M45 - 1.12.2021 at 20.30 Helsinki Observation number 102694

Visibility III / V

Tuomas Salo, Ursa (Helsinki)

I photographed the Pleiades or Screens and exposed 21 seconds of exposure to 21 songs for a total of 42 seconds. The aperture was 5.6. Stacked images with DeepSkyStacker. The distance of the constellation from the earth is 444.2 light-years.

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Additional information

Observation target
- Deep space object
Designation
- M45
Constellation
- Taurus

Weather
- Sää oli pilvetön ja selkeä.
Star clusters and asterisms
- Open cluster
  
  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.

Technical information

Camera Nikon D5100. Lens sigma 400mm tele. Tripod Gitza Gilux Reporter.

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M45 - 1.12.2021 at 20.30 Helsinki Observation number 102694