AI Insight
This is an astronomical observing guide for the period of July 31 to August 9, focusing on celestial events visible to amateur astronomers. Once the bright Moon sets early in the evening by Monday, observers can use the bright star Altair, positioned high in the southeastern sky, as a reference point to locate two smaller constellations: Delphinus (the Dolphin) and Sagitta (the Arrow), which are located approximately one fist-width at arm's length from Altair.
Why it matters
This observing guide helps amateur astronomers and stargazing enthusiasts plan their observations during a favorable viewing period when moonlight interference is minimal. The practical instructions using simple measurement techniques (fist at arm's length) make celestial navigation accessible to beginners without requiring specialized equipment.
Understand the Science
Once the bright Moon is out of the evening sky by Monday or so, use Altair high in the southeast to find little Delphinus and Sagitta roughly a fist at arm’s length from it.
The post This Week's Sky at a Glance, July 31 – August 9 appeared first on Sky & Telescope.