Holiup
American Samoaislandsfreeride skiinghigh altitudeCanadaskiing & snowboardingbeachcitiesKorean PeninsulaSenegalAntarcticaaurora borealisTungabhadra ReservoirSouth-AmericaThailandMoldova

      astronomical observatories at Eldorado Springs, United States

    • National Solar Observatory
      website
      Active region NOAA 0484 (noao-04744)
      NSO Founded, January 1983 (January-1983-CC)
      H-alpha flare (noao-4043)