Plot showing the brightness of the system over four months. It dims and then brightens again, in roughly the shape of an upside down fin.

Cool roundup of the citizen science #Astronomy work done by the #Unistellar Network and @setiinstitute science.unistellar.com/blog/2025-in-citizen-sci...

Here, for example, is the light curve of #EECep, which dims because of […]

[Original post on fediscience.org]

#EECep is an unusual binary star, a so-called "disk-occulting system". Every 5.6 years the Be-class primary is eclipsed by a dark dusty disk of its invisible secondary star, resulting in quite long eclipses of 57 days. One is currently happening, observed with my @unistellar.bsky.social #eVscope.