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Cambridge University Press 978-1-108-45756-9 — Turn Left at Orion 5th Edition Index More Information 252 Index Altai, Rupes, 27 Blinking Planetary, 134-135 26-28, 35-36 altitude, 19 BM Orionis, 53, 55 Cyrillus (crater), 27, 29 Index Andromeda Galaxy, 101, BM Scorpii, 157 Danjon, André, 38 175, 176-177, 179, Bonpland (crater), 33 dark side of Moon, 24, 33 1 Arietis, 181 201, 217, 229 books, 6, 243 Dawes (crater), 28 2 Canum Venaticorum, 113 Antares, 24, 40, 47, 119- Brocchi’s Cluster, 139 de Fontanay, Jean, 232 2 Puppis, 85 120, 151, 208 Burg (crater), 28, 30 Delta Cephei, 196-197 6 (Iota) Trianguli, 180-181 Apennines, 30, 31, 32, 37 Burnham, Sherburne, 7 Delta Herculis, 121 14 Aurigae, 70 aperture, 5, 12, 18, 20, Burnham 1, 188, 189 Delta Orionis, Mintaka, 58 15 Aquilae, 141 21, 244, 245 BZ Crucis, 237 Deneb, 91, 118-119 15 Geminorum, 73 aphelion, 45 Callisto, 41, 43 dew, 15, 17, 65, 91, 16 Cygni, 134-135 Apollo 11, 26, 28, 29 Cameron (crater), 26, 27 118, 162, 244 24 Cancri, 92-93 Apollo 12, 33 Caroline Herschel (crater), 33 dew cap, 15 24 Ophiuchi, 150-151 Apollo 14, 33 Carpathian Mts., 33 diffraction spike, 59, 245 26 Aurigae, 68, 70 Apollo 15, 32, 37 Cassegrain, 18 diffuse nebula, 8, 32 Orionis, 58-59 Apollo 17, 27, 28, 35 Cassini division, 20, 42, 43 10, 55, 249 36 Ophiuchi, 150-151 apparent field, 20, 21 Cassiopeia double stars, 188 Dobson, John, 18 39 Eridani, 60 Arago (crater), 29 Cassiopeia open Dobsonian, 5, 8, 12, 42 Orionis, 58 arc second, 11, 20 clusters, 190-195 15-21, 242, 245 47 Tucanae, 212-213 Archimedes (crater), 31, 32 Castor, 40, 51, 74-75 dorsa, 25, 27 51 Pegasi, 165 Argaeus, Mons, 27, 28 catadioptric, 5, 12-18, Double Cluster, 186-187 52 Orionis, 58 Ariadaeus, Rima, 28 21, 242, 244, 245 double star, 7-11, 246-247 53 Cancri, 97 Ariel, 48 catalogs, 7, 8, 243 Double-double, 4, 129, 151 54 Leonis, 100-101 Aristarchus (crater), Catharina (crater), 27-29 Double-double’s double, 129 56 Andromedae, 180-181 24, 34-37 Cauchy (crater), 27 DU Crucis, 237 57 Cancri, 97 Aristillus (crater), 30 Centaurus-A, 239 Dumbbell Nebula, 59 Andromedae, 180-181 Aristoteles (crater), 28 Cepheid variable (defined), 99, 136-137 61 Cygni, 128-129 Armstrong (crater), 29 177, 197; (examples) Dunlop 159, 232-233 AAVSO, 243 Arzachel (crater), 31 145, 197, 203, 227 Earthshine, 24, 26 Achird, 188-189 Ascella, 160 Chang’e 3, 27, 33 eclipses, 23, 38-39, 43 Acrab (Graffias), 151 Asperitatis, Sinus, 26-29 Chi Persei, 187 eclipsing binaries (variable Acrux, 208, 232-233 asteroids, 13, 40, 49, 242 Clavius (crater), 32-33 stars), 53, 71, 183, 188 AD Persei, 187 Atlas (crater), 27, 28 cleaning lenses, 17, 242 ecliptic, 24, 40-41, 44-45 Adhara, 83, 87 AU (astronomical unit), 57 clock drive, 19, 203, 256 ejecta, 25, 30, 31, 34, 35 Albireo, 4, 132-133 Autolycus (crater), 31 Clown Face Nebula, 74-75 Epsilon Boötis, Izar, 117 Alcor, 206-207 averted vision, 69, 101, 123 clusters: see galaxy, globular Epsilon Hydrae, 95 Algieba, 96-97 azimuth, 19, 205 clusters, open clusters Epsilon Lyrae, 129 Algol, 182-183 Barlow, 5, 11, 244, 245 Coal Sack, 236-237 Epsilon Monocerotis, 77 aligning Dobsonian balance, telescope, Coat Hanger, 138 Epsilon Sagittae, 139 mirrors, 