This visible light image of the sun was captured on June 12, 2025. Two large sunspots are easily visible with many others smaller a little more difficult to see. This view is the same that you will get through a small telescope with an attached sunscreen. Credit: NASA scientific display study
Every 11 years, activities on the peaks of the sun. Other sunscreen, prominences, rockets and other phenomena are seen on the face of our star, moreover, there is an increase in the lights visible here on Earth. This period of time is called the solar cycle and we are in the middle of the peak of the current one, the solar cycle 25. These periods do not last exactly 11 years. They vary in length from 8 to 14 years, with an average of 10.7 years.
A little history
Although the repeated cycle of the sunscreen was seen for the first time in the mid -18th century, the fact that the sun crossed the cycles was identified for the first time by the German amateur astronomer Samuel Heinrich Schwabe in 1843 in 1843. Based on its 40 years of Swiss observations, also the designation wolf, so every day, the wolf of designation, so the wolf, so the designation. Every day, the designation wolf, so every day, the designation wolf, so every day, the designation wolf, so the designation wolf. The number of them is now called the number of wolf.
Times not so active
Solar activity, measured mainly by the numbers of sunscreen, has fallen for long periods in the last 3000 years. Even before people began to count solar stains, however, scientists are able to measure solar activity by studying rings of the trees and elemental deposits on earth.
The first so -called Solar Solar Minimum of the six recognized in this period of time is the minimum Homeric, which lasted from the 1800s of about 600 BC others lasted between 40 and 150 years. During these periods, solar spots are rarely seen in the sun.
Observe: safely
But this is not one of those times. In fact, in recent years the counts of the sunscreen have been strong and the amateur astronomers have seen or photographed many beautiful displays. Observing the sun is easy, but it can be dangerous unless you have an adequate filter. Before the solar eclipse, Eclipse viewing glasses are sold and given by the millions. These cardboard glasses have special Mylar lenses that reduce sunlight to a safe level for human eyes. For a quick, not magnified, look at the sun you can use one.
But you will not see sudden spots unless one is about twice the diameter of the earth. These points appear, even if rarely. For a better view, point a telescope with an approved solar filter – attached to its front – in the sun. So you can change the magnifications by simply changing your eyes, just like you do when you are observing a nocturnal celestial object. Remember, however, The filter always goes in the front of the perspective you are using – Your eyes, binoculars (you will need two filters) or a telescope. By observing the sun, you will actually double the use of your telescope. Good luck!
