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Heart and Soul under observation, Thilo
Heart and Soul under observation, Thilo

Heart and Soul under observation

Getting plate-solving status, please wait...
Heart and Soul under observation, Thilo
Heart and Soul under observation, Thilo

Heart and Soul under observation

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Description

The three leading characters in this image are Heart Nebula and Soul Nebula under the "observation" of h and χ (chi) Persei, the Perseus Double Cluster.

The Heart Nebula (IC 1805, Sharpless 2-190) is an emission nebula, 7500 light years away from Earth and located in the Perseus Arm of our Galaxy in the constellation Cassiopeia. It was discovered by William Herschel on 3 November 1787. It displays glowing ionized hydrogen gas and darker dust lanes.

The Soul Nebula (IC 1848, Westerhout 5, Sharpless 2-199, LBN 667) is also an emission nebula located east of the Heart Nebula. Several small open clusters are embedded in the nebula: CR 34, 632, and 634 and IC 1848.  

The h Persei and χ (chi) Persei double cluster (also Caldwell 14) consists of the open clusters NGC 869 and NGC 884, which are close together in the constellation Perseus. Both visible with the naked eye, NGC 869 and NGC 884 lie at a distance of about 7,500 light years in the Perseus Arm of the Milky Way galaxy.

My interest in this image was to make as much of the H-alpha emission visible as possible. This seems to be abundant in this region, as other images have already shown. However, how the actual Ha line emission is in relation to other continuum emitters in this sky area, I could not work out in this image. For a continuum subtraction I lack usable data having broader (or narrower) bandwidth.

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