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Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki

Ursa Astronomical Association

NGC 3726 - 23.3.2022 at 21.25 Nakkila Observation number 105673

Visibility II / V

Juha Ojanperä, Porin Karhunvartijat

NGC 3726 is a spiral galaxy discovered by William Herschel in 1788 in the constellation of the Big Bear.

Visually, the galaxy appeared as a large, rather dim and elongated glow. The brightness distribution of the galaxy is fairly even, with a weak central brightness in the middle. The long axis of the galaxy is north-south. At the north end of the galaxy is a foreground star with a magnitude of 12.5.

Herschel's classification for the object was H II-730, i.e. Class 7, "dim fogs," the 730th object.

#Herschel 400

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Additional information
  • Observation target
    • Deep space object
  • Designation
    • NGC 3726
  • Constellation
    • Ursa Major
  • Brightness in magnitudes
    • 10.9
  • Field of view
  • 58 arc minutes
  • Magnification
    • 71
  • Weather
    • Selkeää, tyyntä, ei kuuta, lumet enimmäkseen sulaneet pelloilta, +3C, SQM: 20.64

  • Galaxies
    • Spiral galaxy info

      Spiral galaxy is a stellar system where there are outwards arched spiral arms from roundish (spiral galaxies) or bar-shaped (barred spiral galaxies) central condensation.

      The apparent shape of spiral galaxied depends on out observation direction. From above they are quite round. From the side they lens-shaped with a bulge in the middle.

      Generally a rather large instrument, good weather conditions and observational expereince are needed to see spiral arms. Usually spiral galaxies look like a fuzzy spots.

      Spiral galaxy M33 in Triangulum. Image Tero Turunen.


      Andromeda Galaxy M31. There are also galaxies M110 (upper right corner) and M32 (lower left corner) in this image. Image Pekka Peura.

      M101 aka Pinwheel Galaxy in Ursa Major. Image Samuli Vuorinen.


      Spiral galaxy IC 342 aka Hidden Galaxy in Camelopardalis. Image Timo Inkinen.

      A sketch of spiral galaxy NGC 7331 in Pegasus. Image Juha Ojanperä.

Technical information

Telescope: N250 / 1200 mm, eyepiece: 17 mm Baader Hyperion, pencil drawing on cardboard, scanned and slightly improved contrast

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