Hemisphere:  Northern  ·  Constellation: Taurus (Tau)  ·  Contains:  Crab nebula  ·  M 1  ·  NGC 1952

Image of the day 05/08/2012

    The Crab Nebula, 


            Jean-Marie Locci
    The Crab Nebula
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    Technical card

    Imaging telescopes or lenses: Borel-Simon PowerNewt 8" f/2.8

    Imaging cameras: QSI 583 wsg

    Guiding telescopes or lenses: Orion 80mm f/5

    Guiding cameras: Orion SSAG

    Focal reducers: Borel-Simon Coma Corrector

    Software: PHD guiding  ·  photoshop  ·  DeepSkyStacker  ·  Maxim DL  ·  Cartes du Ciel

    Filters: Astronomik SII 12nm  ·  OIII 12nm  ·  Ha

    Accessory: Sky-Watcher SW Electric Focuser

    Dates:Jan. 31, 2012

    Ha: 4x300" -15C bin 1x1
    OIII 12nm: 4x300" -15C bin 1x1
    Astronomik SII 12nm: 4x300" -15C bin 1x1

    Integration: 1.0 hours

    Darks: ~16

    Flats: ~16

    Bias: ~16

    Avg. Moon age: 7.67 days

    Avg. Moon phase: 53.02%

    Bortle Dark-Sky Scale: 4.00

    Temperature: 20.00

    Basic astrometry details

    Astrometry.net job: 89792

    RA center: 5h 34' 25"

    DEC center: +21° 58' 19"

    Pixel scale: 1.331 arcsec/pixel

    Orientation: -88.122 degrees

    Field radius: 0.740 degrees

    Resolution: 3200x2400

    Locations: Home, Perth, Australia

    Data source: Backyard


    Sky plot

    Sky plot


    The Crab Nebula, 


            Jean-Marie Locci