Lunar Halo (Custom Print) – Royal Museums Greenwich Shop
Lunar Halo (Custom Print)

© National Maritime Museum Greenwich London

Lunar Halo (Custom Print)

3195 £31.95 Sale

Product details

Overall size of this product is 40 × 40 cm.
The image area of the print measures 32 × 32 cm.
The largest astrophotography competition in the world, Astronomy Photographer of the Year showcases the very best space photography from a global community of photographers.
This is a bright 22° lunar halo. When I took this photo it was -16°C and the air was filled with small ice crystals that made this halo possible. This regular 22° halo is more commonly seen around the Sun. The moonlight needs to be quite strong to make the halo visible, so it's more common around the days of a full moon. Last night the Moon was 90% lit so almost full. To the left you can see the city lights of Östersund, Sweden, and at 5 o'clock in the halo you can see it crossing the constellation of Orion. In the foreground you can see the tracks from a rabbit that hopped up to the trees.
Göran Strand

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