Open cluster · Aquila
NGC 6756 Possible Binary Cluster
mag 10.63.6′ across
About
NGC 6756, the Possible Binary Cluster, is an open cluster of magnitude 10.6 in Aquila, about 3.6′ across.
How to find it
- NGC 6756 is in the constellation Aquila.
- Best evenings: around late 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 north of 75° S.
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 faint, sparse group.
For a dark country sky with no Moon. From a city, faint galaxies and nebulae can disappear completely.
Facts
| Designations | NGC 6756 |
|---|---|
| Type | Open cluster |
| Magnitude | 10.6The smaller the number, the brighter. |
| Apparent size | 3.6′the full Moon is 31′ across |
| Constellation | Aquila |
| Right ascension (J2000) | 19h 08m 42.6s |
| Declination (J2000) | +04° 42′ 21″ |
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 →