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Penumbral lunar eclipse in Hong Kong on January 11
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     A penumbral lunar eclipse will occur in Hong Kong in the small hours of January 11 (Saturday). As the elevation of the moon will be rather high during the eclipse, the event can be best observed at most places with an unobstructed view towards the west to northwest if weather permits.
 
     The eclipse will begin at 1.05am and end at 5.15am, with the maximum eclipse occurring at 3.10am. A penumbral lunar eclipse occurs when the moon only enters the penumbra of the Earth but not the umbra. During the event, the moon will become slightly dimmer.
 
     Details of the penumbral lunar eclipse are set out in the following table:
 
Date Time Phenomenon Elevation Direction (Azimuth)
January 10 
(Friday)
5.28pm Moonrise -1 degree East-northeast
(65 degrees)
January 11
(Saturday)
 
1.05am Moon enters penumbra 81 degrees West
(277 degrees)
3.10am Maximum eclipse 53 degrees West
(279 degrees)
5.15am Moon leaves penumbra 26 degrees West-northwest
(286 degrees)
7.05am Sunrise -1 degree East-southeast
(113 degrees)
7.20am Moonset -1 degree West-northwest
(295 degrees)
 
     For the latest weather conditions and the astronomical observation conditions on January 11, please refer to the nine-day weather forecast issued by the Hong Kong Observatory (www.hko.gov.hk/en/wxinfo/currwx/fnd.htm) and the Weather Information for Astronomical Observation webpage (www.hko.gov.hk/en/gts/astronomy/astro_portal.html).
      
     The next lunar eclipse observable in Hong Kong will occur on June 6 this year. It will be a penumbral lunar eclipse.
 
Ends/Thursday, January 2, 2020
Issued at HKT 15:00
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