Thor's Helmet - emission nebula

Thor's Helmet, also known as the Duck Nebula, is a emission nebula located in the constellation Canis Major.

Thor's Helmet is magnitude and is in size. For reference, the full moon is 30' (arc minutes) or 0.5° in size.

1. Name:
2. Thor's Helmet

1. Alt Name:
2. Duck Nebula

1. Type:
2. emission nebula

1. Constellation:
2. Canis Major

1. NGC:
2. NGC 2359

* One can see up to magnitude 7-8 objects with perfect eyes under ideal dark sky conditions.