Zon Mosaic Pro5 Guide de l'utilisateur Page 77
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Sky Data 77
Downloading Photographic
Images
Starry Night Pro shows over 2.5 million
objects and Starry Night Pro Plus shows
over 17 million celestial objects, but this is
only a tiny fraction of the stars and objects
that can be seen from Earth using
telescopes.
On the Internet, the Space Telescope
Science Institute (STScI) hosts a very
large database, called the Digitized Sky
Survey (DSS). This survey contains large,
high-resolution pictures of the entire night
sky. The database is so large that it is
distributed on a few hundred CD-ROMs.
Starry Night makes it easy to look at the
thousands of galaxies, nebulae, and other
astronomical phenomena that are
contained in this database.
The STScI offers an online form you can
fill out to request a picture of the sky.
Starry Night makes this process
considerably easier. Just zoom in on the
part of the sky that you want an image of,
and select
LiveSky->Show Photographic Image.
Getting a picture from the Digitized Sky
Survey to your browser can take up to a
few minutes, so you have to be patient.
The reason for the delay is that the
Digitized Sky Survey’s computer has to
assemble your request from its extensive
database.
Tip: You can only download Digitized Sky
Survey images when your field of view is
between about 1.5 arcminutes and 30
arcminutes. If your field of view is outside
this range, this menu item will appear
greyed out.
Example: Viewing the Horsehead
Nebula using the
Digitized Sky Survey.
1Open the
Find pane and type in
“horsehead”. Starry Night should list the
Horsehead Nebula.
2 Double-click on the Horsehead
Nebula’s entry in the list, to centre on this
object.
3 Now use the zoom buttons in the tool-
bar to zoom in to a field of view of about
20' (20 arcminutes), so that the Horsehead
Nebula almost fills the screen.
4Choose
LiveSky->Show Photographic Image to
obtain an image of the Horsehead Nebula
from the Digitized Sky Survey. The new
image will open in your web browser.
In this example, we used the Digitized Sky
Survey to load an image of an object
which Starry Night already had an image
for. You would be more likely to use the
Digitized Sky Survey to download images
of areas of the sky for which Starry Night
does not have a detailed image. One way
to explore with the Digitized Sky Survey
is to turn on the NGC/IC database or the
Galaxies database and look for an
interesting cluster of galaxies. Zoom in on
a promising cluster and then request the
Digitized Sky Survey image for a detailed
view.
- Starry Night 1
- Table of Contents 3
- 4 Starry Night User’s Guide 4
- Bending Space & Time 5
- 6 Starry Night User’s Guide 6
- Getting Started 7
- 8 Starry Night User’s Guide 8
- Getting Started 9 9
- 10 Starry Night User’s Guide 10
- Getting Started 11 11
- 12 Starry Night User’s Guide 12
- Getting Started 13 13
- 14 Starry Night User’s Guide 14
- Getting Started 15 15
- 16 Starry Night User’s Guide 16
- Getting Started 17 17
- 18 Starry Night User’s Guide 18
- Chapter 2 19
- 20 Starry Night User’s Guide 20
- Basics 21 21
- Pane Page 21
- 22 Starry Night User’s Guide 22
- Basics 23 23
- 24 Starry Night User’s Guide 24
- Basics 25 25
- 26 Starry Night User’s Guide 26
- Basics 27 27
- 28 Starry Night User’s Guide 28
- Basics 29 29
- 30 Starry Night User’s Guide 30
- Basics 31 31
- 32 Starry Night User’s Guide 32
- Appearance of the Sky 33
- 34 Starry Night User’s Guide 34
- Appearance of the Sky 35 35
- 36 Starry Night User’s Guide 36
- Appearance of the Sky 37 37
- 38 Starry Night User’s Guide 38
- Appearance of the Sky 39 39
- 40 Starry Night User’s Guide 40
- Appearance of the Sky 41 41
- 42 Starry Night User’s Guide 42
- Appearance of the Sky 43 43
- 44 Starry Night User’s Guide 44
