NGC 891 - 10.9.2015 at 23.00 Helsinki Observation number 42541

Visibility IV / V

Tero Hiekkalinna, Ursa (Helsinki)

My first galaxy image of the fall. But what are the two small galaxies in the direction of about four o'clock?

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8 9

Additional information

Observation target
- Deep space object
Designation
- NGC 891
- Näyttävä

Constellation
- Andromeda
Galaxies
- Spiral galaxy
  
  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

http://www.astrobin.com/210181/

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NGC 891 - 10.9.2015 at 23.00 Helsinki Observation number 42541