The Great Square of Pegasus
Back to Article List This famous four-star asterism marks the body of Pegasus the Winged horse and can…
An introduction to common astronomical catalogs
Back to Article List From the August 2025 issue Astronomers use many lists to keep track of deep-sky…
The Sky Today on Sunday, August 24: Virgo’s double star, Porrima
Back to Article List Ruddy planet Mars is just under 3° south of the twin suns that make…
Open cluster NGC 6910 shines near Gamma Cygni
Back to Article List NGC 6910 is a bright open cluster in Cygnus the Swan, visible overnight as…
The Southern Delta Aquariid meteor shower peaks
Back to Article List Morning and evening observers can catch shooting stars associated with both the Southern Delta…