| Rank | Constellation | Area |
| 1 | Hydra | 1303 sq.deg. |
| 2 | Virgo | 1294 sq.deg. |
| 3 | Ursa Major | 1280 sq.deg. |
| 4 | Cetus | 1231 sq.deg. |
| 5 | Hercules | 1225 sq.deg. |
| 6 | Eridanus | 1138 sq.deg. |
| 7 | Pegasus | 1121 sq.deg. |
| 8 | Draco | 1083 sq.deg. |
| 9 | Centaurus | 1060 sq.deg. |
| 10 | Aquarius | 980 sq.deg. |
| 11 | Ophiuchus | 948 sq.deg. |
| 12 | Leo | 947 sq.deg. |
| 13 | Boötes | 907 sq.deg. |
| 14 | Pisces | 889 sq.deg. |
| 15 | Sagittarius | 867 sq.deg. |
| 16 | Cygnus | 804 sq.deg. |
| 17 | Taurus | 797 sq.deg. |
| 18 | Camelopardalis | 757 sq.deg. |
| 19 | Andromeda | 722 sq.deg. |
| 20 | Puppis | 673 sq.deg. |
| 21 | Auriga | 657 sq.deg. |
| 22 | Aquila | 652 sq.deg. |
| 23 | Serpens * | 637 sq.deg. |
| 24 | Perseus | 615 sq.deg. |
| 25 | Cassiopeia | 598 sq.deg. |
| 26 | Orion | 594 sq.deg. |
| 27 | Cepheus | 588 sq.deg. |
| 28 | Lynx | 545 sq.deg. |
| 29 | Libra | 538 sq.deg. |
| 30 | Gemini | 514 sq.deg. |
| 31 | Cancer | 506 sq.deg. |
| 32 | Vela | 500 sq.deg. |
| 33 | Scorpius | 497 sq.deg. |
| 34 | Carina | 494 sq.deg. |
| 35 | Monoceros | 482 sq.deg. |
| 36 | Sculptor | 475 sq.deg. |
| 37 | Phoenix | 469 sq.deg. |
| 38 | Canes Venatici | 465 sq.deg. |
| 39 | Aries | 441 sq.deg. |
| 40 | Capricornus | 414 sq.deg. |
| 41 | Fornax | 398 sq.deg. |
| 42 | Coma Berenices | 386 sq.deg. |
| 43 | Canis Major | 380 sq.deg. |
| 44 | Pavo | 378 sq.deg. |
| 45 | Grus | 366 sq.deg. |
| 46 | Lupus | 334 sq.deg. |
| 47 | Sextans | 314 sq.deg. |
| 48 | Tucana | 295 sq.deg. |
| 49 | Indus | 294 sq.deg. |
| 50 | Octans | 291 sq.deg. |
| 51 | Lepus | 290 sq.deg. |
| 52 | Lyra | 286 sq.deg. |
| 53 | Crater | 282 sq.deg. |
| 54 | Vulpecula | 278 sq.deg. |
| 55 | Columba | 270 sq.deg. |
| 56 | Ursa Minor | 256 sq.deg. |
| 57 | Telescopium | 252 sq.deg. |
| 58 | Horologium | 249 sq.deg. |
| 59 | Pictor | 247 sq.deg. |
| 60 | Piscis Austrinus | 245 sq.deg. |
| 61 | Hydrus | 243 sq.deg. |
| 62 | Antlia | 239 sq.deg. |
| 63 | Ara | 237 sq.deg. |
| 64 | Leo Minor | 232 sq.deg. |
| 65 | Pyxis | 221 sq.deg. |
| 66 | Microscopium | 210 sq.deg. |
| 67 | Apus | 206 sq.deg. |
| 68 | Lacerta | 201 sq.deg. |
| 69 | Delphinus | 189 sq.deg. |
| 70 | Corvus | 184 sq.deg. |
| 71 | Canis Minor | 182 sq.deg. |
| 72 | Corona Borealis | 179 sq.deg. |
| Dorado | 179 sq.deg. | |
| 74 | Norma | 165 sq.deg. |
| 75 | Mensa | 153 sq.deg. |
| 76 | Volans | 141 sq.deg. |
| 77 | Musca | 138 sq.deg. |
| 78 | Chamaeleon | 132 sq.deg. |
| Triangulum | 132 sq.deg. | |
| 80 | Corona Australis | 128 sq.deg. |
| 81 | Caelum | 125 sq.deg. |
| 82 | Reticulum | 114 sq.deg. |
| 83 | Triangulum Australe | 110 sq.deg. |
| 84 | Scutum | 109 sq.deg. |
| 85 | Circinus | 93 sq.deg. |
| 86 | Sagitta | 80 sq.deg. |
| 87 | Equuleus | 72 sq.deg. |
| 88 | Crux | 68 sq.deg. |
Note:
* Serpens is divided into two parts: Serpens Caput (429 sq.deg.) and Serpens Cauda (208 sq.deg.).