Cetus
Cetus is the 4th biggest constellation in the night sky.
Aquila
Aquila is the 22nd largest constellation in the night sky and sits right on the celestial equator.
Aquarius
Aquarius is the 10th largest constellation in the night sky. It is best visible from latitudes 65°N to 86°S and is best seen from June to July. The brightest star in Aquarius is α Aquarii (Sadalmelik). Aquarius is home to the Helix Nebula (NGC 7293). The Helix Nebula is the closest planetary nebula…