Globular cluster · Corona Australis
NGC 6541
Also known as: C78
mag 6.37.5′ across
About
NGC 6541 is a globular cluster of magnitude 6.3 in Corona Australis, about 7.5′ across.
How to find it
- NGC 6541 is in the constellation Corona Australis.
- Best evenings: around early August 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 36° 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
- EyesAt the limit of vision from a very dark site, like a faint fuzzy star.
- Binoculars (10×50)A fuzzy ball, brighter towards the middle.
- Telescope (6–8 inch)Resolves into a swarm of stars at medium power, with a dense core.
For a dark country sky with no Moon. From a city, faint galaxies and nebulae can disappear completely.
Facts
| Designations | NGC 6541, C78 |
|---|---|
| Type | Globular cluster |
| Magnitude | 6.3The smaller the number, the brighter. |
| Apparent size | 7.5′the full Moon is 31′ across |
| Surface brightness | ≈ 19.3 mag/arcsec²Estimate from the magnitude and size, per square arcsecond. |
| Constellation | Corona Australis |
| Right ascension (J2000) | 18h 08m 02.3s |
| Declination (J2000) | −43° 42′ 57″ |
More in Corona Australis
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 →