NGC 2174
| Emission nebula | |
|---|---|
| NGC 2174
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| Recording with line filter for SII, Hα, OIII | |
| AladinLite | |
| Constellation | Orion |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 06 h 09 m 23.6 s |
| declination | + 20 ° 39 ′ 34 ″ |
| Appearance
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| Apparent brightness (visual) | 6.9 likes |
| Angular expansion | 40 '× 30' |
| Ionizing source | |
| Physical data
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| distance | 6400 ly |
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history
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| discovery | Édouard Stephan |
| Date of discovery | February 6, 1877 |
| Catalog names | |
| NGC 2174 • Sh2-252 • LBN 854 • CED 67A | |
NGC 2174 is an H-II - emission nebula in the constellation Orion, which is about 6400 light-years from the Earth 's center.
The size of the nebula is about 40 minutes of arc . The diameter is 75 light years. It is also called the Monkey Head Nebula because it resembles the head of a macaque .
The object was discovered by Édouard Stephan on February 6, 1877 .
HST image with a section of the nebula
Infrared image of the same place, Hubble Space Telescope
Web links
Commons : NGC 2174 - collection of images, videos, and audio files
- GoBlack - NGC 2174
- Gas mist NGC 2174
- NGC 2174: Emission Nebula in Orion - Astronomy Picture of the Day of December 8, 2006 (English).
- SIMBAD Query - NGC 2174
- Spektrum .de: amateur recordings [1] [2] [3] [4]