Interacting spiral galaxy triplet NGC 6769, 6770 and 6771
    Wallpaper author:
    Andrew Macica

    28 Feb 2026

    Interacting spiral galaxy triplet NGC 6769, 6770 and 6771

    Galaxy group IC 4845 located in the constellation Pavo. This galaxy group is only visible in the Southern Hemisphere. The group consists of the following galaxies:


    1. Interacting spiral galaxy triplet NGC 6769, 6770 and 6771. These three galaxies are right of center in the image. (ESO)


    2. Galaxy IC 4845, located in the upper left of the image, is a barred spiral galaxy.


    3. Galaxy IC 4842, located at the bottom of the image, is an elliptical galaxy.

    (TheSky, Software Bisque)


    Image processed by Andrew Macica, original data from Telescope Live.


    Imaging Details:


    Observatory: Rio Hurtado Valley, Chile

    Telescope: Planewave CDK24

    Aperture: 610 mm (24 inches), f/6.5

    Focal Length: 3962 mm

    Camera: FLI PL 9000 CCD

    Filters: LRGB

    Total Exposure: 6 hours 40 min.


    Image Processing:

    PixInsight 1.8.9-3 Ripley (x64);

    BlurXTerminator, NoiseXTerminator, StarXTerminator (RC Astro);

    Adobe Photoshop 25.12.4;

    Adobe Lightroom Classic 15.1.1


    Instruction on PixInsight from Adam Block Studios.

    Dataset from which the image was processed

    NGC 6769

    5 credit

    Open
    • Type of target
      ............................................................................................................................
      Group of Galaxies
    • Camera
      ............................................................................................................................
      FLI ProLine PL9000
    • Target coordinates
      ............................................................................................................................
      RA 289.7667 Dec -60.53
    • Hemisphere
      ............................................................................................................................
      Southern
    • Telescope location
      ............................................................................................................................
      Chile
    • Transient event
      ............................................................................................................................
      No
    • Observed on
      ............................................................................................................................
      27 Aug 2022 - 13 Sept 2022
    Filter
    Avg Exp (s)
    Total Exposure
    Subframes
    Green6001h40m10
    Red6001h40m10
    Blue6001h40m10
    Luminance6001h40m10

    Interacting spiral galaxy triplet NGC 6769, 6770 and 6771