16-17, 244 19, 244, 245 Cobra’s Head (crater), 35 Epsilon Volantis, 217 Alkalurops, 116-117 basin, 22, 24, 29, 36-37 Cognitum, Mare, 33 equatorial mount, 19, 203 Almach, 180-181 Beehive, 8, 92-93, 96; see collimation, 16-17, 244 Eratosthenes (crater), 32, 37 Alnitak, 58 also Southern Beehive Collinder 399, Coat Eta Carinae, 228-229 Alpha Canis Majoris, belts, 41, 42, 43 Hanger, 139 Eta Cassiopeiae, Achird, 188 Sirius, 7 Bessel (crater), 30 coma, 21-22, 93, 244, 245 Eta Lupi, 150 Alpha Centauri, Rigel best seen, 10 Comet’s Tail (lunar Eta Orionis, 58-59 Kentaurus, 233 Beta Cygni, Albireo, feature), 35 Euclides (crater), 33 Alpha Circini, 232-233 132-133 comets, 7-8, 13, 40, 49, Eudoxus (crater), 28, 30-31 Alpha Crucis, Acrux, 233 Beta Monocerotis, 78-79 116, 232, 242 Europa, 41, 43 Alpha Geminorum, Beta Muscae, 232-233 computers, 12-13, 242-243 exit pupil, 21 Castor, 74-75 Beta Orionis, Rigel, 58 constellations, 6; see zodiac eyepiece, 9-10, 17, 20- Alpha Herculis, Beta Scorpii, 151; see Copernicus (crater), 21, 244-245 Rasalgethi, 124-125 Acrab (Graffias) 24, 32-37 eyepiece power, 9, 20-21 Alpha Scorpii, Antares, 151 Beta Tucanae, 215 Cor Caroli, 112-113 f ratio, 20-21, 245 Alpha Ursae Minoris, Big Bang, 103, 109, Cordillera, 37 False Cross, 208- Polaris, 203 123, 197 Crab Nebula, 8, 9, 66-67 209, 222-228 Alphonsus (crater), 31, 33 binoculars, 5, 8, 12, 24, 38 craters, 22, 25 Fecunditatis, Mare, 23, Alpine Valley, 31 Birt (crater), 31, 37 crescent Moon, 26-27 26-28, 35, 36 alt-azimuth mount, 18, 19 Black Eye Galaxy, 110-111 Crisium, Mare, 22, festoons, 42 © in this web service Cambridge University Press www.cambridge.org Cambridge University Press 978-1-108-45756-9 — Turn Left at Orion 5th Edition Index More Information Index 253 field of view, 5, 9-12, Heis (crater), 33 Kuiper (crater), 23, 33 M32, 176-177 19-21, 244-245 Helicon (crater), 33 Kuiper, Gerard, 23, 117 M33, Triangulum filter, 8, 10, 43, 244, 245 Helix Nebula, 172-173 KV Aquarii, 173 Galaxy, 178-179 finderscope, 10, 12- Heraclides, Promontorum, 33 La Superba, 112-113, 141 M34, 182-183 15, 38-39, 244 Hercules (crater), 27, 28 Lagoon Nebula, 146-147 M35, 8, 72-73 finderscope view, 10 Herodotus (crater), 34, 35 Lambda Arietis, 180-181 M36, 68-71 first quarter, see half Moon Herschel 3945, Winter Lambda Geminorum, 75 M37, 68-71 Flamsteed number, 6 Albireo, 86-87 Lambda Orionis, 58, M38, 68-71 focal length, 11, 20-21 Herschel, Caroline, 167; see Meissa M39, 133 focal point, 18, 20-21 crater, 33 Lamont (crater), 29 M41, 82-83 Fra Mauro (crater), 33 Herschel, John, 8, 237 Lansberg (crater), 33, 34 M42, Orion Nebula, 52-55 Frigoris, Mare, 28, 30-32 Herschel, William, 8, Langrenus (crater), 27 M43, 52-55 full Moon, 22, 23, 25, 54, 99, 167, 197 Large Magellanic Cloud, M44, Beehive, 92-93 36-37, 38, 244 highlands, 22, 25, 31, 35 9, 216-221 M45, Pleiades, 64-65 FZ Persei, 187 Hipparcos, 7, 83, 139 latitude, 6, 10, 19, 35, 37, M46, 84-85 galaxy, 8, 109, 250-251; HJ 1123, 183 90, 118, 121, 143, 149, M47 (NGC 2422), 84-85 group, 109, 201; cluster, HJ 2155, 183 158, 171, 205, 208, 256 M49, 106, 109 supercluster, 101, 109 HN 40, 149 le Monnier (crater), 27 M50, 80-81 Galileo, 18, 39, 54 HN 84, 139 le Verrier (crater), 33 M51, Whirlpool, 