All Constellations
All 88 constellations defined by the International Astronomical Union (IAU).
| IAU Name | English Name | Opposition | Season | Declination | DSO | |
|---|---|---|---|---|---|---|
| Andromeda (And) | Chained Maiden | 4 October | Jun … Feb | +53.2° | +21.7° | 25 |
| Antlia (Ant) | Air Pump | 17 February | Dec … Apr | -24.5° | -40.4° | 0 |
| Apus (Aps) | Bird of Paradise | 22 May | -67.5° | -83.1° | 1 | |
| Aquarius (Aqr) | Water Bearer | 28 August | Jul … Dec | +3.3° | -24.9° | 7 |
| Aquila (Aql) | Eagle | 14 July | Jun … Sep | +18.7° | -11.9° | 21 |
| Ara (Ara) | Altar | 10 June | -45.5° | -67.7° | 3 | |
| Aries (Ari) | Ram | 4 November | Aug … Feb | +31.2° | +10.4° | 5 |
| Auriga (Aur) | Charioteer | 19 December | Aug … Apr | +56.2° | +27.9° | 17 |
| Bootes (Boo) | Herdsman | 2 May | Dec … Sep | +55.0° | +7.4° | 4 |
| Caelum (Cae) | Engraving Tool | 2 December | Oct … Jan | -27.0° | -48.7° | 1 |
| Camelopardalis (Cam) | Giraffe | 21 December | Sep … Mar | +86.1° | +52.7° | 12 |
| Cancer (Cnc) | Crab | 27 January | Nov … May | +33.1° | +6.5° | 5 |
| Canes Venatici (CVn) | Hunting Dogs | 8 April | Jan … Jul | +52.4° | +27.8° | 17 |
| Canis Maior (CMa) | Great Dog | 2 January | Nov … Feb | -11.0° | -33.3° | 7 |
| Canis Minor (CMi) | Lesser Dog | 12 January | Oct … Apr | +13.2° | -0.4° | 3 |
| Capricornus (Cap) | Sea Goat | 4 August | Jul … Oct | -8.4° | -27.6° | 1 |
| Carina (Car) | Keel | 22 January | -50.8° | -75.7° | 5 | |
| Cassiopeia (Cas) | Seated Queen | 8 October | Jul … Jan | +77.7° | +46.7° | 41 |
| Centaurus (Cen) | Centaur | 3 April | Mar … Apr | -30.0° | -64.7° | 7 |
| Cepheus (Cep) | King | 25 August | May … Dec | +88.7° | +53.4° | 28 |
| Cetus (Cet) | Sea Monster | 18 October | Sep … Dec | +10.5° | -24.9° | 9 |
| Chamaeleon (Cha) | Chameleon | 24 February | -75.3° | -83.1° | 1 | |
| Circinus (Cir) | Compass | 7 May | -55.4° | -70.6° | 1 | |
| Columba (Col) | Dove | 18 December | Nov … Feb | -27.1° | -43.1° | 1 |
| Coma Berenices (Com) | Bernice's Hair | 30 March | Dec … Jul | +33.3° | +13.3° | 24 |
| Corona Australis (CrA) | Southern Crown | 30 June | Jul … Aug | -36.8° | -45.5° | 3 |
| Corona Borealis (CrB) | Northern Crown | 21 May | Jan … Sep | +39.7° | +25.5° | 0 |
| Corvus (Crv) | Crow | 26 March | Jan … May | -11.7° | -25.2° | 2 |
| Crater (Crt) | Cup | 10 March | Jan … May | -6.7° | -25.2° | 0 |
| Crux (Cru) | Southern Cross | 26 March | -55.7° | -64.7° | 3 | |
| Cygnus (Cyg) | Swan | 29 July | Mar … Dec | +61.4° | +27.7° | 40 |
| Delphinus (Del) | Dolphin | 29 July | Apr … Nov | +20.9° | +2.4° | 5 |
| Dorado (Dor) | Swordfish | 7 December | -48.7° | -70.1° | 1 | |
| Draco (Dra) | Dragon | 16 June | Feb … Sep | +86.5° | +47.5° | 7 |
| Equuleus (Equ) | Little Horse | 7 August | Jun … Nov | +13.0° | +2.5° | 0 |
| Eridanus (Eri) | River | 23 November | Sep … Feb | +0.4° | -57.9° | 2 |
| Fornax (For) | Furnace | 6 November | Nov … Jan | -23.8° | -39.5° | 4 |
| Gemini (Gem) | Twins | 6 January | Oct … Apr | +35.4° | +9.8° | 12 |
| Grus (Gru) | Crane | 28 August | -36.3° | -56.4° | 0 | |
| Hercules (Her) | Hercules | 10 June | Mar … Oct | +51.3° | +3.7° | 8 |
| Horologium (Hor) | Clock | 13 November | -39.6° | -67.0° | 1 | |
| Hydra (Hya) | Female Water Snake | 21 February | Jan … Apr | +6.6° | -35.7° | 10 |
