M92 - 16.3.2022 at 23.01 - 17.3.2022 at 00.10 Helsinki Observation number 105750

Visibility IV / V

Tero Hiekkalinna, Ursa (Helsinki)

Messier 92 is a dense spherical constellation in the constellation of Hercules and is located about 27,000 light-years from Earth. It was discovered by the German astronomer Johann Bose in 1777. There are about 330,000 stars in the crowd. Exposure 2h

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Additional information

Observation target
- Deep space object
Designation
- M92
Constellation
- Hercules

Star clusters and asterisms
- Globular cluster
  
  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

Stand: iOptron CEM60

Recording tube and camera: Sky-Watcher 80ED pro-series + ZWO ASI071MC Pro

Tracking tube and camera: Orion ShortTube 80mm + ZWO ASI120MM mini

Polar Orientation Tube and Camera: Celestron 9 × 50 Viewfinder Telescope + ZWO ASI224MC (Polar Orientation with SharpCap Pro)

Sky camera: ZWO ASI120MC

Engine focus: ZWO EAF

As imaging software I use: NINA - Nighttime Imaging 'N' Astronomy 1.11, PHD2 and Cartes du Ciel.

Image Calibration, Stacking, and Processing: PixInsight 1.8

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Contact information

M92 - 16.3.2022 at 23.01 - 17.3.2022 at 00.10 Helsinki Observation number 105750