M109 = NGC3992 ( 11h 57.6m +53°23´, 9.8 mag. )
This beautiful barred spiral galaxy in Ursa Major was discovered by Mechain on February 16, 1781.
M109 howitzerM10 motorwayM10 TV
M10 WolverineM11M110
M110 203mm Self-Propelled HowitzerM110 howitzerM1117 Armored Security Vehicle ...
M109 howitzer
The M109 is an United States-made Self-propelled artillery 155 mm howitzer, first introduced in the early 1960s.
On our way to our final destination, M109, we will quickly encounter two dim, small galaxies. These are the elongated galaxies NGC 3953, and the barred spiral NGC 4088. They are both about 1/10 of a degree across, and magnitude 10.
The constellation Ursa Major is the site of a spiral galaxy called M109. It is classified as a barred spiral. The elongated shape of its central core can be seen even in small instruments.
M40 Winecke 4 (double star)
M81 Bode's Galaxy or Bode's Nebula (spiral galaxy)
M82 The Cigar Galaxy (irregular galaxy)
M97 The Owl Nebula (planetary nebula)
M101 The Pinwheel Galaxy (spiral galaxy)
M108 (spiral galaxy)
M109 (spiral galaxy) ...
objects, M104 was added in 1921 by Camilille Flammarion who found it on Messier's copy of his 1781 catalogue; M105 through M107 were observed by Messier's chief comet hunting rival, Pierre Mechain (1744-1804) and were added in 1947; M108 and M109 ...
Messier Object 105 - M105
Messier Object 106 - M106
Messier Object 107 - M107
Messier Object 108 - M108
Messier Object 109 - M109
Messier Object 110 - M110
The Messier Marathon
The Week Long Messier Marathon ...
 See also: Galaxy, Star, Telescope, Sky, Time
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