Heliocodex

Meet a star / Constellations

Hydra

241 stars in Hydra can be seen by eye from a dark place. 10 have names of their own. The rest go by a Greek letter, a number, or their place in a catalogue. Here is every one, brightest first.

Its stars

243 in all. The dot shows each star's colour.

  1. AlphardEasy to see, 180 light years
  2. NajaEasy to see, 130 light years
  3. Zeta HydraeEasy to see, 170 light years
  4. Nu HydraeEasy to see, 140 light years
  5. Pi HydraeEasy to see, 100 light years
  6. AshleshaEasy to see, 130 light years
  7. Xi HydraeSeen away from bright lights, 130 light years
  8. Lambda HydraeSeen away from bright lights, 110 light years
  9. Mu HydraeSeen away from bright lights, 230 light years
  10. Theta HydraeSeen away from bright lights, 110 light years
  11. UkdahSeen away from bright lights, 260 light years
  12. HIP 41307Seen away from bright lights, 120 light years
  13. ZhangSeen away from bright lights, 260 light years
  14. Delta HydraeSeen away from bright lights, 160 light years
  15. Beta HydraeSeen away from bright lights, 310 light years
  16. Eta HydraeSeen away from bright lights, 590 light years
  17. 12 HydraeSeen away from bright lights, 250 light years
  18. Rho HydraeSeen away from bright lights, 350 light years
  19. SolitaireSeen away from bright lights, 330 light years
  20. MinchirSeen away from bright lights, 370 light years
  21. Tau-2 HydraeSeen away from bright lights, 520 light years
  22. Tau-1 HydraeSeen away from bright lights, 57 light years
  23. Upsilon-2 HydraeSeen away from bright lights, 310 light years
  24. HIP 42835Seen away from bright lights, 770 light years
  25. HIP 47310Seen away from bright lights, 300 light years
  26. Omicron HydraeSeen away from bright lights, 450 light years
  27. HIP 46371Seen away from bright lights, 160 light years
  28. HIP 47522Seen away from bright lights, 510 light years
  29. 26 HydraeSeen away from bright lights, 340 light years
  30. 51 HydraeSeen away from bright lights, 160 light years
  31. 27 HydraeSeen away from bright lights, 220 light years
  32. HIP 51979Seen away from bright lights, 490 light years
  33. HIP 48559Seen away from bright lights, 340 light years
  34. 9 HydraeSeen away from bright lights, 210 light years
  35. HIP 52009Seen away from bright lights, 680 light years
  36. Phi-3 HydraeSeen away from bright lights, 210 light years
  37. Chi-1 HydraeSeen away from bright lights, 140 light years
  38. HIP 47592Seen away from bright lights, 49 light years
  39. HIP 56280Seen away from bright lights, 86 light years
  40. FelisSeen away from bright lights, 610 light years
  41. Psi HydraeSeen away from bright lights, 230 light years
  42. 52 HydraeSeen away from bright lights, 390 light years
  43. 6 HydraeSeen away from bright lights, 390 light years
  44. Omega HydraeSeen away from bright lights, 900 light years
  45. HIP 46880Just seen from a dark place, 360 light years
  46. 50 HydraeJust seen from a dark place, 220 light years
  47. Kappa HydraeJust seen from a dark place, 440 light years
  48. 44 HydraeJust seen from a dark place, 800 light years
  49. HIP 57613Just seen from a dark place, 550 light years
  50. HIP 56332Just seen from a dark place, 390 light years
  51. 54 HydraeJust seen from a dark place, 99 light years
  52. 47 HydraeJust seen from a dark place, 330 light years
  53. HIP 57047Just seen from a dark place, 400 light years
  54. HIP 53252Just seen from a dark place, 100 light years
  55. 56 HydraeJust seen from a dark place, 360 light years
  56. 23 HydraeJust seen from a dark place, 250 light years
  57. HIP 58082Just seen from a dark place, 290 light years
  58. HIP 43142Just seen from a dark place, 400 light years
  59. 14 HydraeJust seen from a dark place, 450 light years
  60. HIP 49809Just seen from a dark place, 90 light years
