Contact information

Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki

Ursa Astronomical Association

M45 - 4.9.2021 at 01.30 - 4.9.2021 at 03.30 Järvenpää Observation number 100961

Visibility III / V

Eemil Pietilä, Ursa (Etelä-Suomi)

Seulaset was chosen as the first deep sky destination this autumn. An easy destination to start the season. About 200 images have been stacked for this, ie a total of about 2 hours of front exposure.

More similar observations
Additional information
  • Observation target
    • Deep space object
  • Darkness
    • Average
  • Star clusters and asterisms
    • Open cluster info

      Open cluster is an irregular group of tens or hundreds of stars. It can be visible as separate stars or a bit fuzzy spot with small instrument.

      There is the open cluster M52 on the right edge of the image. The red emission nebula is the Bubble Nebula. Image Jyrki Grönroos.


      The open cluster M45 aka Pleyades. Image Juha Parvio.


      The pair of the open clusters NGC 869 and NGC 884 aka the Double Cluster in Perseus. Image Lauri Kangas.


      M34 is also an open cluster in Perseus. Image Teppo Laitinen.


      The Wild Duck Cluster M11 is an exceptional dense open cluster. Image Jaakko Asikainen.



      The Ptolemy's Cluster M7 is located in a rich-star area of The Milky Way in Sagittarius. Image Toni Veikkolainen.

  • Designation
    • M45
  • Weather
    • Taivas oli täysin selkeä. Ainut miinus oli navakka tuuli, joka saattoi välilä heiluttaa kameraa.
Technical information

80 mm Orion ST80-A lens telescope, F400 mm, f / 5.0, Canon EOS 450D, ISO 1600, 30 sec, iOptron Skyguider Pro

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