204-205 Gamma Andromedae, Homunculus, 229 lens caps, 17, 244 M52, 191 Almach, 180 Horse and Rider (Mizar lenses, cleaning, 17, 242 M53, 110-111 Gamma Arietis, and Alcor), 206 libration, 24, 26, 30-37 M54, 160-161 Mesarthim, 180 Hubble, Edwin, 177, 197 light year (defined), 57 M55, 160-161 Gamma Crucis, Gacrux, 232 Hubble constant, 123 limb (defined), 22 M56, 132-133 Gamma Delphini, 128-129 Hubble Space Telescope, Local Group, 109, M57, Ring, 130-131 Gamma Leonis, Algieba, 97 143, 197, 229 175, 177, 179 M58, 106-107, 109 Gamma Velorum, 222-223 Huggins, William, 199 Longomontanus (crater), 33 M59, 106-107, 109 Gamma Virginis, Humorum, Mare, 24, 35, 36 LY Aurigae, 71 M60, 106-107, 109 Porrima, 104 Hyginus (crater and M1, Crab Nebula, 8, 66-67 M62, 154-155 Gamma Volantis, 217 rille), 25, 31 M2, 166-167 M63, Sunflower, 113 Ganymede, 41, 43 I 2391, 222-223 M3, 114-115 M64, Black Eye, 110-111 Gassendi (crater), 35 IC 2602, Southern M4, 152-153 M65, 100-101 Gem (cluster), 228-230 Pleiades, 231 M5, 124-125 M66, 100-101 Ghost of Jupiter, 8, 98-99 Imbrium, Mare, 24, M6, 156-157 M67, 94-95 gibbous Moon, 32-33, 46 26, 30-37 M7, 156-157 M71, 138-139 globular clusters, 8, internet, 12, 242; see web M8, Lagoon, 146-147 M72, 168-169 109, 115, 250 Io, 41, 43 M10, 126-127 M79, 62-63 Graffias, see Acrab Iota Boötis, 206 M11, Wild Ducks, 140-141 M80, 152-153 Great Globular Cluster, Iota Cancri, 96-97 M12, 126-127 M81, 200-201 8, 120 Iota Cassiopeiae, 188 M13, Great Globular, M82, 200-201 Great Red Spot, 41, 42 Iota Orionis, Hatysa, 55 8, 120-121 M84, 106-107, 109 greatest elongation, 44, 45 Iota (6) Trianguli, 180 M15, 164-165 M86, 106-107, 109 Grimaldi (crater), 24, 36, 37 Iridum, Sinus, 32-33 M16, 142-143 M87, 106-107, 109 guideposts, 6 Izar, 116-117 M17, Swan, 142-143 M88, 106-107, 109 h Persei, Double Cluster, 187 J Velorum, 229 M18, 143 M89, 106-107, 109 h 3752, 63 Jabbah, 150-151 M19, 154-155 M90, 106-107, 109 h 4128, 225 Jansen (crater), 29 M20, Trifid, 148-149 M91, 106-107, 109 h 4432, 229 Jewel Box, 229, 236-237 M21, 148-149 M92, 122-123 Hadley Rille, 32, 37 Jupiter, 4, 5, 18, 40-43, 244 M22, 158-159 M93, 88-89 Haemus Montes, 30 Jura Mountains, 33 M23, 143-145 M94, 112-113 half Moon, 22, 30-31 k Puppis, 89 M24, 143, 145 M95, 102 Halley (comet), 49 Kappa Boötis, 206 M25, 143-145 M96, 102 Halley, Edmund, 239 Kappa Geminorum, 75 M26, 141 M98, 108, 109 Hamburger Galaxy, 239 Kappa Leonis, 96-97 M27, Dumbbell, 136-137 M99, 108, 109 Harbinger Mons, 34 Kappa Tucanae, 215 M28, 158-159 M101, Pinwheel, 206-207 harvest Moon, 37, 163 Kayuga (spacecraft), 35 M29, 133 M103, 194 Hatysa, 52-55 Kepler (crater), 24, 34-37 M30, 170-171 M105, 102-103 HD 160202, 157 Keyhole Nebula, 228-229 M31, Andromeda M110 (NGC 205), 176-177 HdO 290, 240 Kuiper Belt, 117 Galaxy, 176-177 magazines, 4, 7, 49, 243 © in this web service Cambridge University Press www.cambridge.org Cambridge University Press 978-1-108-45756-9 — Turn Left at Orion 5th Edition Index More Information 254 Index Magellanic Clouds, 8, 9, NGC 220, 210-211 NGC 1986, 217-221 NGC 4372, 234-235 109, 167, 177, 209-221 NGC 222, 210-211 NGC 1994, 217-221 NGC 4435, 106-109 Maginus (crater), 33 NGC 225, 190-192
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