22-degree Solar Halo and Solar Corona Observed from Ladakh, India

February 05, 2024

22-degree Solar Halo and Solar Corona Observed from Ladakh  India

Photographer: Soumyadeep Mukherjee
Summary Author: Soumyadeep Mukherjee

On a visit one day last year to the Hanle Observatory in northern India, I heard somebody shouting about a circular rainbow and so ran to get my camera and then rushed outside. I was greeted by an incredible 22-degree halo, which formed when sunlight was refracted by ice crystals composing the faint cirrus clouds in the vicinity of the solar disk. Note also the dim solar corona, much closer to the Sun, resulting from minute cloud droplets diffracting sunlight in the nearby altocumulus clouds.

Actually, I had been feeling poorly for over 24-hours, but observing the halo made me forget how sick I’d been. I've always considered Nature as the biggest healer, and here it was again, making me forget everything for a few precious moments. Photo taken on May 12, 2023.

Photo Details: Nikon Z6ii camera; Tamron 15-30 mm lens; f/11; 1/2000 seconds exposure; ISO 100; 15 mm; Post-processing - Photoshop


Hanle, Ladakh, India Coordinates: 32.7908, 79.0002

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Soumyadeep’s Website