NGC 281
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| NGC 281 | |
 NGC 281 [SII] = Red, H-alpha = Green, [OIII] = Blue |
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| Observation data: J2000.0 epoch | |
|---|---|
| Type | Emission |
| Right ascension | 00h 52m 59.3s[1] |
| Declination | +56° 37′ 19″[1] |
| Distance | 9.5 kly (2.9 kpc)[2] |
| Apparent dimensions (V) | 35′ |
| Constellation | Cassiopeia |
| Physical characteristics | |
| Radius | unknown |
| Absolute magnitude (V) | Unknown |
| Other designations | IC 11[1], Sharpless 184 |
| See also: Diffuse nebula, Lists of nebulae | |
NGC 281 is an H II region in the constellation of Cassiopeia and part of the Perseus Spiral Arm. It includes or is near the open cluster IC 1590, the double star HD 5005, and several Bok globules. It is visible in amateur telescopes from dark sky locations.
[edit] References
- NGC 281: The Pacman Nebula APOD 2005 August 23
- ^ a b c NASA/IPAC Extragalactic Database. Results for NGC 281. Retrieved on 2006-10-17.
- ^ Leass, E. A.; Biller, B.; Dame, T. M.; Megeath, S. T. (2001). "An Expanding Complex of Molecular Clouds High Above the Perseus Spiral Arm". American Astronomical Society, 199th AAS Meeting, #91.16; Bulletin of the American Astronomical Society 33: 1439.
[edit] External links
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