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Rolf's Astrophotography
  • An Astrophotography Journey!
  • Clusters
    • Globular Clusters
      • M13 – Hercules Cluster
      • M92
    • Open Clusters
      • M39
      • M45 – The Pleiades
      • M52
      • NGC 869 and NGC 884 – Perseus Double Cluster
  • Galaxies
    • Elliptical Galaxies
      • Markarian’s Chain with M84, M86, and M87
      • NGC 1272, NGC 1275 – The Perseus Cluster
      • NGC 3613, NGC 3619, and NGC 3625
      • NGC 3998
      • NGC 4889 and other galaxies in Coma Berenices
      • PGC 2641182
    • Irregular Galaxies
      • M82 – Cigar Galaxy
      • NGC 4449
    • Spiral Galaxies
      • IC 342
      • M101 – Pinwheel Galaxy
      • M102 – Spindle Galaxy
      • M106
      • M31 – Andromeda Galaxy
      • M33 – Triangulum Galaxy
      • M51 – Whirlpool Galaxy
      • M63 – Sunflower Galaxy
      • M64 – Black Eye Galaxy
      • M65, M66, and NGC 3628 – The Leo Triplet
      • M81 – Bodes Galaxy
      • M94
      • NGC 2683 – UFO Galaxy
      • NGC 2775
      • NGC 2841
      • NGC 3184
      • NGC 3642
      • NGC 4236
      • NGC 4244 – Silver Needle Galaxy
      • NGC 4490 – Cocoon Galaxy
      • NGC 4565 (C38) – Needle Galaxy
      • NGC 4631 (Whale Galaxy) and NGC 4656
      • NGC 5005
      • NGC 5216, NGC 5218 – Keenan’s System
      • NGC 5907 – Knife Edge Galaxy
      • NGC 6946 – Fireworks Galaxy
      • NGC 925 – Amatha Galaxy
    • The Milky Way
  • Nebulas
    • Dark Nebulas
      • IC 434 – Horsehead Nebula
      • NGC 2264 – Cone Nebula and Christmas Tree Cluster
    • Emission Nebulas
      • IC 1396 – Elephant’s Trunk Nebula
      • IC 1805 – Heart Nebula
      • IC 1848 – Soul Nebula
      • IC 2177 – Seagull Nebula
      • IC 405 – Flaming Star Nebula
      • IC 5070 – Pelican Nebula
      • IC 5146 – Cocoon Nebula
      • IC 59 and IC 63 – Gamma Cassiopeia Nebula
      • M42 – Orion Nebula
      • NGC 1499 – California Nebula
      • NGC 2174 – Monkey Head Nebula
      • NGC 2237 – Rosette Nebula
      • NGC 2359 – Thor’s Helmet
      • NGC 281 – Pacman Nebula
      • NGC 6888 – Crescent Nebula
      • NGC 7000 – North America Nebula
      • NGC 7635 – Bubble Nebula
      • NGC 7822
      • NGC 896
      • Sadr and the Gamma Cygni Nebula (IC 1318)
      • Sh2-155 – Cave Nebula
    • Planetary Nebulas
      • Abell 21 – Medusa Nebula
      • M27 – Dumbbell Nebula
      • M57 – Ring Nebula
      • M76 – Little Dumbbell Nebula
      • M97 – Owl Nebula
    • Reflection Nebulas
      • IC 2118 – Witch Head Nebula
      • M78
      • NGC 7023 – Iris Nebula
    • Supernova Remnants
      • M1 – Crab Nebula
      • NGC 6960 – Veil Nebula
  • Solar System
    • Comets
    • The Moon
    • Jupiter
    • Mars
    • Saturn
  • The Gear
    • APO107 Configuration Example
    • APO94 Configuration Example
    • AstroTrac TT320X and Nikon D800 DSLR Configuration Example
    • MN190 Configuration Example
    • RC8″ Configuration Example
    • Skywatcher EQ6-R Pro Equatorial Mount
Rolf's Astrophotography

IC 1805 – Heart Nebula

The Heart Nebula, IC 1805 is 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.

The brightest part of the nebula (a knot at its western edge) is separately classified as NGC 896, because it was the first part of the nebula to be discovered. The nebula’s intense red output and its morphology are driven by the radiation emanating from a small group of stars near the nebula’s center. This open cluster of stars, known as Collinder 26 or 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 Heart Nebula is also made up of ionised Oxygen and Sulfur gasses, responsible for the rich blue and orange colours seen in narrowband images. The shape of the nebula is driven by stellar winds from the hot stars in its core. The nebula also spans almost 2 degrees in the sky, covering an area four times that of the diameter of the full moon.

IC1805, Heart nebula
IC1805, Heart nebula
The Heart Nebula, IC 1805, lies some 7500 light years away from Earth and is located in the Perseus Arm of the Galaxy in the constellation Cassiopeia. It is an emission nebula showing glowing ionized hydrogen gas and darker dust lanes. The brightest part of the nebula (a knot at its western edge) is separately classified as NGC 896, because it was the first part of the nebula to be discovered. The nebula’s intense red output and its morphology are driven by the radiation emanating from a small group of stars near the nebula’s center. This open cluster of stars, known as Collinder 26 or 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. Photographed with APO107 refractor telescope and Nikon D800 camera in Stuvsta, November 2020 using IDAS LPS D2 light pollution filter. Total exposure time was 174min.
IC1805, Heart nebula
IC1805, Heart nebula
The Heart Nebula, IC 1805, lies some 7500 light years away from Earth and is located in the Perseus Arm of the Galaxy in the constellation Cassiopeia. It is an emission nebula showing glowing ionized hydrogen gas and darker dust lanes. The brightest part of the nebula (a knot at its western edge) is separately classified as NGC 896, because it was the first part of the nebula to be discovered. The nebula’s intense red output and its morphology are driven by the radiation emanating from a small group of stars near the nebula’s center. This open cluster of stars, known as Collinder 26 or 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. Photographed with APO107 refractor telescope and Nikon D800 camera in Stuvsta, November 2020 using IDAS LPS D2 light pollution filter. Total exposure time was 174min.
IC1805, Heart nebula
IC1805, Heart nebula
The Heart Nebula, IC 1805 is 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. The brightest part of the nebula (a knot at its western edge) is separately classified as NGC 896, because it was the first part of the nebula to be discovered. The nebula’s intense red output and its morphology are driven by the radiation emanating from a small group of stars near the nebula’s center. This open cluster of stars, known as Collinder 26 or 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 Heart Nebula is also made up of ionised Oxygen and Sulfur gasses, responsible for the rich blue and orange colours seen in narrowband images. The shape of the nebula is driven by stellar winds from the hot stars in its core. The nebula also spans almost 2 degrees in the sky, covering an area four times that of the diameter of the full moon. Photographed with APO94 refractor telescope and ASI 2600MC color camera in Stuvsta February 2022. Exposure was 54*3min with IDAS LPS P3 light pollution filter.
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