Harvard 20 (Cr 408)
Harvard 20 (Cr 408) is an open cluster in the constellation Sagitta, magnitude 7.7, 5.1′ across.
A 7.7-magnitude open cluster in Sagitta, about 5.1′ across.
When and where to see it
It is best placed in the evening sky around August, when it crosses the meridian at about 10 pm local time (around midnight in July). It can be seen from everywhere north of 72°S and never sets north of 72°N.
At its highest it stands 58° up from 50°N, 73° up from 35°N, 72° up from the equator, 37° up from 35°S.
Facts
- Type
- Open cluster
- Constellation
- Sagitta
- Designations
- Cr 408, Collinder 408
- Magnitude
- 7.7
- Apparent size
- 5.1′
- Position
- RA 19h 53.1m, Dec +18° 20′ (J2000)
Open AstroPilot to see when Harvard 20 (Cr 408) is highest tonight from your location, how easy it is with your telescope or binoculars, and an eyepiece view.