  61. HIP 40107Just seen from a dark place, 290 light years
  62. HIP 46404Just seen from a dark place, 99 light years
  63. HIP 61621Just seen from a dark place, 110 light years
  64. HIP 54477Just seen from a dark place, 180 light years
  65. HIP 52737Just seen from a dark place, 210 light years
  66. HIP 62131Just seen from a dark place, 410 light years
  67. HIP 68581Just seen from a dark place, 440 light years
  68. 20 HydraeJust seen from a dark place, 480 light years
  69. 24 HydraeJust seen from a dark place, 680 light years
  70. 15 HydraeJust seen from a dark place, 450 light years
  71. 33 HydraeJust seen from a dark place, 570 light years
  72. HIP 60735Just seen from a dark place, 510 light years
  73. HIP 51364Just seen from a dark place, 360 light years
  74. HIP 51491Just seen from a dark place, 520 light years
  75. HIP 49569Just seen from a dark place, 380 light years
  76. 19 HydraeJust seen from a dark place, 610 light years
  77. 2 HydraeJust seen from a dark place, 160 light years
  78. 28 HydraeJust seen from a dark place, 900 light years
  79. 55 HydraeJust seen from a dark place, 740 light years
  80. 1 HydraeJust seen from a dark place, 87 light years
  81. HIP 44356Just seen from a dark place, 490 light years
  82. 59 HydraeJust seen from a dark place, 370 light years
  83. HIP 62500Just seen from a dark place, 320 light years
  84. HIP 46511Just seen from a dark place, 1,200 light years
  85. Chi-2 HydraeJust seen from a dark place, 690 light years
  86. HIP 66065Just seen from a dark place, 230 light years
  87. HIP 53699Just seen from a dark place, 160 light years
  88. HIP 43026Just seen from a dark place, 300 light years
  89. HIP 49339Just seen from a dark place, 230 light years
  90. HIP 51933Just seen from a dark place, 82 light years
  91. HIP 56620Just seen from a dark place, 360 light years
  92. 3 HydraeJust seen from a dark place, 300 light years
  93. HIP 45158Just seen from a dark place, 300 light years
  94. HIP 66400Just seen from a dark place, 270 light years
  95. HIP 44923Just seen from a dark place, 270 light years
  96. HIP 41299Just seen from a dark place, 890 light years
  97. HIP 46813Just seen from a dark place, 380 light years
  98. HIP 43798Just seen from a dark place, 450 light years
  99. HIP 44936Just seen from a dark place, 450 light years
  100. 57 HydraeJust seen from a dark place, 450 light years
  101. 48 HydraeJust seen from a dark place, 180 light years
  102. HIP 45743Just seen from a dark place, 450 light years
  103. HIP 54561Just seen from a dark place, 390 light years
  104. HIP 44075Just seen from a dark place, 69 light years
  105. HIP 42028Just seen from a dark place, 290 light years
  106. HIP 66563Just seen from a dark place, 150 light years
  107. HIP 67143Just seen from a dark place, 280 light years
  108. HIP 45559Just seen from a dark place, 360 light years
  109. 60 HydraeJust seen from a dark place, 330 light years
  110. HIP 57841Just seen from a dark place, 100 light years
  111. HIP 46618Just seen from a dark place, 240 light years
  112. HIP 61720Just seen from a dark place, 620 light years
  113. HIP 52841Just seen from a dark place, 470 light years
  114. HIP 69965Just seen from a dark place, 59 light years
  115. HIP 42008Just seen from a dark place, 1,600 light years
  116. HIP 41080Just seen from a dark place, 1,300 light years
  117. HIP 46897Just seen from a dark place, 260 light years
  118. HIP 58158Just seen from a dark place, 550 light years
  119. HIP 46859Just seen from a dark place, 740 light years
  120. HIP 43899Just seen from a dark place, 720 light years
  121. HIP 56452Just seen from a dark place, 31 light years
  122. HIP 50536Just seen from a dark place, 210 light years
  123. Phi-2 HydraeJust seen from a dark place, 760 light years
