Contact information

Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki

Ursa Astronomical Association

M22 - 4.9.2021 at 22.33 Orimattila, Artjärvi, Tähtikallio Observation number 101632

Visibility I / V

Unfortunately, this object, which is one of the brightest spherical constellations in the sky, remains on the horizon in Finland. The stars clearly remained stretched in the dispersion.

More similar observations
Additional information
  • Observation target
    • Deep space object
  • Designation
    • M22
  • Constellation
    • Sagittarius
  • Field of view
  • 28 arc minutes
  • Weather
    • Selkeää, hieman tuulta, Kuu horisontin alla

  • Darkness
    • Excellent
  • Seeing
    • Good
  • Limiting magnitude
    • 6.5
  • Star clusters and asterisms
    • Globular cluster info

      Globular cluster is a ball-shaped group of thousand of stars. Typically it looks like a round fuzzy spot. With bigger instruments a part of the stars in the cluster can be seen as sepaterated.


      The globular cluster 47 Tucanae is located in Tucana. Image Arto Oksanen.


      The globular cluster M13 is in Hercules. Image Rauno Päivinen.


      The globular cluster M2 in Aquarius. Image Timo Inkinen.

Technical information

Alluna RC16, C415 / 3320, Moravian G4-16000 EC Mark II, with filter L 11 x 30 s, 20 x bias, 20 x dark, 12 x flat, 3x binning, cropped image

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