Constellations in October
The following 52 constellations are visible in the month of October at a geographical latitude of +46.8° and their centre reaches at least 5° above the horizon during the night (between the end and beginning of astronomical twilight). → Settings
| IAU Name | English Name | Season | Opposition | Declination | DSO |
|---|---|---|---|---|---|
| Andromeda (And) | Chained Maiden | JFMAMJJASOND | 4 October | +53.2° … +21.7° | 26 |
| Aquarius (Aqr) | Water Bearer | J....JJASOND | 28 August | +3.3° … -24.9° | 7 |
| Aquila (Aql) | Eagle | .FMAMJJASOND | 14 July | +18.7° … -11.9° | 21 |
| Aries (Ari) | Ram | JFM...JASOND | 4 November | +31.2° … +10.4° | 5 |
| Auriga (Aur) | Charioteer | JFMAM.JASOND | 19 December | +56.2° … +27.9° | 19 |
| Bootes (Boo) | Herdsman | JFMAMJJASOND | 2 May | +55.0° … +7.4° | 4 |
| Caelum (Cae) | Engraving Tool | JF.......OND | 2 December | -27.0° … -48.7° | 1 |
| Camelopardalis (Cam) | Giraffe | JFMAMJJASOND | 21 December | +86.1° … +52.7° | 12 |
| Cancer (Cnc) | Crab | JFMAM...SOND | 27 January | +33.1° … +6.5° | 5 |
| Canes Venatici (CVn) | Hunting Dogs | JFMAMJJASOND | 8 April | +52.4° … +27.8° | 17 |
| Canis Maior (CMa) | Great Dog | JFMA.....OND | 2 January | -11.0° … -33.3° | 8 |
| Canis Minor (CMi) | Lesser Dog | JFMAM...SOND | 12 January | +13.2° … -0.4° | 3 |
| Capricornus (Cap) | Sea Goat | ....MJJASOND | 4 August | -8.4° … -27.6° | 1 |
| Cassiopeia (Cas) | Seated Queen | JFMAMJJASOND | 8 October | +77.7° … +46.7° | 43 |
| Cepheus (Cep) | King | JFMAMJJASOND | 25 August | +88.7° … +53.4° | 30 |
| Cetus (Cet) | Sea Monster | JF....JASOND | 18 October | +10.5° … -24.9° | 12 |
| Columba (Col) | Dove | JFM......OND | 18 December | -27.1° … -43.1° | 1 |
| Coma Berenices (Com) | Bernice's Hair | JFMAMJJASOND | 30 March | +33.3° … +13.3° | 24 |
| Corona Borealis (CrB) | Northern Crown | JFMAMJJASOND | 21 May | +39.7° … +25.5° | |
| Cygnus (Cyg) | Swan | JFMAMJJASOND | 29 July | +61.4° … +27.7° | 41 |
| Delphinus (Del) | Dolphin | JFMAMJJASOND | 29 July | +20.9° … +2.4° | 5 |
| Draco (Dra) | Dragon | JFMAMJJASOND | 16 June | +86.5° … +47.5° | 7 |
| Equuleus (Equ) | Little Horse | J.MAMJJASOND | 7 August | +13.0° … +2.5° | |
| Eridanus (Eri) | River | JFM.....SOND | 23 November | +0.4° … -57.9° | 2 |
| Fornax (For) | Furnace | JF......SOND | 6 November | -23.8° … -39.5° | 4 |
| Gemini (Gem) | Twins | JFMAM...SOND | 6 January | +35.4° … +9.8° | 12 |
| Hercules (Her) | Hercules | JFMAMJJASOND | 10 June | +51.3° … +3.7° | 8 |
| Lacerta (Lac) | Lizard | JFMAMJJASOND | 28 August | +56.9° … +35.2° | 3 |
| Leo (Leo) | Lion | JFMAMJ...OND | 27 February | +33.0° … -6.7° | 17 |
| Leo Minor (LMi) | Lesser Lion | JFMAMJJ.SOND | 21 February | +41.4° … +22.8° | 6 |
| Lepus (Lep) | Hare | JFM.....SOND | 14 December | -10.8° … -27.3° | 4 |
| Lynx (Lyn) | Lynx | JFMAMJJASOND | 17 January | +62.0° … +33.0° | 11 |
| Lyra (Lyr) | Lyre | JFMAMJJASOND | 2 July | +47.7° … +25.7° | 7 |
| Microscopium (Mic) | Microscope | ......JASON. | 3 August | -27.5° … -45.1° | |
| Monoceros (Mon) | Unicorn | JFMA....SOND | 2 January | +11.9° … -11.4° | 19 |
| Ophiuchus (Oph) | Serpent Bearer | JFMAMJJASON. | 8 June | +14.4° … -30.2° | 37 |
| Orion (Ori) | Hunter | JFMA...ASOND | 14 December | +22.9° … -11.0° | 26 |
| Pegasus (Peg) | Winged Horse | JF.AMJJASOND | 4 September | +36.6° … +2.3° | 19 |
| Perseus (Per) | Hero | JFMAMJJASOND | 16 November | +59.1° … +30.9° | 21 |
| Pisces (Psc) | Fishes | JF...JJASOND | 4 October | +33.7° … -6.3° | 7 |
| Piscis Austrinus (PsA) | Southern Fish | ......JASOND | 24 August | -24.8° … -36.5° | |
| Sagitta (Sge) | Arrow | JFMAMJJASOND | 14 July | +21.6° … +16.1° | 4 |
| Sagittarius (Sgr) | Archer | ...AMJJASON. | 3 July | -11.7° … -45.3° | 51 |
| Sculptor (Scl) | Sculptor | J......ASOND | 30 September | -24.8° … -39.4° | 5 |
| Scutum (Sct) | Shield | .FMAMJJASON. | 30 June | -3.8° … -15.9° | 7 |
| Serpens (Ser) | Serpent | JFMAMJJASO.D | 17 May | +25.7° … -16.1° | 9 |
| Sextans (Sex) | Sextant | JFMAM....OND | 19 February | +6.4° … -11.7° | 5 |
| Taurus (Tau) | Bull | JFMA...ASOND | 28 November | +31.1° … -1.3° | 12 |
| Triangulum (Tri) | Triangle | JFM..JJASOND | 26 October | +37.3° … +25.6° | 7 |
| Ursa Maior (UMa) | Great Bear | JFMAMJJASOND | 27 February | +73.1° … +28.3° | 26 |
| Ursa Minor (UMi) | Little Bear | JFMAMJJASOND | 9 May | +90.0° … +65.4° | 1 |
| Vulpecula (Vul) | Fox | JFMAMJJASOND | 24 July | +29.5° … +19.4° | 17 |
Season: Visibility of the constellation from the current geographic location ("." = not visible, JFMAMJJASOND = months). Opposition: The center of the constellation is in opposition to the Sun on this day, i. e., it is at its highest point in the sky at local midnight. — Declination: Northern and southern extent of the IAU constellation boundaries. — DSO: Number of described deep-sky objects.