The astronomical forecast shows that after January 31 this year, another wonderful total lunar eclipse will appear in the sky on July 28. When and where is the best time to observe the total lunar eclipse? Come and have a look.
Astronomy experts said that because the moon is in the apogee position, the total lunar eclipse is the longest lasting eclipse in the 21st century. According to the forecast, the initial loss of the total lunar eclipse is 2:24 on the 28th, the food is 3:30, the time of light generation is 5:14, and the time of reunion is 6:19. Among them, the most wonderful stage of total eclipse lasts for 1 hour and 44 minutes. This is the longest total lunar eclipse lasting at least 82 years.
Observation time:
3:30-5:14 a.m. on July 28, 2018
Best observation location:
According to the timing of the eclipse, only people in parts of South America, Africa, the Middle East and Asia can see it, while the best observatories are in East Africa, India, the Middle East and Western China.
Because it's Midsummer and the dawn is early, the whole process of total lunar eclipse may be observed in the western region of China, and the observation time in the eastern region can only last for more than four o'clock, but we can see 'eclipse and moon fall'.
How to observe? The observation of total lunar eclipse does not need too much equipment. It can be observed by naked eyes.
If there are more than seven times binoculars or telescopes, you can see more clear details, such as craters and the moon sea. As far as possible, the observation site should be a place with wide vision and few obstructions.
During an eclipse, the brightness and color of the moon surface can be divided into the following five levels:
Level 0: very dim, almost invisible;
Level 1: slightly bright, dark yellow, difficult to distinguish details;
Grade 2: slightly bright, black red or brown yellow, some dark spots in the center, quite bright on the outside;
Level 3: brick red, can see the details of the moon, but very fuzzy;
Level 4: copper red, very bright, very bright outside, slightly blue, large details can be seen.