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Observations made by Hong Kong Observatory during partial solar eclipse today

     A partial solar eclipse was visible in Hong Kong from 8.15am to 10.46am today (July 22), with the maximum eclipse occurring at 9.26am.  The weather was mainly fine during the eclipse.  Although the sun was occasionally blocked by clouds, the eclipse was still visible for a long period from many places in Hong Kong. Figure 1 shows the image of the solar eclipse photographed by the Hong Kong Observatory.

     Affected by the solar eclipse and variations in the cloud amount, the King's Park meteorological station recorded decreases in the ultra-violet index (Fig. 2), solar radiation (Fig. 3) and temperature (Fig. 4).  Temperatures over the territory (Fig. 5) generally fell slightly, and were lower than those at the same time yesterday, with the maximum fall close to 3 degrees Celsius.

Ends/Wednesday, July 22, 2009
Issued at HKT 19:46


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