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Moon Ring

Moon Ring

Forums › Cloud Identification Help › Moon Ring

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    • January 10, 2025 at 6:19 am #632157
      Kreable Young avatarKreable Young
      Participant

      I was on a night hike on a mostly clear but misty evening outside Seattle when my friend and I saw this ring around a waxing gibbous moon. Can anyone help identify what’s happening here?IMG_9892

    • January 10, 2025 at 8:41 am #632162
      Gail Holt avatarGail Holt
      Participant

      Hi Kreable, When sunlight shines through the ice crystals of high Cirrostratus clouds, it can be refracted into bright rings of light known as halos. My thinking is that this is a non-quite-so bright moon halo, with the bright moonlight shining thru the water droplets of your fog, and it has formed a 22 degree moon halo.  I think I can also discern a smaller, inner (and rarer) 9 degree halo.  Any other suggestions? Kind regards, Gail

    • January 10, 2025 at 3:51 pm #632186
      Ruth Quist avatarRuth Quist
      Participant

      Gail, I like your assessment of the halo.  My go to reference is Gavin’s ” The Cloud Collector’s Handbook” see page 120.  That is the bible for me.  I can’t tell you how many times I have read that handbook and continue to learn intricacies of clouds.  So much to learn and appreciate.

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