Globular cluster · Apus
NGC 6101
Also known as: C107
mag 9.24.5′ across
About
NGC 6101 is a globular cluster of magnitude 9.2 in Apus, about 4.5′ across.
How to find it
- NGC 6101 is in the constellation Apus.
- 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 8° 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
- EyesNot visible to the naked eye.
- Binoculars (10×50)Too faint for binoculars.
- Telescope (6–8 inch)A small round glow.
For a dark country sky with no Moon. From a city, faint galaxies and nebulae can disappear completely.
Facts
| Designations | NGC 6101, C107 |
|---|---|
| Type | Globular cluster |
| Magnitude | 9.2The smaller the number, the brighter. |
| Apparent size | 4.5′the full Moon is 31′ across |
| Surface brightness | ≈ 21.1 mag/arcsec²Estimate from the magnitude and size, per square arcsecond. |
| Constellation | Apus |
| Right ascension (J2000) | 16h 25m 48.6s |
| Declination (J2000) | −72° 12′ 06″ |
More in Apus
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 →