Tonight (November 8), Tianyu will stage a total lunar eclipse. If you miss this opportunity, you may have to wait three years in our country.
So, when will this year's total lunar eclipse begin?
How to choose the best time and location for viewing and shooting in Chengdu area?
What to prepare in advance?
The reporter contacted Liao Kai, director of the Sichuan Astronomical Science Popularization Society, for a detailed explanation.
Liao Kai said that as far as the Chengdu area is concerned, the total lunar eclipse will start from 16:01:51 to 17:08:52, and this stage is called "the beginning of the penumbra eclipse"; at 17:08:52, the "initial loss" begins. The moon slowly enters the earth's shadow from the eastern edge, and the moon and the earth's umbra are circumscribed for the first time; 18:16:14, when they enter the "eclipse", the moon enters the earth's umbra and inscribes with the umbra for the first time; 18 : 59:07, the climax of the total lunar eclipse "eclipse even" appeared; 19:42:00, the total lunar eclipse came to the "light generation" stage, the moon moved in the earth's umbra, and cut inward with the earth's umbra for the second time; 20 : 29:22, the "returning circle" begins, the moon gradually leaves the earth's umbra, and circumscribes the earth's umbra for the second time; 21:56:23, the last stage "penumbra eclipse" comes, at this time, the moon Leaving the penumbra, the entire lunar eclipse process is officially over.
Although the total lunar eclipse starts after 4 pm, Liao Kai said that since the moon rises around 7 pm in Chengdu, including the entire Sichuan area, the total lunar eclipse seen is incomplete and can only be seen at the red moon stage. arrive.
"The total lunar eclipse is about to reach its climax before we can see it," Liao Kai said.
According to reports, this total lunar eclipse is more suitable for viewing in the eastern part of my country. If the weather permits, it may be seen on the top of Longquan Mountain.
"Looking from the highest possible place, you can avoid the occlusion of some low mountains, and also avoid the influence of atmospheric refraction caused by urban smog." However, today is cloudy weather, Liao Kai speculates that everyone will see the total lunar eclipse. Likelihood is less than 10%.
As for the issue of whether the moon of a total lunar eclipse is red, Liao Kai explained that the red moon is a phenomenon that all total lunar eclipses have, which is caused by atmospheric reasons. refracted onto the lunar surface."
Liao Kai reminds: When viewing a total lunar eclipse, you can watch it directly with the naked eye. If you have a monocular or binoculars, it will be the icing on the cake, and you can also take pictures with a mobile phone camera.
Chengdu Business Daily-Red Star News reporter Dai Jiajia