  124. HIP 43726Just seen from a dark place, 57 light years
  125. HIP 46288Just seen from a dark place, 690 light years
  126. HIP 41597Just seen from a dark place, 1,500 light years
  127. HIP 41214Just seen from a dark place, 210 light years
  128. HIP 52113Just seen from a dark place, 360 light years
  129. HIP 40818Just seen from a dark place, 550 light years
  130. HIP 51551Just seen from a dark place, 140 light years
  131. HIP 67890Just seen from a dark place, 210 light years
  132. HIP 53818Just seen from a dark place, 100 light years
  133. 17 HydraeJust seen from a dark place, 290 light years
  134. HIP 48396Just seen from a dark place, 390 light years
  135. HIP 44315Just seen from a dark place, 1,000 light years
  136. HIP 43204Just seen from a dark place, 700 light years
  137. HIP 60603Just seen from a dark place, 560 light years
  138. 21 HydraeJust seen from a dark place, 280 light years
  139. HIP 69623Just seen from a dark place, 550 light years
  140. HIP 51795Just seen from a dark place, 220 light years
  141. HIP 46840Just seen from a dark place, 380 light years
  142. HIP 48943Just seen from a dark place, 800 light years
  143. HIP 46768Just seen from a dark place, 360 light years
  144. HIP 40859Just seen from a dark place, 690 light years
  145. HIP 50790Just seen from a dark place, 600 light years
  146. HIP 43580Just seen from a dark place, 340 light years
  147. HIP 46869Just seen from a dark place, 410 light years
  148. 10 HydraeJust seen from a dark place, 210 light years
  149. HIP 43902Just seen from a dark place, 1,400 light years
  150. HIP 46744Just seen from a dark place, 170 light years
  151. HIP 46529Just seen from a dark place, 420 light years
  152. HIP 62788Just seen from a dark place, 220 light years
  153. HIP 45167Just seen from a dark place, 320 light years
  154. HIP 41036Just seen from a dark place, 240 light years
  155. HIP 68177Just seen from a dark place, 570 light years
  156. HIP 56293Just seen from a dark place, 720 light years
  157. HIP 59307Just seen from a dark place, 320 light years
  158. HIP 44738Just seen from a dark place, 810 light years
  159. HIP 57971Just seen from a dark place, 240 light years
  160. HIP 40858Just seen from a dark place, 130 light years
  161. HIP 42299Just seen from a dark place, 420 light years
  162. HIP 67523Just seen from a dark place, 380 light years
  163. HIP 44162Just seen from a dark place, 130 light years
  164. HIP 58272Just seen from a dark place, 390 light years
  165. HIP 53963Just seen from a dark place, 180 light years
  166. HIP 67071Just seen from a dark place, 520 light years
  167. HIP 43035Just seen from a dark place, 1,000 light years
  168. HIP 50066Just seen from a dark place, 470 light years
  169. HIP 69458Just seen from a dark place, 530 light years
  170. HIP 59008Just seen from a dark place, 760 light years
  171. HIP 48584Just seen from a dark place, 500 light years
  172. HIP 52391Just seen from a dark place, 830 light years
  173. HIP 49802Just seen from a dark place, 280 light years
  174. HIP 46893Just seen from a dark place, 410 light years
  175. HIP 49689Just seen from a dark place, 570 light years
  176. HIP 46543Just seen from a dark place, 180 light years
  177. HIP 46569Just seen from a dark place, 1,300 light years
  178. HIP 48763Just seen from a dark place, 220 light years
  179. HIP 46504Just seen from a dark place, 260 light years
  180. HIP 73171Just seen from a dark place, 490 light years
  181. HIP 51885Just seen from a dark place, 130 light years
  182. HIP 49321Just seen from a dark place, 510 light years
  183. HIP 45854Just seen from a dark place, 160 light years
  184. 37 HydraeJust seen from a dark place, 1,000 light years
  185. HIP 63243Just seen from a dark place, 390 light years
  186. HIP 40766Just seen from a dark place, 350 light years
