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  2. Messier 39 - Wikipedia

    en.wikipedia.org/wiki/Messier_39

    Messier 39 or M39, also known as NGC 7092, is an open cluster of stars in the constellation of Cygnus, sometimes referred to as the Pyramid Cluster. It is positioned two degrees south of the star Pi Cygni [ 7 ] and around 9° east-northeast of Deneb . [ 8 ]

  3. List of astronomical catalogues - Wikipedia

    en.wikipedia.org/wiki/List_of_astronomical...

    St / Stock — Jürgen Stock (open star clusters) (Stock 1 and 2 in, [39] Stock 3 to 23 in, [40] Stock 24 in [41]) Stone — Ormond Stone (double stars) Streicher — (telescopic asterisms) Stromlo — (for example: Stromlo 2 in Monoceros and Canis Major, at IC 2177; the 'Eagle Nebula') StWr — Stock-Wroblewski (planetary nebulae) Sw — Swift ...

  4. United States Marine Corps Designated Marksman Rifle

    en.wikipedia.org/wiki/United_States_Marine_Corps...

    Stock: McMillan Tactical M2A fiberglass stock. This particular stock features a pistol grip and a buttstock with adjustable saddle cheekpiece. [10] Optics: An over-action MIL-STD-1913 Picatinny rail allows for the use of any optic compatible with the rail; this includes a rather large variety of military scopes and imaging devices. [11]

  5. Messier 29 - Wikipedia

    en.wikipedia.org/wiki/Messier_29

    Messier 29 or M29, also known as NGC 6913 or the Cooling Tower Cluster, is a quite small, bright open cluster of stars just south of the central bright star Gamma Cygni of a northerly zone of the sky, Cygnus.

  6. M39 series 5-ton 6×6 truck - Wikipedia

    en.wikipedia.org/wiki/M39_series_5-ton_6×6_truck

    The M39 series 5-ton 6×6 truck was a family of heavy tactical trucks built for the United States Armed Forces. The basic cargo version was designed to transport a 5-ton (4,500 kg), 14 ft (4.3 m) long load over all terrain in all weather.

  7. List of the United States military vehicles by model number

    en.wikipedia.org/wiki/List_of_the_United_States...

    M39 armored utility vehicle, full-track, converted M18 M41 Walker Bulldog tank, light, 23.5-ton, 76 mm gun M41A1 tank, combat, light, pintle mounted mg, full-track, 76 mm

  8. M39 lens mount - Wikipedia

    en.wikipedia.org/wiki/M39_lens_mount

    The M39 lens mount is a screw thread mounting system for attaching lenses to 35 mm cameras, primarily rangefinder (RF) Leicas. It is also the most common mount for Photographic enlarger lenses. True Leica Thread-Mount (LTM) is 39 mm in diameter and has a thread of 26 turns-per-inch or threads-per-inch (tpi) (approximately 0.977 mm pitch) of ...

  9. M39 Enhanced Marksman Rifle - Wikipedia

    en.wikipedia.org/wiki/M39_Enhanced_Marksman_Rifle

    M39 Enhanced Marksman Rifle in use with a U.S. Marine. The EMR is primarily used by a designated marksman , to provide precision fire for units that do not rate a scout sniper . As a replacement for the DMR, the EMR fills the need for a lightweight, accurate weapon system utilizing a cartridge more powerful than the M16A4's standard 5.56×45mm ...