How big are the constellations?
This is a list of all 88 constellations in order of size from largest to smallest. Remember that constellations are not physical objects, they are areas of the sky as seen from Earth. We measure the size of constellations in square degrees.
| Constellation | Area (square degrees) | |
| 1 | Hydra | 1302.844 |
| 2 | Virgo | 1294.428 |
| 3 | Ursa Major | 1279.660 |
| 4 | Cetus | 1231.411 |
| 5 | Hercules | 1225.148 |
| 6 | Eridanus | 1137.919 |
| 7 | Pegasus | 1120.794 |
| 8 | Draco | 1082.952 |
| 9 | Centaurus | 1060.422 |
| 10 | Aquarius | 979.854 |
| 11 | Ophiuchus | 948.340 |
| 12 | Leo | 946.964 |
| 13 | Boötes | 906.831 |
| 14 | Pisces | 889.417 |
| 15 | Sagittarius | 867.432 |
| 16 | Cygnus | 803.983 |
| 17 | Taurus | 797.249 |
| 18 | Camelopardalis | 756.828 |
| 19 | Andromeda | 722.278 |
| 20 | Puppis | 673.434 |
| 21 | Auriga | 657.438 |
| 22 | Aquila | 652.473 |
| 23 | Serpens | 636.928 |
| 24 | Perseus | 614.997 |
| 25 | Cassiopeia | 598.407 |
| 26 | Orion | 594.120 |
| 27 | Cepheus | 587.787 |
| 28 | Lynx | 545.386 |
| 29 | Libra | 538.052 |
| 30 | Gemini | 513.761 |
| 31 | Cancer | 505.872 |
| 32 | Vela | 499.649 |
| 33 | Scorpius | 496.783 |
| 34 | Carina | 494.184 |
| 35 | Monoceros | 481.569 |
| 36 | Sculptor | 474.764 |
| 37 | Phoenix | 469.319 |
| 38 | Canes Venatici | 465.194 |
| 39 | Aries | 441.395 |
| 40 | Capricornus | 413.947 |
| 41 | Fornax | 397.502 |
| 42 | Coma Berenices | 386.475 |
| 43 | Canis Major | 380.118 |
| 44 | Pavo | 377.666 |
| 45 | Grus | 365.513 |
| 46 | Lupus | 333.683 |
| 47 | Sextans | 313.515 |
| 48 | Tucana | 294.557 |
| 49 | Indus | 294.006 |
| 50 | Octans | 291.045 |
| 51 | Lepus | 290.291 |
| 52 | Lyra | 286.476 |
| 53 | Crater | 282.398 |
| 54 | Columba | 270.184 |
| 55 | Vulpecula | 268.165 |
| 56 | Ursa Minor | 255.864 |
| 57 | Telescopium | 251.512 |
| 58 | Horologium | 248.885 |
| 59 | Pictor | 246.739 |
| 60 | Piscis Austrinus | 245.375 |
| 61 | Hydrus | 243.035 |
| 62 | Antlia | 238.901 |
| 63 | Ara | 237.057 |
| 64 | Leo Minor | 231.956 |
| 65 | Pyxis | 220.833 |
| 66 | Microscopium | 209.513 |
| 67 | Apus | 206.327 |
| 68 | Lacerta | 200.688 |
| 69 | Delphinus | 188.549 |
| 70 | Corvus | 183.801 |
| 71 | Canis Minor | 183.367 |
| 72 | Dorado | 179.173 |
| 73 | Corona Borealis | 178.710 |
| 74 | Norma | 165.290 |
| 75 | Mensa | 153.484 |
| 76 | Volans | 141.354 |
| 77 | Musca | 138.355 |
| 78 | Triangulum | 131.847 |
| 79 | Chamaeleon | 131.592 |
| 80 | Corona Australis | 127.696 |
| 81 | Caelum | 124.865 |
| 82 | Reticulum | 113.936 |
| 83 | Triangulum Australe | 109.978 |
| 84 | Scutum | 109.114 |
| 85 | Circinus | 93.353 |
| 86 | Sagitta | 79.932 |
| 87 | Equuleus | 71.641 |
| 88 | Crux | 68.447 |