Hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  LBN 558  ·  LDN 1243  ·  LDN 1251

Image of the day 09/18/2019

Getting plate-solving status, please wait...
    LDN 1251, 



    
        

            Leo Shatz
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    LDN 1251

    Image of the day 09/18/2019

    Getting plate-solving status, please wait...
      LDN 1251, 



    
        

            Leo Shatz
      Powered byPixInsight

      LDN 1251

      Imaging Telescopes Or Lenses
      Takahashi FSQ 130ED
      Imaging Cameras
      QHYCCD QHY367c
      Mounts
      Astro-Physics Mach1 GTO CP4
      Filters
      Baader UV/IR-Cut/L 36mm
      Accessories
      QHYCCD OAG-M
      Software
      DC-3 Dreams PinPoint Astrometric Engine · PHD Guiding 2 · The SkyX Pro · Adobe Photoshop CC · Main Sequence Software SGPRO · PixInsight 1.8
      Guiding Telescopes Or Lenses
      Takahashi FSQ 130ED
      Guiding Cameras
      Starlight Xpress Ultrastar M

      Acquisition details

      Dates:
      Aug. 2, 2019 ·  Aug. 30, 2019
      Frames:
      Baader UV/IR-Cut 2": 233x180" (11h 39') -15C bin 1x1
      Integration:
      11h 39'
      Avg. Moon age:
      0.84 days
      Avg. Moon phase:
      1.43%
      Bortle Dark-Sky Scale:
      2.00

      RA center: 22h26m37s.92

      DEC center: +75°1948.10

      Pixel scale: 3.105 arcsec/pixel

      Orientation: -0.604 degrees

      Field radius: 1.868 degrees

      WCS transformation: thin plate spline

      More info:Open 

      Resolution: 3650x2330

      Data source: Traveller

      Description

      This image has been also published on Notable submissions to the Astronomy Picture of the Day

      Stars are forming in Lynds Dark Nebula, LDN 1251. About 1,000 light-years away and drifting above the plane of our Milky Way galaxy, the dusty molecular cloud is part of a complex of dark nebulae mapped toward the Cepheus flare region. Across the spectrum, astronomical explorations of the obscuring interstellar clouds reveal energetic shocks and outflows associated with newborn stars, including the telltale reddish glow from scattered Herbig-Haro objects. Distant background galaxies also lurk on the scene, visually buried behind the dusty expanse.

      In the lower left there is red colored carbon star, a late-type star similar to a red giant whose atmosphere contains more carbon than oxygen; the two elements combine in the upper layers of the star, forming carbon monoxide, which consumes all the oxygen in the atmosphere, leaving carbon atoms free to form other carbon compounds, giving the star a sooty atmosphere and a strikingly ruby red appearance.

      Description sources:
      APOD, Wikipedia, Lynds Dark Nebula 1251 in Cepheus by Jeff Husted

      Comments

      Revisions

        LDN 1251, 



    
        

            Leo Shatz
        Original
        LDN 1251, 



    
        

            Leo Shatz
        E
      • Final
        LDN 1251, 



    
        

            Leo Shatz
        F

      Sky plot

      Sky plot

      Histogram

      LDN 1251, 



    
        

            Leo Shatz

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      Takahashi Refractors
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