The following are some of the space phenomena that occurred in the fourth week of this month, as reported by the National Institute of Aeronautics and Space (LAPAN), Wednesday (24/5/2021).
Pollux Moon Conjunction (March 23)
The moon is in conjunction with Pollux, the main star in the constellation Gemini, at 17.26 WIB with a separation angle of 5.5 °. However, this phenomenon can only be witnessed at the end of the nautical twilight (Sun altitude -12 °) from the north with a separation angle of 3.08 °.
Meanwhile, the last sighting occurred the next day (March 24) at 01.20 local time from the west-northwest direction with a separation angle of 4.67 °.
The moon is in the initial bump or big Moon with 68.5% illumination, while Pollux has a brightness of +1.15.
Regulus Conjunction (March 25-26)
The moon will conjunction with Regulus, the main star in the constellation Leo, on March 26 at 07.17 WIB with a separation angle of 4.7 °. However, this phenomenon has been witnessed since the night before (March 25) when the end of the maritime twilight (Sun altitude -12 °) from the east-northeast direction with a separation angle of 9.9 °.
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