Top 20 deep sky objects for viewing
These are 20 of the best galaxies, star clusters, nebula and double stars that can be viewed with the naked-eye and make great targets for binocular viewing. They are ordered by constellation and list magnitude.
See also Top 20 targets for wide-field astrophotography.
Open star cluster in Cancer
magnitude 4
Emission nebula in Carina
magnitude 3
Globular star cluster in Crux
magnitude 4.2
Dwarf galaxy in Dorado
magnitude 0.9
Globular star cluster in Hercules
magnitude 5.9
Globular star cluster in Centaurus
magnitude 3.6
Emission nebula in Orion
magnitude 4
Open star cluster in Perseus
magnitude 1.2
Double globular star cluster in Perseus
magnitude 4.3
Open star cluster in Scorpius
magnitude 4.2
Globular star cluster in Scorpius
magnitude 5.9
Open star cluster in Taurus
magnitude 0.5
Dwarf galaxy in Tucana
magnitude 2.7
20. Mizar/Alcor
Binary stars in Ursa Major
magnitude 2/4