Globular cluster · Delphinus
NGC 6934
Also known as: C47
mag 8.85.4′ across
About
NGC 6934 is a globular cluster of magnitude 8.8 in Delphinus, about 5.4′ across.
How to find it
- NGC 6934 is in the constellation Delphinus.
- Best evenings: around mid-September 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 73° S.
- Job’s Coffin: A globular cluster 4° south of Aldulfin, the tail star; a telescope.
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)A small fuzzy star.
- Telescope (6–8 inch)A bright round glow; its edges break into stars at high power.
For a dark country sky with no Moon. From a city, faint galaxies and nebulae can disappear completely.
Facts
| Designations | NGC 6934, C47 |
|---|---|
| Type | Globular cluster |
| Magnitude | 8.8The smaller the number, the brighter. |
| Apparent size | 5.4′the full Moon is 31′ across |
| Surface brightness | ≈ 21.1 mag/arcsec²Estimate from the magnitude and size, per square arcsecond. |
| Constellation | Delphinus |
| Right ascension (J2000) | 20h 34m 11.5s |
| Declination (J2000) | +07° 24′ 15″ |
More in Delphinus
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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 →