Messier M46
Open Cluster M46
Open Cluster
Puppis
Beginner
Contains PN NGC 2438.
Angular size
27′
Magnitude
6.1
Best months
Nov-Mar
Constellation
Puppis
Catalog IDs
M46
Common aliases
NGC 2437
Recommended telescopes
Explore Scientific
1140mm f/7.5 · 152mm aperture
Frames 38% of APS-C FOV