NGC 2491 is a spiral galaxy located in Canis Minor constellation.[1] It is located 580 million light-years from Earth and has an approximate diameter of 130,000 light-years.[2]

Details

NGC 2491 was discovered by American astronomer Lewis Swift on November 15, 1885.[3] Swift described it as extremely faint, small, with a round irregular shape, and a bright star to the west.[3] With a surface brightness of magnitude of 11.75, NGC 2491 is classified as a high surface brightness galaxy.[4]

References

  1. ^ "Revised NGC Data for NGC 2491". spider.seds.org. Retrieved 2024-04-23.
  2. ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2024-04-23.
  3. ^ a b "New General Catalog Objects: NGC 2450 - 2499". cseligman.com. Retrieved 2024-04-23.
  4. ^ "Data from NGC and IC catalogue by Wolfgang Steinickle from NGC 2400-2499". astrovalleyfield.ca. Retrieved 2024-04-23.
Allikas: http://en.wikipedia.org/wiki/NGC_2491
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