Emission nebula · Ara
NGC 6188 Rim Nebula
20′ across
About
NGC 6188, the Rim Nebula, is an emission nebula in Ara, about 20′ across.
How to find it
- NGC 6188 is in the constellation Ara.
- 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 31° 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)Hard to say: no reliable brightness is known.
- Telescope (6–8 inch)Brightness unknown, so probably a challenge.
For a dark country sky with no Moon. From a city, faint galaxies and nebulae can disappear completely.
Facts
| Designations | NGC 6188 |
|---|---|
| Type | Emission nebula |
| Apparent size | 20′ × 12′the full Moon is 31′ across |
| Constellation | Ara |
| Right ascension (J2000) | 16h 40m 05.8s |
| Declination (J2000) | −48° 39′ 44″ |
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 →