1. Arcturus in the constellation of Shepherd, Denebola in the constellation Leo, and Spica in the constellation Virgo form a large triangle in spring.

2. Vega in the constellation Lyra, Altair in the constellation Eagle, and Deneb in the constellation Swan form a large triangle in summer.

3. Marqab, Sheet, Algnib in Pegasus and Alperatz in Andromeda form a metabolic square in the fall.

4. Sirius of the great canine, Betelgeuse of the Orion, and Pricyon of the small dog form a large triangle in winter.