Constellations in December

The following constellations can best be observed in the month of December at a geographical latitude of 47° North (Switzerland).

IAU Name English Name Opposition Season Declination DSO
Andromeda (And)Chained Maiden4 OctoberJun … Feb+53.2°+21.7°25
Antlia (Ant)Air Pump17 FebruaryDec … Apr-24.5°-40.4°0
Aquarius (Aqr)Water Bearer28 AugustJul … Dec+3.3°-24.9°7
Aries (Ari)Ram4 NovemberAug … Feb+31.2°+10.4°5
Auriga (Aur)Charioteer19 DecemberAug … Apr+56.2°+27.9°17
Bootes (Boo)Herdsman2 MayDec … Sep+55.0°+7.4°4
Caelum (Cae)Engraving Tool2 DecemberOct … Jan-27.0°-48.7°1
Camelopardalis (Cam)Giraffe21 DecemberSep … Mar+86.1°+52.7°12
Cancer (Cnc)Crab27 JanuaryNov … May+33.1°+6.5°5
Canis Maior (CMa)Great Dog2 JanuaryNov … Feb-11.0°-33.3°7
Canis Minor (CMi)Lesser Dog12 JanuaryOct … Apr+13.2°-0.4°3
Cassiopeia (Cas)Seated Queen8 OctoberJul … Jan+77.7°+46.7°38
Cepheus (Cep)King25 AugustMay … Dec+88.7°+53.4°28
Cetus (Cet)Sea Monster18 OctoberSep … Dec+10.5°-24.9°9
Columba (Col)Dove18 DecemberNov … Feb-27.1°-43.1°1
Coma Berenices (Com)Bernice's Hair30 MarchDec … Jul+33.3°+13.3°24
Cygnus (Cyg)Swan29 JulyMar … Dec+61.4°+27.7°40
Eridanus (Eri)River23 NovemberSep … Feb+0.4°-57.9°2
Fornax (For)Furnace6 NovemberNov … Jan-23.8°-39.5°4
Gemini (Gem)Twins6 JanuaryOct … Apr+35.4°+9.8°12
Lacerta (Lac)Lizard28 AugustMay … Dec+56.9°+35.2°3
Leo (Leo)Lion27 FebruaryNov … May+33.0°-6.7°16
Leo Minor (LMi)Lesser Lion21 FebruaryOct … Jun+41.4°+22.8°5
Lepus (Lep)Hare14 DecemberOct … Feb-10.8°-27.3°4
Lynx (Lyn)Lynx17 JanuaryNov … Apr+62.0°+33.0°11
Lyra (Lyr)Lyre2 JulyFeb … Dec+47.7°+25.7°7
Monoceros (Mon)Unicorn2 JanuaryOct … Mar+11.9°-11.4°19
Orion (Ori)Hunter14 DecemberSep … Mar+22.9°-11.0°21
Pegasus (Peg)Winged Horse4 SeptemberJun … Dec+36.6°+2.3°19
Perseus (Per)Hero16 NovemberAug … Mar+59.1°+30.9°20
Pisces (Psc)Fishes4 OctoberJul … Jan+33.7°-6.3°5
Puppis (Pup)Stern13 JanuaryNov … Feb-11.3°-51.1°10
Pyxis (Pyx)Compass31 JanuaryDec … Mar-17.4°-37.3°2
Sculptor (Scl)Sculptor30 SeptemberAug … Dec-24.8°-39.4°5
Sextans (Sex)Sextant19 FebruaryDec … May+6.4°-11.7°1
Taurus (Tau)Bull28 NovemberAug … Mar+31.1°-1.3°11
Triangulum (Tri)Triangle26 OctoberJun … Mar+37.3°+25.6°7
Ursa Maior (UMa)Great Bear27 FebruaryNov … Jul+73.1°+28.3°24
Ursa Minor (UMi)Little Bear9 MayJan … Dec+90.0°+65.4°1
Vulpecula (Vul)Fox24 JulyMar … Dec+29.5°+19.4°17

Opposition: The center of the constellation asterism is in opposition to the Sun on this day, i. e., it is at its highest point in the sky at local midnight. — Season: During these months, the constellation can be observed at night at a geographical latitude of 47° North. In the case of circumpolar constellations, these are near the zenith. — Declination: Northern and southern extent of the IAU constellation boundaries. — DSO: Number of described deep-sky objects.