Heart Nebula, Sh2-190 (Jim Thommes)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: IC 1805

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Heart Nebula, Sh2-190

Link: http://www.jthommes.com/Astro/Sh2-190HeartNebula.htm

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Heart Nebula, Sh2-190

Link: http://www.jthommes.com/Astro/Sh2-190HeartNebula.htm

North is to the right in this image. This image field is a close in composition of the "Heart Nebula" (Sharpless 190)region. This is an active star forming region with many young stellar objects. The Heart Nebula encompasses the full field of this image and a little beyond. At its heart is the nebulous star cluster IC 1805 (AKA Melotte 15, Collinder 26, and LBN 654) - within that is the dark nebula LDN 1369. This star cluster / nebulosity structure is about 6,150 light years distant. In the outer nebulosity regions are several LBN and LDN nebulae. There are also multiple dark nebulae from Dobashi and TGU catalogs - they are too numerous to annotate. The star clusters within this field (in addition to IC 1805) are Berkeley 65 (7,416 light years), Tombaugh 4 (7,170 light years), and Czernik 10 (no distance estimate). These objects and some of the brighter stars are seen in the annotated image. The horizontal FOV is 120'. Image scale of the full size image is 2.4 arcsec/pix.

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Heart Nebula, Sh2-190

Heart Nebula, Sh2-190

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Heart Nebula, Sh2-190

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