NGC 6633 (Mel 201)
NGC 6633 (Mel 201) is an open cluster in the constellation Ophiuchus, magnitude 4.6, 12′ across.
A 4.6-magnitude open cluster in Ophiuchus, about 12′ across.
When and where to see it
It is best placed in the evening sky around July, when it crosses the meridian at about 10 pm local time (around midnight in June). It can be seen from everywhere north of 83°S and never sets north of 83°N.
At its highest it stands 47° up from 50°N, 62° up from 35°N, 83° up from the equator, 48° up from 35°S.
Facts
- Type
- Open cluster
- Constellation
- Ophiuchus
- Designations
- Mel 201, Cr 380, Melotte 201, Collinder 380
- Magnitude
- 4.6
- Apparent size
- 12′
- Position
- RA 18h 27.3m, Dec +6° 30′ (J2000)
Open AstroPilot to see when NGC 6633 (Mel 201) is highest tonight from your location, how easy it is with your telescope or binoculars, and an eyepiece view.