:22 to 27:43 JST(+0900)
|Composed 3 shots with 8 minutes exposed|
|Optical: ||Meade 25cm(10") Schmidt-Cassegrain with conversion lens (f=1600mm, F6.3)
|Auto-guided with Meade LX200 Equatorial & Pictor 201XT
|Digital Camera: ||Fujifilm FinePix S2 Pro
|Location: ||Ooizumi vil., Yamanashi pref.
|Camera Settings: ||Recording Format...12bit CCD-RAW, converted to 16bit TIFF(3024×2016)|
|CCD Sensitivity...ISO1600, White Balance...Auto|
M94 (NGC4736) is a large galaxy positioned around the center of Canes Venatici.
The galaxy is found to draw a line between Cor Caroli and beta CVn, and at the halfway point draw a perpendicular off to the northeast.
M94 is a circular galaxy with about 10 arc minutes diameter and 9th magnitude, it might be easily detected only with small binoculars as a blurred star-like image.
The galaxy is conspicuous that has a very bright nucleus, you may miss M94 in not so clear sky because it looks like a normal star.
|M94 (NGC4736) / Galaxy, type (R)SA(r)ab II|
|R.A.||12h 50m 53.6s (2000.0)|
|Dec.||+41° 07' 10" (2000.0)|
|Distance||14 million light yrs.|
|Group of Galaxies||Canes I Group|
|Other IDs||UGC7996, MCG7-26-58, |
This image shows the galaxy is face-on, and very dimmed beam of light spreading around the nucleus.
The galaxy lies on about 14 million light years away, and has a span of about 140 thousand light years.