- Appearance of the Sky 45 45
- 46 Starry Night User’s Guide 46
- Appearance of the Sky 47 47
- 48 Starry Night User’s Guide 48
- Appearance of the Sky 49 49
- 50 Starry Night User’s Guide 50
- Appearance of the Sky 51 51
- 52 Starry Night User’s Guide 52
- Appearance of the Sky 53 53
- 54 Starry Night User’s Guide 54
- Appearance of the Sky 55 55
- 56 Starry Night User’s Guide 56
- Appearance of the Sky 57 57
- 58 Starry Night User’s Guide 58
- Appearance of the Sky 59 59
- 60 Starry Night User’s Guide 60
- Appearance of the Sky 61 61
- 62 Starry Night User’s Guide 62
- Appearance of the Sky 63 63
- 64 Starry Night User’s Guide 64
- Appearance of the Sky 65 65
- 66 Starry Night User’s Guide 66
- Sky Data 67
- 68 Starry Night User’s Guide 68
- Sky Data 69 69
- 70 Starry Night User’s Guide 70
- Sky Data 71 71
- 72 Starry Night User’s Guide 72
- Sky Data 73 73
- 74 Starry Night User’s Guide 74
- Sky Data 75 75
- 76 Starry Night User’s Guide 76
- Sky Data 77 77
- 78 Starry Night User’s Guide 78
- Object Databases 79
- 80 Starry Night User’s Guide 80
- Object Databases 81 81
- 82 Starry Night User’s Guide 82
- Object Databases 83 83
- 84 Starry Night User’s Guide 84
- Object Databases 85 85
- 86 Starry Night User’s Guide 86
- Object Databases 87 87
- 88 Starry Night User’s Guide 88
- Object Databases 89 89
- 90 Starry Night User’s Guide 90
- Object Databases 91 91
- 92 Starry Night User’s Guide 92
- Object Databases 93 93
- 94 Starry Night User’s Guide 94
- Object Databases 95 95
- 96 Starry Night User’s Guide 96
- Object Databases 97 97
- 98 Starry Night User’s Guide 98
- 100 Starry Night User’s Guide 100
- Bending Space & Time 101 101
- 102 Starry Night User’s Guide 102
- Bending Space & Time 103 103
- 104 Starry Night User’s Guide 104
- Bending Space & Time 105 105
- 106 Starry Night User’s Guide 106
- Bending Space & Time 107 107
- 108 Starry Night User’s Guide 108
- Bending Space & Time 109 109
- 110 Starry Night User’s Guide 110
- Bending Space & Time 111 111
- 112 Starry Night User’s Guide 112
- Bending Space & Time 113 113
- 114 Starry Night User’s Guide 114
- Observation Tools 115
- Observation Tools 117 117
- Observation Tools 119 119
- Observation Tools 121 121
- Observation Tools 123 123
- Observation Tools 125 125
- Using your completed list: 126
- Observation Tools 127 127
- Observation Tools 129 129
- Observation Tools 131 131
- Handbox simulator: 132
- Observation Tools 133 133
- Observation Tools 135 135
- Types of Equipment: 136
- Observation Tools 137 137
- Observation Tools 139 139
- Observation Tools 141 141
- Observation Tools 143 143
- Working With Files 145
- Working With Files 147 147
- Working With Files 149 149
- Working With Files 151 151
- Working With Files 153 153
- Working With Files 155 155
- Working With Files 157 157
- Adding Your Own Data 159
- Creating a Calendar: 160
- Adding Your Own Data 161 161
- Adding Your Own Data 163 163
- °, the pericentre occurs 164
- Adding Your Own Data 165 165
- Adding Your Own Data 167 167
- Adding Your Own Data 169 169
- Adding Your Own Data 171 171
- Adding Your Own Data 173 173
- Adding Your Own Data 175 175
- Adding Your Own Data 177 177
- Adding Your Own Data 179 179
- Starry Night Pro Plus 181
- Starry Night Pro Plus 183 183
- Starry Night Pro Plus 185 185
- Starry Night Pro Plus 187 187
- Frequently Asked Questions 189
- 190 Starry Night User’s Guide 190
- 192 Starry Night User’s Guide 192
- 194 Starry Night User’s Guide 194
- 196 Starry Night User’s Guide 196
- 198 Starry Night User’s Guide 198
- Keyboard Shortcuts 199
- 200 Starry Night User’s Guide 200
- 202 Starry Night User’s Guide 202
- 204 Starry Night User’s Guide 204
- 206 Starry Night User’s Guide 206
- 208 Starry Night User’s Guide 208
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