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NGC 1491

Emission nebula
The nebula NGC 1491
Observation data: J2000 epoch
Subtype	H II region
Right ascension	04h 03m 15.9s [1]
Declination	+51° 18′ 54″ [1]
Distance	3.02 ± 0.6  kpc (9,800 ± 2,000  ly) [1]  ly
Constellation	Perseus
Designations	Ced 25, LBN 704, LBN 706, Sharpless 2-206 [1]
See also: Lists of nebulae

NGC 1491, also known as LBN 794, SH2-206 or Fossil Footprint Nebula, is an emission type bright nebula located about 9,800 light years away from Earth in the constellation of Perseus. ^[1] The nebula gets its deep red coloration due to many massive stars (such as BD+50 866) embedded within NGC 1491 producing large amounts of ultraviolet radiation and ionizing the hydrogen gas that makes up the nebula. ^{[2] [3]}

Gallery

• 
  NGC 1491 from the Mount Lemmon Sky Center

References

External links

• Media related to NGC 1491 at Wikimedia Commons

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