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The Heart Nebula, IC 1805 or 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. This is an emission nebula showing glowing gas and darker dust lanes. The nebula is formed by plasma of ionized hydrogen and free electrons.
16" Cassegrain in primary focus at f/3, FL 1200mm
About this Image
The very brightest part of this nebula (the knot at the top-right) is separately classified as NGC 896, because it was the first part of this nebula to be discovered.
Technical Details
Optics
Mount
DDM-85-XL direct drive GEM mount
Camera
Nikon D810A with remote timer
Date
Dec 2014
Location
Wildon / Austria
Sky Conditions
mag 19 sky, temperature 5 C
Exposure
86x1 min at ISO1600 combined, unguided
Programs used
ImagesPlus
CCDStack
Photoshop CS5