Hemisphere:  Southern  ·  Contains:  Helix nebula  ·  NGC 7293

Image of the day 12/21/2013

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    Helix Nebula - Narrowband bi-colour + RGB stars, 



    
        

            Rick Stevenson
    Helix Nebula - Narrowband bi-colour + RGB stars
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    Helix Nebula - Narrowband bi-colour + RGB stars

    Technical card

    Imaging telescopes or lenses: Ceravolo 300 Astrograph (f/9)

    Imaging cameras: Alta U16M

    Mounts: Astro-Physics AP900

    Guiding telescopes or lenses: Ceravolo 300 Astrograph (f/9)

    Guiding cameras: Lodestar

    Software: Maxim DL  ·  PixInsight 1.8

    Filters: Astrodon 3nm OIII  ·  Astrodon 3nm Ha  ·  Astrodon E-series 2 LRGB

    Accessory: FLI Atlas focuser


    Dates:Sept. 7, 2013

    Frames: 96x1800"

    Integration: 48.0 hours

    Avg. Moon age: 1.97 days

    Avg. Moon phase: 4.33%


    Basic astrometry details

    Astrometry.net job: 141672

    RA center: 22h 29' 42"

    DEC center: -20° 48' 0"

    Pixel scale: 0.671 arcsec/pixel

    Orientation: 179.609 degrees

    Field radius: 0.458 degrees


    Resolution: 3764x3156

    Description

    The Helix Nebula in glorious narrowband false colour (Ha/OIII) sprinkled with RGB stars.

    Comments

    Author

    RickS
    Rick Stevenson
    License: None (All rights reserved)
    519636
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    Helix Nebula - Narrowband bi-colour + RGB stars, 



    
        

            Rick Stevenson