KOMPAS.com- Starting May 2021, there are a number of phenomena that will decorate the sky Indonesia and can be used as an alternative entertainment during the holidays at home. From the top meteor Rain Eta Aquarids, conjunction of the moon, to celestial phenomena moon eclipse.
Here are some of the sky phenomena in May 2021 that you can write down the complete schedule.
1. Tripel Lunar Conjunctions, Jupiter, Saturn: May 3-6, 2021
Based on written information from the National Institute of Aeronautics and Space (LAPAN), the moon will experience triple conjunction with Jupiter and Saturn for four consecutive days.
This phenomenon will occur from 3 to 6 May, from 2.00 local time until the end of the maritime dawn or 20-24 minutes before the sun rises from the East-Southeast direction.
2. Peak Meteor Rain Eta Aquarids: 6 Mei 2021
Celestial phenomenon, Eta Aquarids meteor shower This has been active from April 19 to May 28, 2021.
However, researchers at the LAPAN Space Science Research Center, Andi Pangerang Hasanuddin, said that the peak of this meteor shower will occur on May 6, namely at 09.00 WIB, 10.00 WITA and 11.00 WIT.
3. Triple Conjunctions Aldebaran-Mercury-Venus: 12 May 2021
This moon sky phenomenon The next interesting thing that is expected to coincide with the 1st night of Shawwal or Eid al-Fitr 1442 Hijri for Muslims in 2021 is the triple conjunction between Aldebaran, Mercury and Venus.
This phenomenon can be observed from the beginning of the nautical twilight, which is about 42 minutes after sunset, from the West-Northwest direction when the young crescent moon (hilal) begins to set.
4. New Moon Phase Micro: 12 Mei 2021
On the same day as the triple conjunction of Aldebaran, Mercury and Venus, there was also another phenomenon, namely new moon phase micro or micro new moon.
Micro new moon is a new moon phase, which occurs in close proximity to the lunar Apogee.
However, you will be able to observe the celestial phenomenon of this micro new moon first, because on May 12, you can watch it from 01.59 WIB while the moon perigee occurs three hours later, namely at 05.09 WIB.
5. Aldebaran, Mercury, Venus, Moon Quartet Conjunctions: May 13-14, 2021
In May 2021, there seems to be plenty of time to properly observe events related to the star Aldebaran.
After conjunction with the planets Mercury and Venus alone on May 12, 2021. Then on May 13-14, 2021, Aldebaran will experience a quartet conjunction with Mercury, Venus and the Moon.
You can observe this event during the early evening of the sea from the West-Northwest direction.
6. Sky Parade: May 15, 2021
Andi explained, a day after the conjunction of the quartet, there would be a Sky Parade between Aldebaran, Venus, Mercury, Moon, Mars, and Pollux which are in line in the sky.
“Mid-May this time is a long-awaited moment because some celestial objects will look fresh and stretch from the Northwest to the Northwest at the end of the twilight,” Andi was quoted as saying by Kompas.com from science education site eight.
“This phenomenon is also known as the Sky Parade,” he added.
7.The conjunction of the Moon and Mars: May 17, 2021
Peak conjunctions of the Moon and Mars, 17 May 2021 will occur at 09.13 WIB, 10.13 WITA, 11.13 WIT with a separation angle of 1.67 degrees.
However, you can observe it at dusk or 42 minutes after sunset from the west side of the sea with an angle of 2.89 degrees.
8.Lunar Conjunction and Pollux: May 17, 2021
On the same night, the moon will not only be in conjunction with Mars, but will also align with the star Pollux, the main star in the constellation Gemini.
You can see this celestial phenomenon during early maritime twilight, when the sun is -6 degrees from the north west with a separation angle of 5.46 degrees.
9. Retrograd Saturn: 23 May 2021
Retrograde is the motion of a planet that appears in the opposite direction from East to West, compared to its normal motion from West to East when viewed from Earth.
The Saturn retrograde will start at 16.27 WIB, 17.27 WITA, 18.27 WIT on 23 May 2021, and is located in the Capricorn constellation.
10. Moon eclipse Total Perige: 26 May 2021
The Total Perige lunar eclipse or also known as the Super Blood Moon will occur on May 26, 2021 in the Indonesian sky.
Andi explained that this eclipse occurs due to the configuration of the Moon, Earth and Sun which form a straight line and the Moon is around its orbital node or the intersection of the Moon’s orbit and the ecliptic, so that the Moon enters the Earth’s umbra shadow.
This eclipse can be witnessed when the Moon rises from East-Southeast to Southeast near the constellation Scorpius.
11. Full Moon phase near Antares: 27 May 2021
After the total perige lunar eclipse on May 26, the next night there will be Bula Purnama.
Interestingly, this time the Full Moon phase will be in conjunction with the Antares star at 02.53 WIB, May 27, 2021.
12. The Sun Above the Kaaba: May 27, 2021
On the same day as the Full Moon phase near Antares, during the day the Sun will be above the Ka’bah.
This phenomenon also called istiwaúl A’zhaum (Great Culmination) occurs when the declination of the Sun is equal to the geographical latitude of the Ka’bah, so that at noon, the Sun is right above the Ka’bah.
13. Retrograd Merkurius: 30 May 2021
Apart from the Planet Saturn, retrograde will also occur on the Planet Mercury.
Although, the Mercury retograd starts on May 30 at 05.45 WIB, 06.45 WITA, 07.45 WITA, the peak will only occur when the inferior conjunction is on June 11 and ends on June 23.