C/2021 A1 (Leonard) is a long-period comet. It was discovered on January 3 this year. It was the first comet discovered in 2021. It was 5AU (about 750 million kilometers) away from the sun, and it would take more than a year. Will arrive at perihelion. The Taipei Planetarium stated that the comet has a period of about 70,000 years. It is expected to be the closest to the earth on December 13, and then gradually move away. It is the best time to view it until the 12th, and there is even a chance to observe it with the naked eye.
▼C/2021 A1 is the first comet discovered in 2021. (Photo/Retrieved from Facebook of Nanying Planetarium)
The Taipei Planetarium pointed out that C/2021 A1 (Leonard) was discovered by GJ Leonard, a researcher at the University of Arizona, through the Mount Leman Observatory on January 3 this year. The current total brightness is only about 11 levels. It will be the closest to the earth and the brightest on December 13, 2021. It is roughly estimated that the total brightness will reach 1.9 by that time. It may be the brightest comet in 2021, and there is a chance to see it with the naked eye before dawn.
➤Wish to be healthy next year!It’s better to rely on this file to achieve
Nanying Planetarium added that the “C” in the name of the comet indicates that it is a non-periodic comet or has a period of more than 200 years. According to orbital parameters, it is estimated that C/2021 A1 (Leonard) takes 70,000 years to orbit the sun; 2021 A1 It is the time when it was discovered. 2021 is the year of discovery, A represents the first half of January (A, B, C, D… are arranged in the order every half month), and the number 1 is the discovery in this time period First comet.
▼Taipei Planetarium stated that the comet has a period of about 70,000 years and is expected to be the closest to the earth on December 13, and then gradually move away. (Photo/Retrieved from Facebook of Nanying Planetarium)
The Nanying Planetarium mentioned that the current brightness of the comet is about 7 to 8, moving from the constellation Canis to the constellation of Boves, and can be photographed with a large telescope in the early morning before sunrise. By December 13, the comet’s brightness is expected to rapidly increase to 4th magnitude visible to the naked eye. The comet will be the closest to the earth, in the position of Ophiuchus. It will be seen at low altitude in the southwest after sunset at dusk, but the elevation angle is low. Look for unobstructed locations near the horizon to be suitable for viewing.
●The above remarks do not represent the position of Dongsen News.
Article source: Missed this life, no chance… 70,000 years, I saw the “mysterious comet” for the first time, I can see it with the naked eye if I have a chance
Reprinted with authorization from “CTWANT”.
(Cover image / Provided by Taipei Planetarium)
GoodDay Youai Sing Aloud Concert 12/18 to 1/2 Triple Xian Sing Gong is free to sing!
[GoodDay You Love Sing Loudly]Embrace the Good Day Charity Concert is a charity concert that gathers love and thoughts. We hope to deliver warmth to the corners of need through music, fairs and donations! Starting from 12.18 (Saturday), there will be 6 free concerts for 3 consecutive weekends. We will sing enthusiastically in the square next to Exit 3 of Sanchong Xianse Palace MRT Station in New Taipei City, and invite 31 heavyweight artists to participate! Admission is open at 1 pm that day. In addition to the delicious food and fun, there will be children’s favorite YOYO family performances at 3~4 pm. If you can’t attend the evening concert, please lock in Dongsen Supervision, Dongsen Drama Channel, and Dongsen News YouTube and Dongsen The news fan group will live live, and sing loudly with “Good Day” at any time. The donation proceeds will eventually be donated by the[Children and Children Social Welfare Charity Foundation]to the[New Taipei City Good Day Love Platform]to pass the love to disadvantaged families and students together.