The Great Square of Pegasus is an asterism formed by three bright stars in Pegasus constellation – Markab, Scheat and Algenib – and Alpheratz in the neighbouring constellation Andromeda. For northern observers, the asterism is particularly prominent in the summer months, when it can be seen high overhead in the evening.
The Veil Nebula is a diffuse nebula located in the northern constellation Cygnus, the Swan. Also known as Witch’s Broom Nebula, Bridal Veil Nebula, Cirrus Nebula, or Filamentary Nebula, it constitutes the visible parts of the Cygnus Loop, a supernova remnant in Cygnus. It is located at an approximate distance of 1,470 light years from … [Read more…]
Here are some of the highlights of the night sky in August: 9 PM southern sky – Mars and Saturn moving toward the western horizon after sunset, moving closer together as the month progresses 9 PM western sky – August 31 – Mars, Saturn and the crescent Moon in a triple conjunction 5:45 AM eastern … [Read more…]
The Summer Triangle is one of the most familiar patterns in the northern summer night sky. The three bright stars that mark the vertices of the Summer Triangle are Altair, Deneb, and Vega, the brightest stars in the constellations Aquila, Cygnus, and Lyra. The star pattern makes it easy to locate each of the three … [Read more…]
Deneb, Alpha Cygni, is the brightest star in Cygnus constellation and the most distant of all first magnitude stars. Deneb is a luminous blue supergiant. It is one of the stars that form the Summer Triangle, along with Altair in Aquila constellation and Vega in Lyra. Deneb is also the brightest star of the Northern … [Read more…]
The Southern Cross is one of the best known asterisms in the night sky, and the most familiar star pattern in the southern hemisphere. Composed of five stars forming the shape of a cross, it is the most distinctive feature of the constellation Crux, the smallest constellation in the sky. The Southern Cross is notable … [Read more…]