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內容簡介: |
Written by an experienced and well-known lunar observer, this
is a hands-on primer for the aspiring observer of the Moon. Whether
you are a novice or are already experienced in practical astronomy
you will find plenty in this book to help you raise your game to
the next level and beyond. In this thoroughly updated Second
Edition, the author provides extensive practical advice and
sophisticated background knowledge of the Moon and of lunar
observation. It incorporates the latest developments in lunar
imaging techniques, including digital photography, CCD imaging, and
webcam observing, and essential advice on collimating all common
types of telescope. Learn what scientists have discovered about our
Moon, and what mysteries remain still to be solved. Find out how
you can take part in the efforts to solve these mysteries, as well
as enjoying the Moon''s spectacular magnificence for yourself!
· Fully updated to take account of the latest imaging techniques,
such as webcam observing · Written by one of the most experienced
and well-regarded lunar observers in the world · ''Hands-on''
approach - contains valuable practical advice on observing
techniques and how to get the most from your telescope
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目錄:
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Preface ix
Acknowledgements xi
1 “Magnificent desolation” 1
1.1 An orbiting rock-ball 2
1.2 Phases and eclipses 3
1.3 Solar eclipses 10
1.4 Gravity and tides 12
1.5 More about the motions of the Moon – libration 13
1.6 Co-ordinates on the surface of the Moon 16
1.7 Occultations 20
2 The Moon through the looking glass 21
2.1 The Moon in focus 22
2.2 The pioneering selenographers 35
3 Telescopes and drawing boards 41
3.1 What type of telescope do you need? 42
3.2 How big a telescope do you need? 50
3.3 So, what telescope should I spend my money on? 52
3.4 Eyepiece characteristics 53
3.5 Specific eyepiece types and magnification 55
3.6 Making the best of what you have 58
3.7 Drawing the Moon 61
4 The Moon in camera 69
4.1 Some basic principles of CCD astrocameras and digital cameras
72
4.2 Practical CCD astrocameras and digital cameras 75
4.3 The imaging area of a CCD camera when used on your telescope,
or with an attached camera lens 77
4.4 Image scale using the supplied lenses on a ‘35 mm format’ DSLR
79
4.5 Practical lunar photography through the telescope – at the
principal focus 79
4.6 The potential resolution of detail in the image 81
4.7 Enlarging the telescope’s primary image 84
4.8 Image processing 89
5 Stacking up the Moon 97
5.1 The Moon and your domestic video camera 97
5.2 The benefits of stacking selected images 105
5.3 Manually stacking individual frames 106
5.4 The webcam revolution 109
5.5 Your webcam and computer 111
5.6 The webcam’s first night on your telescope 116
5.7 Stacking the images using RegiStax 117
5.8 Processing the stacked image in RegiStax 121
5.9 Striving for the best results 122
6 The physical Moon 125
6.1 The first lunar scouts 125
6.2 Men on the Moon 128
6.3 The post-Apollo Moon 133
6.4 Not green cheese but … 135
6.5 Genesis of the Moon 136
6.6 The Moon’s structure 137
6.7 The evolution of the Moon – a brief overview 139
6.8 Lunar chronology 141
6.9 Filling in the details 143
7 Lunarware 145
7.1 Out-of-print books 145
7.2 Books currently in print 146
7.3 Printed maps, charts and atlases 147
7.4 Some useful website addresses concerning equipment and
techniques 149
7.5 Consolidated Lunar Atlas, Lunar Orbiter Photographic Atlas,
Apollo Image Atlas and Ranger photographs online 151
7.6 Clementine, Lunar Prospector and SMART-1 images and data
online 152
7.7 Virtual Moon Atlas 152
7.8 Lunar ephemerides 153
7.9 Key map for Chapter 8 155
8 ‘A to Z’ of selected lunar landscapes 157
8.1 Agarum, Promontorium 158
8.2 Albategnius 161
8.3 Alpes, Vallis 161
8.4 Alphonsus 163
8.5 Apenninus, Montes 166
8.6 Ariadaeus, Rima 170
8.7 Aristarchus 173
8.8 Aristoteles 179
8.9 Bailly 181
8.10 Bullialdus 183
8.11 Cassini 186
8.12 Clavius 189
8.13 Copernicus 192
8.14 Crisium, Mare 200
8.15 Endymion 206
8.16 Fra Mauro 210
8.17 Furnerius 215
8.18 ‘Gruithuisen’s lunar city’ 221
8.19 Harbinger, Montes 224
8.20 Hevelius 227
8.21 Hortensius 234
8.22 Humorum, Mare 237
8.23 Hyginus, Rima 245
8.24 Imbrium, Mare 248
8.25 Janssen 258
8.26 Langrenus 262
8.27 Maestlin R 267
8.28 Messier 269
8.29 Moretus 271
8.30 Nectaris, Mare 273
8.31 Neper 278
8.32 Pitatus 281
8.33 Plato 285
8.34 Plinius 292
8.35 Posidonius 297
8.36 Pythagoras 301
8.37 Ramsden 304
8.38 Regiomontanus 308
8.39 Russell 313
8.40 Schickard 318
8.41 Schiller 322
8.42 Sirsalis, Rimae 326
8.43 ‘Straight Wall’ Rupes Recta 331
8.44 Theophilus 334
8.45 Torricelli 339
8.46 Tycho 341
8.47 Wargentin 348
8.48 Wichmann 351
8.49 Webcam gallery 353
9 TLP or not TLP? 357
9.1 The mystery unfolds 357
9.2 Categories of TLP 362
9.3 The mystery continues 363
9.4 What might be the causes of TLP? 371
9.5 Possible causes of bogus TLP 376
9.6 TLP observing programme 378
Appendix 1: Telescope collimation 381
Appendix 2: Field-testing a telescope’s optics 393
Appendix 3: Polar alignment 397
Index
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