  187. HIP 56657Just seen from a dark place, 230 light years
  188. HIP 45424Just seen from a dark place, 360 light years
  189. HIP 47070Just seen from a dark place, 290 light years
  190. HIP 45150Just seen from a dark place, 170 light years
  191. HIP 59588Just seen from a dark place, 1,200 light years
  192. HIP 43570Just seen from a dark place, 1,000 light years
  193. HIP 59622Just seen from a dark place, 420 light years
  194. HIP 42142Just seen from a dark place, 520 light years
  195. HIP 54725Just seen from a dark place, 920 light years
  196. HIP 69398Just seen from a dark place, 560 light years
  197. HIP 69977Just seen from a dark place, 900 light years
  198. HIP 50142Just seen from a dark place, 1,200 light years
  199. HIP 47454Just seen from a dark place, 740 light years
  200. HIP 42854Just seen from a dark place, 990 light years
  201. HIP 41893Just seen from a dark place, 270 light years
  202. HIP 60468Just seen from a dark place, 750 light years
  203. HIP 65835Just seen from a dark place, 410 light years
  204. 34 HydraeJust seen from a dark place, 420 light years
  205. HIP 42951Just seen from a dark place, 200 light years
  206. HIP 41564Just seen from a dark place, 240 light years
  207. HIP 58436Just seen from a dark place, 1,100 light years
  208. HIP 43246Just seen from a dark place, 560 light years
  209. HIP 68224Just seen from a dark place, 640 light years
  210. HIP 62448Just seen from a dark place, 740 light years
  211. HIP 41547Just seen from a dark place, 830 light years
  212. HIP 67620Just seen from a dark place, 64 light years
  213. HIP 54703Just seen from a dark place, 450 light years
  214. HIP 43623Just seen from a dark place, 450 light years
  215. HIP 55164Just seen from a dark place, 150 light years
  216. HIP 55953Just seen from a dark place, 1,200 light years
  217. HIP 57001Just seen from a dark place, 140 light years
  218. HIP 54030Just seen from a dark place, 700 light years
  219. HIP 47242Just seen from a dark place, 460 light years
  220. HIP 66060Just seen from a dark place, 160 light years
  221. HIP 53387Just seen from a dark place, 580 light years
  222. HIP 50013Just seen from a dark place, 130 light years
  223. HIP 45543Just seen from a dark place, 370 light years
  224. HIP 42981Just seen from a dark place, 530 light years
  225. HIP 42701Just seen from a dark place, 310 light years
  226. HIP 45305Just seen from a dark place, 540 light years
  227. HIP 61172Just seen from a dark place, 610 light years
  228. HIP 54430Just seen from a dark place, 430 light years
  229. HIP 43850Just seen from a dark place, 820 light years
  230. HIP 50728Just seen from a dark place, 350 light years
  231. HIP 43152Just seen from a dark place, 620 light years
  232. HIP 57507Just seen from a dark place, 57 light years
  233. HIP 40263Just seen from a dark place, 500 light years
  234. HIP 65969Just seen from a dark place, 320 light years
  235. HIP 70538Just seen from a dark place, 230 light years
  236. HIP 44888Just seen from a dark place, 420 light years
  237. HIP 57749Just seen from a dark place, 500 light years
  238. HIP 51852Just seen from a dark place, 260 light years
  239. HIP 64375Just seen from a dark place, 360 light years
  240. HIP 65682Just seen from a dark place, 1,400 light years
  241. HIP 59021Just seen from a dark place, 170 light years
  242. Ross 687Needs a telescope, 68 light years
  243. Ross 686Needs a telescope, 80 light years

Where this comes from

The stars and their measurements are from the HYG star database, version 4.4, by David Nash, shared under a Creative Commons Attribution-ShareAlike 4.0 licence. Which constellation a star belongs to follows the boundaries drawn by the International Astronomical Union, as that database gives them. To see what is up tonight, open the sky map.