Globular cluster · Boötes
NGC 5466 Snowglobe Cluster
mag 9.76.6′ across
About
NGC 5466, the Snowglobe Cluster, is a globular cluster of magnitude 9.7 in Boötes, about 6.6′ across.
How to find it
- NGC 5466 is in the constellation Boötes.
- Best evenings: around early June 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 51° 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 small round glow.
For a dark country sky with no Moon. From a city, faint galaxies and nebulae can disappear completely.
Facts
| Designations | NGC 5466 |
|---|---|
| Type | Globular cluster |
| Magnitude | 9.7The smaller the number, the brighter. |
| Apparent size | 6.6′the full Moon is 31′ across |
| Surface brightness | ≈ 22.4 mag/arcsec²Estimate from the magnitude and size, per square arcsecond. |
| Constellation | Boötes |
| Right ascension (J2000) | 14h 05m 27.4s |
| Declination (J2000) | +28° 32′ 04″ |
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 →