Veil Nebula – featured is the Eastern Part NGC

The Veil Nebula is a cloud of heated and ionized gas and dust in the constellation Cygnus. It constitutes the visible portions of the Cygnus Loop, a supernova remnant, many portions of which have acquired their own individual names and catalogue identifiers. The source supernova was a star 20 times more massive than the Sun which exploded between 10,000 and 20,000 years ago.

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The following are considered to be part of the Veil Nebula:

• The Western Veil (also known as Caldwell 34), consisting of NGC 6960 (the “Witch’s Broom”, Lacework Nebula,”Filamentary Nebula”) near the foreground star 52 Cygni;
• The Eastern Veil (also known as Caldwell 33), whose brightest area is NGC 6992, trailing off farther south into NGC 6995 (together with NGC 6992 also known as “Network Nebula”and IC 1340; and
• 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.

Keywords: Veil Nebula, NGC 6960, NGC 6995, Cygnus, Supernova Remnant