Western asterism
Ptolemy's Triangle
This is an asterism, not one of the 88 official IAU constellations.
Part of: Bootes, Corona Borealis
Visibility
Northern sky
Best placed
April, May, June
Difficulty
easy
Pattern
3 stars, 3 lines
About
Ptolemy's Triangle is a Western-tradition asterism spanning Bootes, Corona Borealis, not itself one of the 88 official IAU constellations.
- Ptolemy's Triangle is a Western-tradition asterism - a recognizable star pattern that is not itself one of the 88 official IAU constellations.
- This pattern connects 3 stars with 3 lines in this game's stick-figure convention.
- Its brightest named star in this pattern is Arcturus (apparent magnitude -0.05).
- Spans part of: Bootes, Corona Borealis.
Important Stars
ArcturusAlpheccaSeginus