Supermoons, lunar eclipse, meteor shower this month

By: - Reporter / @jgamilINQ
/ 07:12 AM January 03, 2018

Blue moon on July 31, 2015, as seen over Manila. —RICHARD A. REYES

The New Year’s Eve fireworks may be over, but there will be a few spectacular natural light shows still to watch in the night skies this month, including falling stars, two supermoons and an eclipse of the blue blood moon, the first such celestial phenomenon in more than 150 years.

Two full moons will be occurring this month, according to the astronomical diary for January of the Philippine Atmospheric, Geophysical and Astronomical Services Administration (Pagasa).


The first full moon on Jan. 2 will be followed by another on Jan. 31. The second full moon that occurs in the same month is popularly called blue moon.

Both full moons will also be supermoons, so-called when the moon comes within about 361,000 kilometers of the Earth, which is at or near the perigee—the point in the moon’s orbit when it is closest to our planet, making it look bigger and brighter from the ground than the usual full moon.


The moon would be about 356,846 km from the Earth on Jan. 2 and estimated to be 360,199 km away on Jan. 31, according to Pagasa.

Total lunar eclipse

The Jan. 31 super blue moon will be made even more special by a total lunar eclipse, when the Earth is positioned between the moon and the sun and the planet’s shadow blots the moon out of view.

The total eclipse will be visible in Asia, including the Philippines, South America, North America, the Middle East, eastern Africa, eastern Europe, the Pacific Ocean and the Indian Ocean, according to Pagasa.

Total lunar eclipses are colloquially called “blood moons” due to the red hue seen on the moon’s surface from reflected sunrises and sunsets on Earth, the US National Aeronautics and Space Administration (Nasa) said in an article on this month’s supermoons on its website.

Nasa called the Jan. 31st full moon a royal spectacle—a super blue blood moon.

Space.com, which bills itself as the premier source of space exploration, innovation and astronomy news, said the total eclipse of a blue moon has not happened in more than 150 years.


“Before 2017, there was an 8-percent partial eclipse on Dec. 31, 2009, but, for a total eclipse of a blue moon, we have to go all the way back to March 31, 1866,” it said. “So, the upcoming eclipse on Jan. 31 will be the first total eclipse of a blue moon in nearly 152 years!”

6:49 p.m., Jan. 31

In the Philippines, the Jan. 31 lunar eclipse is expected to begin at 6:49 p.m., reach its greatest, or peak, phase at 9:29 p.m., and end at 12:09 a.m. on Feb. 1.

Pagasa said lunar eclipses were safe to watch with the naked eye.

Pagasa said another nighttime spectacle, the annual Quadrantid meteor shower has been visible since Jan. 1 and could be seen until Jan. 7. The meteor shower is expected to reach its peak tonight (Jan. 3) until the wee hours of Jan. 4.

At least 40 meteors, or falling stars, could be seen per hour, with the meteors speeding through the atmosphere at the rate of about 40 km per second, Pagasa said.

The shower will appear to radiate from the Bootes constellation.

TOPICS: Astronomy, celestial phenomena, Lunar eclipse, Meteor Shower, Pagasa, Supermoon
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