Canis Major

Canis Major is the 43rd biggest constellation in the night sky. It’s brightest star, Sirius (a.k.a. α Canis Majoris), is part of the winter triangle along with Betelgeuse in Orion, and Procyon in Canis Minor. It’s best seen from January to February at latitudes 56°N to 90°S. 

Canis Minor

Canis Minor is a two-star constellation while being the 71st smallest constellation in the night sky.

Cetus

Cetus is the 4th biggest constellation in the night sky.

Carina

Carina is the 34th largest constellation in the night sky.

Caelum

Caelum is number 81 on the size scale and is best visible in December to January at latitudes 41°N to 90°S.