Emission nebula · Canis Major
NGC 2359 Thor's Helmet
Also known as: LBN 1041
10′ across
About
NGC 2359 (Thor's Helmet) is an emission nebula in Canis Major, about 10′ across.
How to find it
- NGC 2359 is in the constellation Canis Major.
- Best evenings: around late February 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 67° 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 2359, LBN 1041 |
|---|---|
| Type | Emission nebula |
| Apparent size | 10′ × 5′the full Moon is 31′ across |
| Constellation | Canis Major |
| Right ascension (J2000) | 07h 18m 31.0s |
| Declination (J2000) | −13° 13′ 38″ |
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 →