Hagar, 47 Hale, 172 Hall, 267 Halley, 98, 163, 236 comet, 236 Hans-on-the-Middle-Horse, 39 Hare, The, 164, 181 Harp of Orpheus, 113, 120, 121 Harp Star, 114, 122 Harvard Observatory, 210 Harvests, Goddess of, 26 Hat of Darkness, 21, 26 Hearn, 203 Heart of the Lion, 89 Heart of the Scorpion, 11, 134, 152 Heaven, ancient, 18 Heaven, River of, 204 Heavenly Twins, 192 Heavens, changes in, 51 Hebe, 24, 106 Hebe, planetoid, 234 Hecatoncheires, 19, 21 Helena, 193 Helen of Troy, 193 Helical rising, 160 Heliades, 125, 174 Helicon, Mount, 30, 69, 77, 75 Helle, 84 Helvetius, 97 Henderson, 100 Hercules, constellation, 104, 105, 110, 111, 113, 115 Double stars, 111 Star cluster, 110, 113 Legends, 28, 48, 87, 88, 89, 92, 105, 106, 107, 108, 109, 131, 132, 134 Hercules, hero, 25, 48, 80, 87, 88, 89, 92, 105, 106, 107, 108, 109, 131, 132, 133 Hero, 85 Herodotus, 50, 130, 161 Heroes, 17, 28 Heroic Age, 23 Herschel, 10, 195, 210, 246, 280, 282, 311 Hesiod, 22, 23, 76, 132, 185, 189 Hesperides, 48 Hesperus, 48, 151, 247 Hippocrene, 76 Homer, 25 Hood, 44 Horn of Plenty, 138 Horns of the Bull, 185 Horse, original, 69 Horse and its Rider, 39 Hounds of Boötes, 146 Hour circle, 177 Hours, goddesses, 27, 33 Howe, 44 Hubble, 72, 124 Hunter, The, 168, 169 Hunting Dogs, 97 Huygens, 274 Hyas, 185 Hyades, 81, 184, 185, 186 Hydra, constellation, 29, 135 Double stars, 136 Legends, 92, 106, 107, 136, 137 Hyperion, 276 Icarus, 180 Immortals, 17, 24 King of, 24 Queen of, 24 Indian Legends, 46, 47, 102, 201, 245 Interferometer, 99, 153 Invertebrates, 293 Io, 257, 258 Irregular nebula, 180 Iris, goddess, 32 Iris, planetoid, 234 Irmin, 205 Iron Age, 23 Isis, 149 Isles of the Blest, 25 Jack-on-the-Middle-Horse, 39 Jacob's Staff, 176 Japanese Legend, 202 Japetus, 276, 277 Janus, 269 Jason, 49, 85, 131 Jewel of the Virgin, 147 Job's Coffin, 74, 129, 130 Josephus, 80, 236 Jove, 268 Judges, Three, 25 Juno, goddess, 24, 44, 45, 60, 92, 97, 107, 168, 269 Juno, planetoid, 234 Jupiter, god, 20, 21, 22, 24, 27, 30, 32, 45, 66, 71, 77, 85, 109, 124, 128, 132, 137, 138, 151, 168, 169, 174, 182, 183, 189, 193, 194 Jupiter, planet, 6, 226, 228, 229, 230, 231, 232, 237, 251, 252, 259, 260, 269, 280 atmosphere, 254 axis, 255, 281 density, 255, 270 diameter, 252 markings, 252, 253, 254, 270 revolution, 252 rotation, 254 satellites, 32, 252, 253, 257, 258, 259, 297 eclipse of, 141 seasons, 257 size, 252 surface, 254, 255 Kapteyn, 141 Keel, 85 Keeler, 275 Kennel, 146 Kepler, astronomer, 15, 232 Kepler, lunar crater, 312 Kids, The, 137, 159, 232 Kings, Three, 176 Kippax, 136, 185 Kneeler, The, 105 Knot Star, 83 Korean Legend, 202