Nebulae
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NGC 2174 – Monkey Head Nebula, an emission nebula in the Constellation Orion (Distance – 6,400 light years)
NGC 2244 – An Open Star Cluster in the Rosette Nebula, which is located in the Constellation Monoceros (Distance – 5,200 light years)
NGC 7293 – The Helix, a Planetary Nebula in the Constellation Aquarius (Distance – 695 light years)
NGC 1499 – California Nebula, an Emission Nebula in the Constellation Perseus (Distance – 1,000 light years)
M 1 – The Crab Nebula (Distance – 6,523 light years)
M 42 – The Orion Nebula (Distance – 1,344 light years)
M 76 – The Little Dumbbell Nebula in the Constellation Perseus (Distance – 2,500 light years)
M 78 – Reflection Nebula in the Constellation Orion (Distance – 1,600 light years)
IC 1805 – Heart Nebula in the Constellation Cassiopeia (Distance – 7,500 light years)
NGC 2264 – Cone Nebula in the Constellation Monoceros (Distance – 2,600 light years)
NGC 1893 & IC 410 – The Tadpole Nebula, Open Star Cluster in Nebula in the Constellation Auriga (Distance – 13,000 light years)
M 16 – The Eagle Nebula, a young open cluster of stars in the Constellation Serpens (Distance – 7,000 light years) Note: This photograph was imaged from Kitt Peak, in collaboration with Adam Block.
NGC 7129 – A Reflection Nebula in the Constellation Cepheus (Distance – 3,300 light years)Note: This photograph was imaged from Kitt Peak, in collaboration with Adam Block.
M 20 – The Trifid Nebula, a Reflecton/Dark Nebula in the Constellaton Sagittarius (Distance – 5,200 light years)
NGC 2024 – The Flame Nebula, an Emission Nebula in the Constellation Orion (Distance – 900 to 1,500 light years)