Spiral galaxy · Draco
NGC 6621 Edward's Galaxy
Also known as: NGC 6621N
mag 13.42.1′ across
About
NGC 6621, the Edward's Galaxy, is a spiral galaxy of magnitude 13.4 in Draco, about 2.1′ across.
How to find it
- NGC 6621 is in the constellation Draco.
- Best evenings: around early 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 12° 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, faint smudge that needs a dark sky and patience.
For a dark country sky with no Moon. From a city, faint galaxies and nebulae can disappear completely.
Facts
| Designations | NGC 6621, NGC 6621N, PGC 61582 |
|---|---|
| Type | Spiral galaxy (Sb) |
| Magnitude | 13.4The smaller the number, the brighter. |
| Apparent size | 2.1′ × 54″position angle 143°; the full Moon is 31′ across |
| Surface brightness | 23.2 mag/arcsec²Average over its disc, in the blue band: the lower the number, the easier it is to see. |
| Constellation | Draco |
| Right ascension (J2000) | 18h 12m 55.3s |
| Declination (J2000) | +68° 21′ 48″ |
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 →