Sunspots – July 2014 Description: With the appropriate filters, observing and photographing the Sun allows us to discover a multitude of details. Sunspots are areas of lower temperatures than the rest of the Sun that are associated with a strong magnetic field....
The Sun on December 8, 2022 Description: Here is a good comparison of what can be observed on the sun through different filters. The bottom left photo shows the sun in natural colors with the use of a solar filter that reduces the brightness by 99.999% without...
Solar prominences on February 13, 2023 Description: Solar prominences are among the most spectacular manifestations of the sun’s activity. These are kinds of plasma tunnels which follow magnetized loops and develop in the space of a few hours to sometimes...
The sun on May 10, 2024 Description: On the evening of May 10, 2024, an intense magnetic storm erupted on Earth, causing aurora borealis of a rarely seen intensity. This magnetic storm occurred following the arrival of particles ejected by the Sun during a violent...
The sun in H-alpha on August 7, 2024 Description: Using an H-alpha (or Hydrogen-alpha) filter allows us to see solar activity in much more detail than in natural light. Dark spots are slightly cooler regions on the surface of the sun and are the starting point for...