Гидра
| Байер | HR | HD | DM | 
|---|---|---|---|
| α Hya | HR 3748 | 81797 | BD-08 2680 | 
| β Hya | HR 4552 | 103192 | CD-33 8018 | 
| γ Hya | HR 5020 | 115659 | BD-22 3554 | 
| δ Hya | HR 3410 | 73262 | BD+06 2001 | 
| ε Hya | HR 3482 | 74874 | BD+06 2036 | 
| ζ Hya | HR 3547 | 76294 | BD+06 2060 | 
| η Hya | HR 3454 | 74280 | BD+03 2039 | 
| θ Hya | HR 3665 | 79469 | BD+02 2167 | 
| ι Hya | HR 3845 | 83618 | BD-00 2231 | 
| κ Hya | HR 3849 | 83754 | BD-13 2917 | 
| λ Hya | HR 3994 | 88284 | BD-11 2820 | 
| μ Hya | HR 4094 | 90432 | BD-16 3052 | 
| ν Hya | HR 4232 | 93813 | BD-15 3138 | 
| ξ Hya | HR 4450 | 100407 | CD-31 9083 | 
| ο Hya | HR 4494 | 101431 | CD-34 7610 | 
| π Hya | HR 5287 | 123123 | CD-26 10095 | 
| ρ Hya | HR 3492 | 75137 | BD+06 2040 | 
| σ Hya | HR 3418 | 73471 | BD+03 2026 | 
| τ1 Hya | HR 3759 | 81997 | BD-02 2901 | 
| τ2 Hya | HR 3787 | 82446 | BD-00 2211 | 
| υ1 Hya | HR 3903 | 85444 | BD-14 2963 | 
| υ2 Hya | HR 3970 | 87504 | BD-12 3073 | 
| φ Hya | HR 4171 | 92214 | BD-16 3100 | 
| φ1 Hya | HR 4171 | 92214 | BD-16 3100 | 
| φ1 Hya | 91369 | BD-16 3078 | |
| φ2 Hya | HR 4156 | 91880 | BD-15 3087 | 
| φ3 Hya | HR 4171 | 92214 | BD-16 3100 | 
| χ1 Hya | HR 4314 | 96202 | CD-26 8338 | 
| χ2 Hya | HR 4317 | 96314 | CD-26 8342 | 
| ψ Hya | HR 4958 | 114149 | BD-22 3515 | 
| ω Hya | HR 3613 | 77996 | BD+05 2116 | 
| a Hya | HR 3431 | 73840 | BD-11 2420 | 
| A Hya | HR 3738 | 81420 | BD-04 2616 | 
| A Hya | HR 3814 | 82870 | BD-05 2840 | 
| A Hya | 81809 | ||
| b1 Hya | HR 4214 | 93397 | BD-16 3124 | 
| b2 Hya | 94046 | ||
| b3 Hya | HR 4251 | 94388 | BD-19 3125 | 
| C Hya | HR 3314 | 71155 | BD-03 2339 | 
| D Hya | HR 3484 | 74918 | BD-13 2673 | 
| E Hya | HR 5526 | 130694 | CD-27 10073 | 
| F Hya | HR 3459 | 74395 | BD-06 2708 | 
| G Hya | HR 3749 | 81799 | BD-21 2802 | 
| I Hya | HR 3858 | 83953 | BD-22 2684 | 
| k Hya | HR 5381 | 125932 | CD-27 9803 | 
| l Hya | HR 5407 | 126769 | CD-28 10712 | 
| m Hya | HR 5497 | 129926 | CD-24 11661 | 
| N Hya | HR 4443 | 100286 | CD-28 8928B | 
| N Hya | HR 4444 | 100287 | CD-28 8928A | 
| P Hya | HR 3709 | 80586 | BD-08 2643 |