| Hydrus (Hyi) | Male Water Snake | 29 October | -57.8° | -82.1° | 0 | |
| Indus (Ind) | Indian | 9 August | -45.0° | -74.5° | 0 | |
| Lacerta (Lac) | Lizard | 28 August | May … Dec | +56.9° | +35.2° | 3 |
| Leo (Leo) | Lion | 27 February | Nov … May | +33.0° | -6.7° | 16 |
| Leo Minor (LMi) | Lesser Lion | 21 February | Oct … Jun | +41.4° | +22.8° | 5 |
| Lepus (Lep) | Hare | 14 December | Oct … Feb | -10.8° | -27.3° | 4 |
| Libra (Lib) | Scales | 10 May | Mar … Jun | -0.5° | -30.0° | 3 |
| Lupus (Lup) | Wolf | 12 May | Apr … May | -29.8° | -55.6° | 0 |
| Lynx (Lyn) | Lynx | 17 January | Nov … Apr | +62.0° | +33.0° | 11 |
| Lyra (Lyr) | Lyre | 2 July | Feb … Dec | +47.7° | +25.7° | 7 |
| Mensa (Men) | Table Mountain | 13 December | -69.7° | -85.3° | 0 | |
| Microscopium (Mic) | Microscope | 3 August | Jul … Sep | -27.5° | -45.1° | 0 |
| Monoceros (Mon) | Unicorn | 2 January | Oct … Mar | +11.9° | -11.4° | 19 |
| Musca (Mus) | Fly | 28 March | -64.6° | -75.7° | 3 | |
| Norma (Nor) | Carpenter's Square | 22 May | -42.3° | -60.4° | 1 | |
| Octans (Oct) | Octant | 9 August | -74.3° | -90.0° | 0 | |
| Ophiuchus (Oph) | Serpent Bearer | 8 June | Mar … Aug | +14.4° | -30.2° | 19 |
| Orion (Ori) | Hunter | 14 December | Sep … Mar | +22.9° | -11.0° | 21 |
| Pavo (Pav) | Peacock | 12 July | -56.6° | -75.0° | 3 | |
| Pegasus (Peg) | Winged Horse | 4 September | Jun … Dec | +36.6° | +2.3° | 19 |
| Perseus (Per) | Hero | 16 November | Aug … Mar | +59.1° | +30.9° | 20 |
| Phoenix (Phe) | Phoenix | 4 October | -39.3° | -57.8° | 0 | |
| Pictor (Pic) | Painter's Easel | 15 December | -42.8° | -64.2° | 0 | |
| Pisces (Psc) | Fishes | 4 October | Jul … Jan | +33.7° | -6.3° | 5 |
| Piscis Austrinus (PsA) | Southern Fish | 24 August | Jul … Oct | -24.8° | -36.5° | 0 |
| Puppis (Pup) | Stern | 13 January | Nov … Feb | -11.3° | -51.1° | 10 |
| Pyxis (Pyx) | Compass | 31 January | Dec … Mar | -17.4° | -37.3° | 2 |
| Reticulum (Ret) | Reticle | 22 November | -52.7° | -67.2° | 0 | |
| Sagitta (Sge) | Arrow | 14 July | Apr … Nov | +21.6° | +16.1° | 4 |
| Sagittarius (Sgr) | Archer | 3 July | May … Sep | -11.7° | -45.3° | 37 |
| Scorpius (Sco) | Scorpion | 1 June | Apr … Aug | -8.3° | -45.8° | 17 |
| Sculptor (Scl) | Sculptor | 30 September | Aug … Dec | -24.8° | -39.4° | 5 |
| Scutum (Sct) | Shield | 30 June | Apr … Sep | -3.8° | -15.9° | 7 |
| Serpens (Ser) | Serpent | 17 May | Mar … Sep | +25.7° | -16.1° | 6 |
| Sextans (Sex) | Sextant | 19 February | Dec … May | +6.4° | -11.7° | 1 |
| Taurus (Tau) | Bull | 28 November | Aug … Mar | +31.1° | -1.3° | 11 |
| Telescopium (Tel) | Telescope | 9 July | -45.1° | -57.0° | 0 | |
| Triangulum (Tri) | Triangle | 26 October | Jun … Mar | +37.3° | +25.6° | 7 |
| Triangulum Australe (TrA) | Southern Triangle | 22 May | -60.3° | -70.5° | 1 | |
| Tucana (Tuc) | Toucan | 19 September | -56.3° | -75.3° | 2 | |
| Ursa Maior (UMa) | Great Bear | 27 February | Nov … Jul | +73.1° | +28.3° | 24 |
| Ursa Minor (UMi) | Little Bear | 9 May | Jan … Dec | +90.0° | +65.4° | 1 |
| Vela (Vel) | Sails | 11 February | -37.2° | -57.2° | 4 | |
| Virgo (Vir) | Maiden | 10 April | Jan … Jun | +14.4° | -22.7° | 32 |
| Volans (Vol) | Flying Fish | 14 January | -64.1° | -75.5° | 0 | |
| Vulpecula (Vul) | Fox | 24 July | Mar … 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.