Hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  PK110+01.1  ·  Sh2-155  ·  VdB155

Image of the day 08/29/2016

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    Sh2-155 Cave Nebula, 


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    Sh2-155 Cave Nebula

    Imaging telescopes or lenses: Takahashi FSQ106ED

    Imaging cameras: ZWO ASI1600MM-Cool

    Mounts: Skywatcher AZ-EQ6

    Guiding telescopes or lenses: Skywatcher 9x50 finder

    Guiding cameras: Lacerta MGEN

    Focal reducers: Takahashi 0.72x Reducer

    Software: Photoshop  ·  Pleiades Astrophoto, S.L. Pix Insight  ·  APT - Astro Photography Tool APT 3.13

    Filters: Optolong LRGB 1,25"

    Dates:Aug. 4, 2016

    Frames: 91x480"

    Integration: 12.1 hours

    Avg. Moon age: 1.63 days

    Avg. Moon phase: 2.98%

    Astrometry.net job: 1203171

    RA center: 22h 56' 27"

    DEC center: +62° 40' 34"

    Pixel scale: 2.005 arcsec/pixel

    Orientation: 155.341 degrees

    Field radius: 1.587 degrees

    Resolution: 4554x3426

    Locations: my lovely garden, near Vienna, Austria

    Data source: Traveller


    The Cave Nebula in Cepheus is one of those wonderful sky marvels, where emission and reflection nebulas mix and form a colorful star nursery. The stellar wind of newborn hot stars sweep a shockwave through the interstellar gas and dust, leading to even more star birth.

    Along with the LRGBHa version there is the Ha picture with stars removed, you may blink and enjoy the different vistas.

    LRGBHa: 27+5+7+12+41 x 8min subframes at -20°c, Gain zero for max. dynamic range.



      Sh2-155 Cave Nebula, 


    • Final
      Sh2-155 Cave Nebula, 



    Sky plot

    Sky plot


    Sh2-155 Cave Nebula,