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  2. Veil Nebula - Wikipedia

    en.wikipedia.org/wiki/Veil_Nebula

    The Veil Nebula is a cloud of heated and ionized gas and dust ... Pickering's Triangle (or Pickering's Triangular ... At the estimated distance of 2400 light-years ...

  3. Cygnus Loop - Wikipedia

    en.wikipedia.org/wiki/Cygnus_Loop

    The visual portion of the Cygnus Loop is known as the Veil Nebula, also called the Cirrus Nebula or the Filamentary Nebula. Several components have separate names and identifiers, [2] [3] including the "Western Veil" or "Witch's Broom", the "Eastern Veil", and Pickering's Triangle.

  4. File:Veil Nebula, Pickering's Triangle In Narrowband.jpg

    en.wikipedia.org/wiki/File:Veil_Nebula...

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  5. List of astronomical objects named after people - Wikipedia

    en.wikipedia.org/wiki/List_of_astronomical...

    Pickering's Triangle is a section of the Veil Nebula in Cygnus, named after Edward Charles Pickering. Shapley 1 is a planetary nebula in Norma, named after Harlow Shapley. Struve's Lost Nebula is a potentially nonexistent nebula in Taurus, named after Otto Wilhelm von Struve.

  6. Wikipedia:Reference desk/Archives/Science/2010 December 1 ...

    en.wikipedia.org/wiki/Wikipedia:Reference_desk/...

    This is frequently associated with Pickering's Triangle (see, e.g. Astronomy magazine, or indeed Google search for Pickering+triangle+"NGC+6979"), but the coords usually given for 6979 (and displayed in Uranometria) appear to be closer to 6974 -- and Pickering's Triangle was reputedly discovered only photographically, in the early 1900s. So the ...

  7. Edward Charles Pickering - Wikipedia

    en.wikipedia.org/wiki/Edward_Charles_Pickering

    Edward Charles Pickering (July 19, 1846 – February 3, 1919) was an American astronomer and physicist [1] and the older brother of William Henry Pickering. Along with Carl Vogel , Pickering discovered the first spectroscopic binary stars.

  8. William Henry Pickering - Wikipedia

    en.wikipedia.org/wiki/William_Henry_Pickering

    William Henry Pickering (February 15, 1858 – January 16, 1938) was an American astronomer. [1] Pickering constructed and established several observatories or astronomical observation stations, notably including Percival Lowell 's Flagstaff Observatory .

  9. Haidinger's brush - Wikipedia

    en.wikipedia.org/wiki/Haidinger's_brush

    Orientation varies with that of polarization of light source. Haidinger's brush, more commonly known as Haidinger's brushes is an image produced by the eye, an entoptic phenomenon, first described by Austrian physicist Wilhelm Karl von Haidinger in 1844. Haidinger saw it when he looked through various minerals that polarized light. [1] [2]