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The ring around the Moon halo is caused by the
refraction of moonlight from ice crystals in the
upper atmosphere, creating a circular effect.
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2025 Moon’s circular Hola

2023 Moon Hola

2019 Moon Hola

2018 Moon’s circular Hola

2015 Moon’s circular Hola

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Moon Astrophotography by Derek Rowley
- Moon Features
- Moonlit (disk illumination)
- Earthshine
- Moon Conjunctions
- Moon Occultations
- Moon Eclipses
- Moon Hola
- Moon illusion
- Lunar V & X (terminator shadow formation)
- Moon Map (Lists of A-Z Craters on the Moon)
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Back to Moon Astrophotography page