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Total lunar eclipse expected on May 26: HK Observatory

The public will have an opportunity to observe a total lunar eclipse on May 26 (Wednesday), the same day when the biggest full moon of the year appears. (HK Observatory)

According to the Hong Kong Observatory, the public will have an opportunity to observe a total lunar eclipse on May 26, the same day when the biggest full moon of the year (viz. the "Super Moon") appears. The diameter of the moon on that day will be about seven percent larger than the ordinary full moon.

The coming total lunar eclipse will begin before the moonrise. As the elevation of the Moon will be rather low during the eclipse, the event can be best observed at places with an unobstructed view to the southeast if weather permits. Details of the total lunar eclipse are as follows:

Details of the total lunar eclipse are demonstrated in the chart. (HK Observatory)

The total lunar eclipse will begin at 7.09 p.m. on that day and end at 7.28 p.m., with the maximum eclipse occurring at 7.19 p.m. During the period, the Moon will not completely vanish but will appear in dull red. This is the result of the blue part of sunlight being scattered away by the Earth's atmosphere and the remaining red light refracted onto the Moon.

Members of the public can watch the lunar eclipse event via a webcast to be jointly provided by the HK Observatory, the HK Space Museum, the Ho Koon Nature Education cum Astronomical Centre (sponsored by Sik Sik Yuen) and the Po Leung Kuk Ngan Po Ling College.

The next lunar eclipse observable in HK will be a partial lunar eclipse on November 19, 2021.

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