The Heart Nebula, also known as IC 1805 and 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.
This image was shot using narrowband filters (Sulphur II, Hydrogen Alpha, Oxygen III) to produce this false colour photograph. Exposures were taken over several nights in October 2019 as follows:
Ha: 85 x 4 mins
Sii: 132 x 4 mins
Oiii: 142 x 4 mins
Total integration time 23 hours, 56 minutes.
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