D Cluster (Collinder 21)
The D Cluster (Collinder 21) is an asterism located in the northern constellation Triangulum. It appears near Mothallah (Alpha Trianguli), one of the three bright… Read More »D Cluster (Collinder 21)
Mirach
Rose Galaxy (Arp 273)
The Rose Galaxy is a pair of interacting spiral galaxies located approximately 300 million light years away in the constellation Andromeda. The interacting duo –… Read More »Rose Galaxy (Arp 273)
Algol
Algol, Beta Persei, is a bright multiple star located in Perseus. It is the second brightest star in the constellation, after Mirfak, Alpha Persei. The… Read More »Algol
Great Square of Pegasus
The Great Square of Pegasus is an asterism formed by three bright stars in Pegasus constellation – Markab, Scheat and Algenib – and Alpheratz in… Read More »Great Square of Pegasus
Triangulum Galaxy – Messier 33
The Triangulum Galaxy, also known as Messier 33 (M33), is a spiral galaxy in Triangulum constellation. The galaxy’s designation in the New General Catalogue is NGC… Read More »Triangulum Galaxy – Messier 33