NGC 1491
| Emission nebula | |
|---|---|
| NGC 1491
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| AladinLite | |
| Constellation | Perseus |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 04 h 03 m 13.5 s |
| declination | + 51 ° 18 ′ 58 ″ |
| Appearance
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| Angular expansion | 25 '× 25' |
| Ionizing source | |
| Physical data | |
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history
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| discovery | Wilhelm Herschel |
| Date of discovery | December 28, 1790 |
| Catalog names | |
| NGC 1491 • GC 793 • Ced 25, LBN 704, LBN 706, Sh 2-206, HI 258 | |
NGC 1491 is an emission nebula in the constellation Perseus , which was discovered by the astronomer Wilhelm Herschel on December 28, 1790 .