The Eastern Veil Nebula, also known as the Bat Nebula is a Supernova remnant. 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. At the time of explosion, the supernova would have appeared brighter than Venus in the sky, and visible in daytime. The remnants have since expanded to cover an area of the sky roughly 3 degrees in diameter (about 6 times the diameter, and 36 times the area, of the full Moon). While previous distance estimates have ranged from 1200 to 5800 light-years, a recent determination of 2400 light-years is based on direct astrometric measurements.
OTA: WO Zenithstar 73 with a 440 mm FL @f5.9
Mount: iOptron CEM25 EC
Camera: ZWO ASI533 MC Pro, Gain 100 @-10C
Filter: IDAS-NBZ
Guide Camera: ZWO290 MM-mini, Gain 300
Guide Scope: ZWO 30 mm @4 (120 mm FL)
Tripod mounted on my back porch
Moon: 23% Waning Crescent
Bortle: 4
ASIAIR PRO
LIGHTS: 42 @240 sec
DARKS: 60
SOFTWARE: PixInsight
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