Caldwell Objects
Caldwell 6 (NGC 6543) -- The Cat's Eye Planetary Nebula in Draco

Caldwell 8  (NGC 559)  -- Open Cluster in Cassiopeia

Caldwell 10 (NGC 663) -- Open Cluster in Cassiopeia

Caldwell 13 (NGC 457) -- Dragonfly Cluster in Cassiopeia

Caldwell 14 (NGC 884 & NGC 869) -- Open Clusters in Perseus

Caldwell 15 (NGC 6826) -- The Blinking Planetary Nebula in Cygnus

Caldwell 16 (NGC 7243) -- Open Cluster in Lacerta

Caldwell 17 & 18 (NGC 147 & 185) -- Elliptical Galaxies in Cassiopeia

Caldwell 19 (IC 5146) -- Cocoon Nebula in Cygnus

Caldwell 20 (NGC 7000) -- North American Nebula in Cygnus

Caldwell 21 (NGC 4449) -- Box Galaxy in Canes Venatici

Caldwell 22 (NGC 7662) -- Blue Snowball Planetary Nebula in Andromeda

Caldwell 28 (NGC 752) -- Open Cluster in Andromeda

Caldwell 31 (IC 405) -- Galactic Nebula in Auriga

Caldwell 33 (NGC 6992 & 6995) -- Eastern Section of the Veil Nebula in Cygnus

Caldwell 34 (NGC 6960) -- Western Section of the Veil Nebula in Cygnus

Caldwell 36 (NGC 4559) -- Spiral Galaxy in Coma Berenices

Caldwell 38 (NGC 4565) -- Spiral Galaxy in Coma Berenices

Caldwell 39 (NGC 2392) -- Eskimo Nebula in Gemini

Caldwell 40 (NGC 3626) -- Lenticular Galaxy in Leo

Caldwell 41 (Melotte 25) -- Hyades Open Cluster in Taurus

Caldwell 48 (NGC 2775) -- Spiral Galaxy in Cancer

Caldwell 49 (NGC 2237, 2238 & 2246) -- Emission Nebula in Monoceros

Claldwell 50 (NGC 2244) -- Open Cluster in Monoceros

Caldwell 54 (NGC 2506) -- Open Cluster in Monoceros

Caldwell 55 (NGC 7009) -- The Saturn Nebula in Aquarius

Caldwell 58 (NGC 2360) -- Open Cluster in Canis Major

Caldwell 59 (NGC 3242) -- Ghost of Jupiter Planetary Nebula in Hydra

Caldwell 63 (NGC 7293) -- The Helix Nebula in Aquarius

Caldwell 64  (NGC 2362) -- Open Cluster in Canis Major