User`s guide

208 Starry Night User’s Guide
customizing steps 101
delta T 74
discrete steps 100
modes 101
returning to present 23
sidereal 74
system, setting correctly 191
universal 74
using 24-hour clock 192
Time zone, finding 192
Toolbar 20
Tully 3-D database 82
display options 50
filaments and groups 51
Two-line elements 165
U
Universal time, determining 74
Updates
databases 85
program 17
User images
adding 171
display options 49
User’s guide, outline 8
V
Variable stars 85
marking 42
Vernal/Autumnal equinox, displaying 59
Viewing direction
changing default 22
Viewing direction, changing 22
Vixen SkySensor alignment stars 85
W
Website, Starry Night 17
White sky mode 143
Z
Zenith 22, 58
Zodiac, following Sun’s path through 195
Zoom buttons 27
Zooming in/out 27