By Dave Fuller on 1/26/2015 7:24 PM
Algol is an interesting star name; it comes from the Arabic "ra's al-ghūl" that literally means "head of the ogre, or ghoul." While the evidence of our ancient ancestors having seen the variable nature of this star is lacking, it would behighly coincidental then that this star is also where Perseus is said to be holding the decapitated head of the Gorgon Medusa. Algol magnitude dip and brightenShe was the snake-headed beast that could turn living creatures to stone that were unfortunate enough to gaze upon her face.

And the star is a "winking" one; while the other stars in the heavens would have largely appeared of constant brightness, Algol may have been known to dip in brightness. Today, we know that period is 2 days, 20 hours and 49 minutes. 

Because of this, the star is not always...
By Dave Fuller on 11/3/2013 7:18 PM
Here's what's happening in the night sky for the week of November 4 thru November 10 Want to see what's up in the sky this week? This daily reminder chart will let you know lots of individual, time-sensitive events occurring. Also, don't miss this week's Eyes on the Sky video about the Moon and THREE Comets you can see: ISON, Encke and Lovejoy.

Not sure how to convert the Universal Times to your local time zone? For U.S. observers, click here. For other visitors, check this site.

Monday, Nov 4:  Look for one day old Moon about 20 to 40 minutes after sunset (use binoculars; see this week's Eyes on the Sky video) Look at stars in Cepheus...

The Nightlight

This blog includes what to see in the night and daytime skies, thoughts on telescopes, binoculars, and other astronomy observing accessories and equipment, plus my own occasional notes on objects I've seen and observed. Oh, and the random theater or other "my take on life" post. In other words, there is always something interesting. Check it out.