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Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki

Ursa Astronomical Association

M31 - 21.9.2022 at 22.00 - 22.9.2022 at 00.30 Nakkila Observation number 109437

Visibility IV / V

Kalle Luotola, Porin Karhunvartijat

M31 Photographed from Lake Leistilä in Nakkila. Slightly foggy and humid weather, moonless night. The temperature dropped slightly below zero and the fog cleared, improving the conditions.

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Additional information
  • Observation target
    • Deep space object
  • Designation
    • M31
  • Constellation
    • Andromeda
  • Field of view
  • 3 degrees
  • Darkness
    • Good
  • Seeing
    • Good
  • 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

Shot with Canon EOS 5dmk2 this time without light pollution filter, 2 min exposures, total 1h34min. Sky-Watcher startravel 80 as telescope. Sky-Watcher eq5 pro as tripod.

Comments: 1 pcs
Juha Ojanperä - 22.9.2022 at 13.59 Report this

Tästähän tuli hieno!

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