Spiral galaxy · Camelopardalis
NGC 2403
Also known as: C7
mag 8.420′ across
About
NGC 2403 is a spiral galaxy of magnitude 8.4 in Camelopardalis, about 20′ across.
How to find it
- NGC 2403 is in the constellation Camelopardalis.
- Best evenings: around early March 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 14° 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)A misty oval with a brighter centre.
- Telescope (6–8 inch)A bright core in a fainter halo. The spiral arms are hard to see without a camera, even from a dark site.
For a dark country sky with no Moon. From a city, faint galaxies and nebulae can disappear completely.
Facts
| Designations | NGC 2403, C7, PGC 21396, UGC 3918 |
|---|---|
| Type | Spiral galaxy (SABc) |
| Magnitude | 8.4The smaller the number, the brighter. |
| Apparent size | 20′ × 10′position angle 126°; the full Moon is 31′ across |
| Surface brightness | 23.5 mag/arcsec²Average over its disc, in the blue band: the lower the number, the easier it is to see. |
| Constellation | Camelopardalis |
| Right ascension (J2000) | 07h 36m 51.4s |
| Declination (J2000) | +65° 36′ 09″ |
More in Camelopardalis
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 →