NGC896

121. NGC896


NGC 896  RA: 2h 24.8'  Dec: +61 54'   Cassiopeia (Cas)

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The Heart Nebula, IC 1805, Sharpless 2-190, lies some 7500 light years away from Earth and is located in the Perseus Arm of the Galaxy in the constellation Cassiopeia. It was discovered by William Herschel on 3 November 1787. It is an emission nebula showing glowing ionized hydrogen gas and darker dust lanes.The brightest part of the nebula (a knot at its western edge) is separately classified as NGC 896, because it was the first part of the nebula to be discovered. The nebula's intense red output and its morphology are driven by the radiation emanating from a small group of stars near the nebula's center. This open cluster of stars, known as Melotte 15, contains a few bright stars nearly 50 times the mass of our Sun, and many more dim stars that are only a fraction of our Sun's mass.
 

Image Information

Location Black Forest SP
Date Sept 10 2015
Optics Orion 10 f/3.9
Filters Baader MPCC
Mount Celestron CGE
Camera Canon/Hutech 500D
ISO 1600
Subexposures 12
Exposure Length 300
Guider KwiqGuider
 

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All images copyright © 2006-2020, Rick Saunders
Main text descriptions sourced from Wikipaedia.
Sky position information is based on IP geolocation and is therefore approximate.