Hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  Sh2-129  ·  VdB140

Image of the day 12/18/2020

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    The Squid and the Flying Bat Nebula, 



    
        

            Sinan Arkin
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    The Squid and the Flying Bat Nebula

    Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

    Imaging telescopes or lenses: Takahashi FSQ 106 EDX4

    Imaging cameras: FLI ML16200

    Mounts: Celestron CGX

    Guiding telescopes or lenses: Takahashi FSQ 106 EDX4

    Guiding cameras: ASI ZWO ASI120mm mini

    Software: Photoshop CC  ·  Sequence Generator Pro  ·  Pleaides Astrophoto PixInsight  ·  Open PHD Guiding Project PHD2 Guiding

    Filters: Chroma 3nm OIII 50mm  ·  Chroma 5nm Ha 50mm  ·  Chroma G 50mm  ·  Chroma R 50mm  ·  Chorma B 50mm

    Accessory: PrimaLuceLab ECCO  ·  Celestron SkySync GPS  ·  Celestron StarSense  ·  Optec Alnitak Flip-Flat  ·  Optec Sagitta OAG  ·  PrimaLuceLab Eagle 3  ·  FLI Filter Wheel 5-7  ·  MoonLite NiteCrawler WR35  ·  QHYCCD Polemaster


    Frames:
    Chroma 3nm OIII 50mm: 50x1200" -20C bin 2x2
    Chroma 5nm Ha 50mm: 36x1200" -20C bin 1x1
    Chorma B 50mm: 60x120" -20C bin 1x1
    Chroma G 50mm: 60x120" -20C bin 1x1
    Chroma R 50mm: 60x120" -20C bin 1x1

    Integration: 34.7 hours

    Darks: ~30

    Flats: ~30

    Flat darks: ~30

    Bortle Dark-Sky Scale: 6.00


    Astrometry.net job: 4078753

    RA center: 21h 10' 55"

    DEC center: +60° 7' 3"

    Pixel scale: 2.326 arcsec/pixel

    Orientation: -61.329 degrees

    Field radius: 2.386 degrees


    Resolution: 4126x6127

    Locations: Bellapais, Kyrenia, Cyprus

    Data source: Backyard

    Description

    Two-panel mosaic of the Squid and the Flying Bat Nebula (Ou4 and Sh2-129). The nebula is in narrowband while the stars are in RGB. Each panel contains approximately 6 hours of Ha, 8 hours of 2x2 binned OIII as well as one hour each of the broadband filters.

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