Segue un prospetto delle stelle principali della costellazione dell'Ottante, elencate per magnitudine decrescente.
Nome Designazioni Coordinate Magnitudini Dist. (al) Classe spettrale Note B F HD HIP AR Dec vis. ass. ν Oct ν 205478 107089 3.73 2.10 69 K0III Stella binaria, possibile pianeta extrasolare β Oct β 214846 112405 4.13 0.96 140 A9IV/V δ Oct δ 124882 70638 4.31 −0.35 279 K2III θ Oct θ 224889 122 4.78 0.63 221 K2III ε Oct ε 210967 110256 5.09 0.51 268 M6III γ1 Oct γ1 223647 117689 5.10 0.53 267 G7III α Oct α 199532 104043 5.13 1.85 148 F4III λ Oct λ 206240 107843 5.27 −0.36 435 G8/K0III+.. γ3 Oct γ3 636 814 5.29 0.93 242 K1/K2III χ Oct χ 164461 92824 5.29 0.87 250 K3III ξ Oct ξ 215573 112781 5.32 −0.35 444 B6IV ζ Oct ζ 79837 43908 5.43 2.01 157 F0III ι Oct ι 111482 63031 5.45 0.17 371 K0III σ Oct σ 177482 104382 5.45 0.86 270 F0III Polaris Australis(stella polare del Sud) φ Oct φ 167468 90133 5.47 1.57 197 A0V ψ Oct ψ 210853 110078 5.49 2.56 125 F3III τ Oct τ 219765 115836 5.50 −0.52 522 K2III κ Oct κ 117374 66753 5.56 1.08 256 A2m... ρ Oct ρ 137333 76996 5.57 1.45 217 A2V π1 Oct π1 130650 73540 5.65 0.27 389 G8/K0III π2 Oct π2 131246 73771 5.65 −2.98 1734 G8Ib HD 11025 11025 7568 5.66 0.42 365 K0III γ2 Oct γ2 224362 118114 5.72 0.80 314 K0III HD 222806 222806 117125 5.74 −0.47 569 K1III HD 193721 193721 101427 5.76 −0.28 527 G6/G8II υ Oct υ 211539 111196 5.76 0.73 330 K0III HD 1032 1032 1074 5.78 −1.21 815 M0/M1III HD 221420 221420 116250 5.82 3.31 104 G2V HD 10800 10800 7601 5.88 3.71 88 G2V ω Oct ω 131596 74296 5.88 0.93 318 B9.5V HD 194612 194612 101843 5.89 −0.56 635 K5III HD 208741 208741 108849 5.94 1.99 201 F3III HD 167714 167714 90606 5.95 0.81 348 K2III μ1 Oct μ1 196051 102162 5.99 0.92 337 F4III-IV HD 222060 222060 116653 5.99 −0.42 625 K0II/III HD 104555 104555 58697 6.05 0.99 335 K3III HD 148542 148542 83255 6.05 −0.27 598 A2V HD 218108 218108 114258 6.11 1.75 243 A7Vn HD 212168 212168 110712 6.12 4.31 75 G3IV HD 210056 210056 109584 6.13 1.30 302 K0III HD 191220 191220 100697 6.15 1.71 252 A2/A3m... HD 213402 213402 111504 6.15 −1.47 1090 K1III HD 204904 204904 106881 6.17 2.28 196 F4IV η Oct η 96124 53702 6.19 1.00 356 A1V HD 169904 169904 91723 6.27 0.12 553 B8V HD 107739 107739 60638 6.32 −0.53 765 K0III HD 219572 219572 115129 6.34 0.46 489 K0III HD 172226 172226 93117 6.35 0.18 558 B9/B9.5V HD 203532 203532 106474 6.35 −0.63 813 B3IV HD 171990 171990 92233 6.39 3.22 141 G2V HD 186154 186154 98086 6.39 −0.25 694 K3/K4III HD 208500 208500 108759 6.39 1.49 311 A5IV/V HD 25887 25887 17328 6.40 0.56 481 B9V HD 202418 202418 106320 6.42 −0.13 667 K3III HD 218559 218559 114550 6.43 0.17 582 K4III HD 159517 159517 88274 6.45 2.32 219 F4V HD 58805 58805 32500 6.46 3.50 128 F3V HD 203955 203955 106424 6.47 1.25 360 A0V HD 129723 129723 75736 6.49 2.45 210 Am HD 165338 165338 90509 6.49 0.18 596 B8/B9V μ2 Oct μ2 196067 102125 6.51 3.31 142 G1V
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