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Remarks.

Beautiful object.
Beautiful object.

Greateslfmarvel in the heavens.

[known.
From 1d to 1th magnitude. Most remarkable variable

Cluster of stars of 1th magnitude.
Coarse cluster.
Visible to naked eye.

From 1th to 1th magnitude, irregular.

The above variable is In the middle of the nebula.

Interesting object for small telescopes.

From 1th to 1th magnitude in 55 days.
Bright. Resembles a comet. M. 81 near.

One of the most interesting pairs known. Binary.
From 1th to 1th magnitude in 15 days.
From 5.5th tc 11th magnitude in 811 days.
Resolvable ;one of 1 in one field.

Tho celebrated Dumb-bell nebula.
PAGE

INDEX,

Aberration 117

Aerolites 175

Aldebaran <Al deV-a-ran) .. 226

Algol 242

Altitude 27

Amplitude 27

Anaxagnras 8

Anaximander 7

Andromeda 223

Anlinous and Eagle 236

Aphelion 18

Apogee 122

Apparent motion 85

Apsides Ill

Areturus 203, 232

Argo 239

Aries 224

Asteroids 154

Astrology 13

Astronomy, Definition of 1

"Antiquity of 5

Auriga (Au il'-ga) 225

Azimuth 27

Baily's Beads 141

Bella'trix 228

Berenice's Hair (Coma Berenices) 231

Betelgeuse (Be-tel'-je-uze) 228

Biela'B Comet 154, 307

Bode's Law 154

Bootes (Bo-o'-tes) 232

Calendar, The 269

Canes Venatici 231

Canis Major, Canis Miner 229

Cancer 229

Capricornus 236

Cassiopeia (KaV-seeoepe'-e-£) 220

Castor and Pollux 227

Celestial Chemistry 258

"Longitude 30

"Measurements 271

"Pole 28

"Sphere. 24

PAGE

Centaur 236

Cepheus 219

Ceres 155

Cetus 226

Chaldeans 6

Chinese 6

Chromosphere, The 53

Colures (€o-lflre'; plu. €o-lares').... 27

Comets 185

Conjunction 60, 64

"Inferior 64

*' Superior 64

Constellations 209

Copernican System 14

Cor Caroli 231

Corona of Sun 53,141,143, 503

Cross, The Southern 239

Crystalline Spheres 8

Cygni, No 61 204,241

Cygnus 237

Day and Night ... 87

•' Change in Length of 98

"Civil, The 267

"Sidereal 268

"Solar 264

Declination 27,29

Dipper 216

Diurnal Motion 87

Dolphin 237

Draco 218

Dry Moon 131

Earth 82

"Eccentricity of Orbit 91

"Rotation of 86

"Rotundity of 85

"Yearly Motion of 91

Earth-shine 127

Eccentricity 57

Eclipses 138

Ecliptic 29, 94

"Obliquity of 29, 95

"Plancof 58

PAGE

Ecliptic Pole3 of 80

Egyptians 8

Ellipse 17, 57

Elongation 64

Equinoxes 28, 30, 98

"Precession of 104

Vernal 104

Equinoctial 27

Euduxus 8

Evening Star 66, 70

Faculse 50

Fixed Stars, The 204

"Distance of 204

"Motion of 205, 261

"Name? of 208

"Parallax of 204

Flames, Solar 202

Focus 17, 57

Galaxy 253

Galileo (GSI-I-lee-o) 19

Gemini 226

Geocentric 64

Gibbons 127

Golden Number 145

Granules 50

Gravitation 24

Grecians 6

Greek Alphabet 208

Gregorian Calendar 269

Hall, Prof. Asaph 152-8

Hare 228

Harvest Moon 130

Heliocentric 64

Hercules 233

Herschel 170

Herschel's Theory 254

Hipparchus 8

Horizon 26

Horoscope 13

Hour Circles 27

Hyades 221

Hydra 231

Inferior Planets 63

Interior" 56

Irradiation 123

Job's Coffin 237

Jupiter 157

Kepler 15

Kepler's Laws 15

Kirohhoff's Theory (EirkTiof) 53

Latitude, To Calculate 218.281

Leo 229

Libra.. 235

Librat ions 124

Light, Aberration of 117

"Refraction of 112

"Velocityof 162

Longitude, To Calculate 280

Lunarians, The 126

Lyra 233

Magellanic Clouds 253

Mars 150

Mean Day 264

Mercury 71

Meridian 26

Meteoroids 182

Meteors 175

Metonic Cycle 144

Milk Dipper 236

Milky Way 253

Minor Planets 154

Mira 242

Moon 122

"Differential Effect of 148

"Eclipse of 145

Morning Star 65, 70

Motion, Apparent 85

"Diurnal 87

"of Star 205,261

Nadir 26

Naos 239

Nebular Hypothesis 255

Nebulffi 246

"Spectraof 262

Neptune 172

Newton 21

Nodes 58,132

Noon-mark 265

North Polar Star 217

Nucleus 53,186

Nutation 109

Occupation 132

Ophiucus 884

Opposition 67

Orbit of Planets 57

""8olar System 206

Orion (O-rf-on) 227

PiQE

Tarallax 119

"Annual 141

Change of Solar 279

"Horizontal 121

"Lunar 2T3

"Solar 36,121,275

Pegasus (Peg'-a-sus) 223

Penumbra 51,139

Perigee 123

Perihelion 18

Perseus 221

Phases fiO

Photosphere 51

Pisces 226

Planets 55

"Are they Inhabited? 61

"Definition of 2

"Size of 59

Pleiades (P18'eya-dSz) 225

Polaris 217

Polar Star 217

"distance 29

Precession of Equinoxes 104

Procyon (Pro-cy-on) 229

Protuberances, Solar 53

Ptolemaic Theory 9

Ptolemy 9

Pythagoras 7

Quadrature OS

Refraction 112

Hegulus 239

Retrograde motion G5

Right ascension 29

Rising and Betting 86

Sagittarius 236

Saracens 11

Saros 6,144

Saturn 104

Scintillation 207

Scorpio 235

Seasons 95

Serpentarins 234

Shooting Stars 175

Sidereal Revolution 45, 69

Sidereal System 201

Signs, Zodiacal 31, 106. 210

Signs and Constellations not aereeing 211

Sirtus 204,229,308

SolarSystem 35

"Motion of 206

PAGE

Solar time 264

Solstices 30, 98

Space 24

Spectra 258

Spectrum Analysis 258

Spectroscope 559

Spica 230

Stars, The 203

"Colored 241

"Distance of 204

"Diurnal Orbits of 89

"Double 239

"Number of 206

"Proper motion of 205, 261

"Size 207

"Temporary 243

"Variable 242

Sun 36

"Change in form and place of 114

"Diurnal motion of 87

"Eclipseof... 138

"Heatof 54

"Pathof 94

"Protuberances of 53, 262

"Yearly Path of 94

"Spots 40

Superior Planets 63

Syzygies 149

Synodic Revolution 45, 69

Taurus 224

"Poniatowskii 234

Thales 6

Thuban 219

Tides 147

Time 263

Top 109

Transit 65

Transit of Venus 277

Triangles 224

Twilight 116

Twinkling 207

Tycho Brahe (Bra or Bra) 15

Umbra 138

Uranus(U'-ranus) 170

Ursa Major 215

"Minor 217

Vega 217,288

Venus 77

"Transit of 277

Vertical Circle 26

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