Partial lunar eclipse to be visible in Taiwan early Tuesday

2017/08/07 17:47:30 fontsize-small fontsize-default fontsize-big
Partial lunar eclipse to be visible in Taiwan early Tuesday

Taipei, Aug. 7 (CNA) Chances are good that astronomy buffs in northern and central Taiwan will be able to see a partial lunar eclipse from early Tuesday, as mostly clear skies are forecast during the five-hour celestial event, the Central Weather Bureau said that day.

The partial lunar eclipse is expected to take place between 11:48 p.m. Monday and 4:53 a.m. Tuesday, when the sun, the earth and the moon line up, according to the Taipei Astronomical Museum.

The phenomenon will not be observable until 1:22 a.m. Tuesday, when the moon is in the earth's penumbra -- the part of a shadow where the light source, or the sun, is only partially blocked.

The partial lunar eclipse will become more visible between 1:22 a.m. and 3:19 a.m., with the peak falling at 2:21 a.m., when the moon reaches its closest to the center of earth's umbra -- the innermost and darkest part of a shadow -- said museum researcher Hu Chia-ling (胡佳伶).

About 6 percent of the moon's surface will be shadowed during the event's peak, Hu said.

The moon will retreat to the earth's penumbra again between 3:19 a.m. and 4:53 a.m., she said.

The last time a similar event occurred in Taiwan was on April 4, 2015, when a total lunar eclipse took place, Hu said, adding that there will be another blood moon on Jan. 31 next year.

Hu also reminded the public to keep following another extraordinary celestial event this month, when the earth will cross the shadow of the moon on Aug. 21, creating a rare total solar eclipse, although it will be visible only in the United States.

"It will be an overwhelming event," Hu said, adding that such an event will not be visible in Taiwan until 2061.

(By Lee Hsin-Yin)

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