Partial Solar Eclipse 2009.07.22 -- fotop.net photo sharing network


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七月二十二日（星期三）將出現一次日全食，亦是整個二十一世紀發生的日全食中歷時最長的一次，但在香港只可看見日偏食。這次日偏食的食分達0.748，即是食甚時，太陽有百分之七十四點八的直徑受月球所阻擋，這是自一九五八年以來香港可見食分最大的日食。

受日食及雲量變化影響，京士柏氣象站在日偏食期間錄得的紫外線指數下降了2、太陽輻射量降了約400W/m2及氣溫均有所下降，各區氣溫亦普遍略為下降，比昨日（七月二十一日）同時間低，最大跌幅接近攝氏三度。

Equipment

Leica APO-Televid 77, 800mm f/10.4, Canon EOS30D, Thousand Oaks Optical Type2+ Solar Filter

PSE20090722082213 (初虧)
Viewed: 54 times.

觀測日食期間經常受積雲影響
Viewed: 56 times.

Leica APO-Televid 77 equipped Type2+ Solar Filter
Viewed: 53 times.

PSE20090722085953
Viewed: 57 times.

PSE20090722090651
Viewed: 59 times.

PSE20090722092606 (食甚)
Viewed: 52 times.

PSE20090722094246
Viewed: 63 times.

PSE20090722095941
Viewed: 61 times.

PSE20090722101939
Viewed: 45 times.

PSE20090722103007
Viewed: 66 times.

PSE20090722103622
Viewed: 56 times.

PSE20090722104334
Viewed: 52 times.

PSE20090722104741 (復圓)
Viewed: 55 times.

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