Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  IC 1795  ·  IC 1805  ·  IC 1848  ·  NGC 1027  ·  NGC 896
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The Heart & Soul Neulae, IC 1805 and IC 1848, Steven Bellavia
The Heart & Soul Neulae, IC 1805 and IC 1848
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The Heart & Soul Neulae, IC 1805 and IC 1848

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The Heart & Soul Neulae, IC 1805 and IC 1848, Steven Bellavia
The Heart & Soul Neulae, IC 1805 and IC 1848
Powered byPixInsight

The Heart & Soul Neulae, IC 1805 and IC 1848

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Description

The Heart Nebula, IC 1805, Sharpless 2-190, is 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. This is an emission nebula showing glowing ionized hydrogen gas and darker dust lanes. The very brightest part of this nebula (the knot at the western edge) is separately classified as NGC 896, because it was the first part of this nebula to be discovered.

The nebula's intense red output and its configuration 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.

The Soul nebula, Westerhout 5, Sharpless 2-199, LBN 667, is an emission nebula located in Cassiopeia. Several small open clusters are embedded in the nebula: CR 34, 632, and 634 (in the head) and IC 1848 (in the body). The object is more commonly called by the cluster designation IC 1848. Small emission nebula IC 1871 is present just left of the top of the head, and small emission nebulae 670 and 669 are just below the lower back area.

This complex of these two nebulae are often mentioned together as the "Heart and Soul".

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The Heart & Soul Neulae, IC 1805 and IC 1848, Steven Bellavia

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Nebulae