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Constellation · Crt

Crater

The Cup

A faint constellation south of Leo and Virgo; its brightest stars are only about magnitude 3.6.

Equatorial skyGenitive: Crateris
Find Crater in the sky map
Star chart of Crater: its brightest stars joined by the traditional constellation figure inside the IAU boundary, north up and east to the left
Chart drawn from the Hipparcos catalogue (stars to magnitude 6). North is up, east is left. The dashed line is the official IAU boundary.
Brightest star
Labr (Delta Crateris)

Magnitude 3.56

Best seen
April

Highest in the sky at 9 pm local time (spring in the northern hemisphere)

Whole constellation visible from
90°S to 65°N

Latitudes where every part of it rises above the horizon at some time of year

Approximate area
280 sq. degrees

The whole sky covers about 41,253 square degrees

Origin
One of Ptolemy's 48 ancient constellations (2nd century)
Catalogue stars
18

Stars brighter than about magnitude 6, the naked-eye limit under dark skies

Named stars in Crater

Brightest first. A lower magnitude means a brighter star.

  • Labr (Delta Crateris)mag 3.56
  • Alkes (Alpha Crateris)mag 4.08
  • Al Sharasif (Beta Crateris)mag 4.46

Can you see Crater from where you live?

This depends only on your latitude. Pick the row nearest to you; for your exact sky tonight, use the sky map.

LatitudeCrater
60°NThe whole constellation rises and sets
40°NThe whole constellation rises and sets
20°NThe whole constellation rises and sets
the equatorThe whole constellation rises and sets
20°SThe whole constellation rises and sets
40°SThe whole constellation rises and sets
60°SThe whole constellation rises and sets

Questions about Crater

When is Crater best seen?

Crater stands highest in the sky at 9 pm local time in April. That makes spring evenings the best time for observers in the northern hemisphere; in the southern hemisphere the season is reversed.

What is the brightest star in Crater?

The brightest star in Crater is Labr (Delta Crateris), magnitude 3.56.

Where on Earth can you see Crater?

The whole of Crater can be seen from latitudes between about 90°S and 65°N. From 40°N: The whole constellation rises and sets. From 35°S: The whole constellation rises and sets.

What does Crater mean?

Crater is Latin for "the Cup". One of Ptolemy's 48 ancient constellations (2nd century).