M44 - 21.3.2022 at 23.50 - 22.3.2022 at 01.00 Helsinki Observation number 105749

• Observation target
• • Deep space object
• Designation
• • M44
• Constellation
• • Cancer

• 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.

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