It depends on whether you are an amateur observer or a professional observer. If you are a professional observer, all kinds of equipment should be very complete; if you are an amateur observer, because the sun is closer and larger, you need an astronomical camera equipped with a filter.

Observation is very easy with a telescope, not to mention that during a total solar eclipse, even with the naked eye you can see prominences, corona, beads, etc.

As for the specific time when it will occur, you need to check the solar eclipse table.

There is a cycle of solar eclipses, which repeats every 223 synodic months. This is called the Saros cycle.

But because the earth rotates, the same place does not see a solar eclipse every 223 synodic months.

Basically, when there is a total solar eclipse, enthusiasts rush to the total eclipse zone with equipment to observe.

It depends on whether you are an amateur observer or a professional observer. If you are a professional observer, all kinds of equipment should be very complete; if you are an amateur observer, because the sun is closer and larger, you need an astronomical camera equipped with a filter.

Observation is very easy with a telescope, not to mention that during a total solar eclipse, even with the naked eye you can see prominences, corona, beads, etc.

As for the specific time when it will occur, you need to check the solar eclipse table.

There is a cycle of solar eclipses, which repeats every 223 synodic months. This is called the Saros cycle.

But because the earth rotates, the same place does not see a solar eclipse every 223 synodic months.

Basically, when there is a total solar eclipse, enthusiasts rush to the total eclipse zone with equipment to observe.

The first choice for observing the solar eclipse is an astronomical telescope, because it is equipped with filters, which looks the best and can also take pictures. However, if you don’t have an astronomical telescope, you can also use a simple method, stacking several negatives, the effect is also good, or welding

The lens of the hat, the time of the solar eclipse must be when the sun, moon, and earth are in a straight line on the day. At this time, the shadow of the moon is projected on the earth, so that the solar eclipse can be seen in the shadow area, because every time

, when the three are in line, the height is different, so the time to see the solar eclipse in a certain area is different. This can be searched, and it is relatively easy to find.

You can blacken the glass with ink (or blacken it with a candle), put it in front of your eyes and look at the sun, or point the astronomical telescope at the sun and put a piece of paper behind the eyepiece of the sunglasses.

Let the sun's shadow cast onto the paper.

A total solar eclipse usually occurs every three hundred years.

There are many methods, such as stacking six layers of exposure film; looking through a telescope with a filter; or using an imaging screen to project.

It usually occurs on the first day of the Lunar New Year for naked eye observation: you can use the simplest film, aluminum sheet (must be thin) or gold sheet (same as aluminum sheet) for direct observation, but it is best to overlap several sheets of film and use them together. If the luminosity is not enough, then

Reduce the number of shading films in turn to achieve the best visual brightness.

The latter two suggest making simple observation glasses. The method is to sandwich the metal piece between two cardboard pieces, paint the inside black, and leave the outside blank. Finally, use tape to connect the metal piece to the outside (that is, outside the visual range).

If it's not simple enough for you, you can go to the Science and Technology Museum to buy sun observation glasses directly, and the price is only 6 to 15 yuan!

If you are observing with a filter, here is a better way than the general method (I personally think). Install a solar filter on your astronomical telescope and adjust its position so that it can always be pointed at the sun (this is not easy, but you can

You can use an equatorial mount to track the sun for observation), then put a black shadow board behind the eyepiece, adjust the distance from it to the eyepiece (usually not very far) so that the image of the sun appears on the cardboard, you will find that it is better than direct observation

It has many advantages: 1. The image is much larger than the original, making it easier to read and record pictures.

2. With your eyes liberated, you can observe and record at the same time without having to look at the telescope and then look at the drawings!

The "season" of total solar eclipse and lunar eclipse. The occurrence of solar and lunar eclipse must be that the new moon and full moon appear within a certain limit of the yellow and white nodes. This limit is called the "eclipse limit".

Calculations show that for a solar eclipse, if the new moon is within a range of about 18 degrees near the intersection of the ecliptic and the ecliptic, a solar eclipse may occur; if the new moon is within a range of about 16 degrees near the intersection of the ecliptic and the ecliptic, then

There must be a solar eclipse happening.

For a lunar eclipse, if the moon is within a range of about 12 degrees from the intersection of the ecliptic and the ecliptic, a lunar eclipse may occur; if the moon is within a range of about 10 degrees from the intersection of the ecliptic and the ecliptic, a lunar eclipse will definitely occur.

.

Since there are two intersections of the ecliptic and the ecliptic, and these two intersections are 180 degrees apart, there are two periods of time in a year where solar and lunar eclipses may occur. Both periods are called "eclipse seasons", and they are half a year apart.

.

The sun moves eastward about 1 degree on the ecliptic every day. Since the eclipse limit of a solar eclipse is about 18 degrees, it takes about 18 degrees for the sun to travel from 18 degrees west of the intersection of the ecliptic and the ecliptic to 18 degrees east of the intersection of the ecliptic and the ecliptic.

36 days, that is to say, each eclipse season lasts for 36 days.

For a lunar eclipse, its eclipse limit is about 12 degrees, so each eclipse season only has 24 days.

An eclipse season with several solar eclipses in a year lasts 36 days, which is longer than the average length of a synodic month of 29.53 days.