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Pickering's Triangle (or Pickering's Triangular Wisp), brightest at the north central edge of the loop, but visible in photographs continuing toward the central area of the loop. NGC 6974 and NGC 6979 are luminous knots in a fainter patch of nebulosity on the northern rim between NGC 6992 and Pickering's Triangle.
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.
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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 ...
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.
Two large stars residing inside a spectacular cloud of gas and dust nicknamed the "Dragon's Egg" nebula have presented a puzzle to astronomers. One of them has a magnetic field, as does our sun ...
Minkowski 2-9 or Minkowski's Butterfly is a planetary nebula in Ophiuchus, named after Rudolph Minkowski. Pease 1 is a planetary nebula in the globular star cluster Messier 15, named after Francis G. Pease. Pickering's Triangle is a section of the Veil Nebula in Cygnus, named after Edward Charles Pickering.
NGC 6884 is a planetary nebula [4] located in the constellation Cygnus, less than a degree to the southwest of the star Ο 1 Cygni. [5] It lies at a distance of approximately 12.5 kly from the Sun. [2] The nebula was discovered on May 8, 1883, by American astronomer Edward C. Pickering. [6]