What is the night sky saying

I am not one to imagine things that aren’t there. For the last few weeks I have been noticing a bright light in the southeast sky. It is a very bright light and appears closer than stars.Algol in Perseus The light pulsates and appears to have some source of light around it at times. What can it be?

Wednesday, November 4
The variable star Algol in Perseus reaches minimum brightness at 8:32 p.m. EST, when it shines at magnitude 3.4. If you start watching it after darkness falls this evening, you can see it more than triple in brightness, to magnitude 2.1, over the course of a few hours. This eclipsing binary star runs through a cycle from minimum to maximum and back every 2.87 days. Algol appears in the northeastern sky after sunset and passes nearly overhead around midnight local time.

Source: http://astropixels.com/stars/Algol-01.html

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