Open cluster · Norma
NGC 6087 S Normae Cluster
Also known as: C89
mag 5.410′ across
About
NGC 6087, the S Normae Cluster, is an open cluster of magnitude 5.4 in Norma, about 10′ across.
How to find it
- NGC 6087 is in the constellation Norma.
- Best evenings: around mid-July it is highest at about 9 pm (10 pm in summer time); a month earlier, two hours later.
- Where on Earth: it is seen well, at least 10° up, from south of 22° N.
When it rises and sets tonight, how high it climbs and how much the Moon gets in the way are worked out in your browser for your place.
What you will see
- EyesA faint smudge at the limit of vision, only from a dark site.
- Binoculars (10×50)A small knot of stars, partly resolved.
- Telescope (6–8 inch)Dozens of stars, many sharp and some coloured.
For a dark country sky with no Moon. From a city, faint galaxies and nebulae can disappear completely.
Facts
| Designations | NGC 6087, C89 |
|---|---|
| Type | Open cluster |
| Magnitude | 5.4The smaller the number, the brighter. |
| Apparent size | 10′the full Moon is 31′ across |
| Constellation | Norma |
| Right ascension (J2000) | 16h 18m 50.6s |
| Declination (J2000) | −57° 56′ 05″ |
More in Norma
Sources and credits
Catalog data: OpenNGC by Mattia Verga, CC BY-SA 4.0, and d3-celestial by Olaf Frohn, BSD 3-Clause. All data sources →