<s>
In	O
amateur	O
astronomy	O
,	O
"	O
GoTo	B-Application
"	O
refers	O
to	O
a	O
type	O
of	O
telescope	O
mount	O
and	O
related	O
software	O
that	O
can	O
automatically	O
point	O
a	O
telescope	O
at	O
astronomical	O
objects	O
that	O
the	O
user	O
selects	O
.	O
</s>
<s>
Both	O
axes	O
of	O
a	O
GoTo	B-Application
mount	O
are	O
driven	O
by	O
a	O
motor	O
and	O
controlled	O
by	O
a	O
computer	O
.	O
</s>
<s>
It	O
may	O
be	O
either	O
a	O
microprocessor-based	O
integrated	O
controller	O
or	O
an	O
external	O
personal	B-Device
computer	I-Device
.	O
</s>
<s>
Like	O
a	O
standard	O
equatorial	O
mount	O
,	O
equatorial	O
GoTo	B-Application
mounts	O
can	O
track	O
the	O
night	B-Application
sky	I-Application
by	O
driving	O
the	O
right	O
ascension	O
axis	O
.	O
</s>
<s>
Since	O
both	O
axes	O
are	O
computer	O
controlled	O
,	O
GoTo	B-Application
technology	O
also	O
allows	O
telescope	O
manufacturers	O
to	O
add	O
equatorial	O
tracking	O
to	O
mechanically	O
simpler	O
altazimuth	O
mounts	O
.	O
</s>
<s>
GoTo	B-Application
mounts	O
are	O
pre-aligned	O
before	O
use	O
.	O
</s>
<s>
Alt-azimuth	O
GoTo	B-Application
mounts	O
need	O
to	O
be	O
aligned	O
on	O
a	O
known	O
"	O
alignment	O
star	O
"	O
,	O
which	O
the	O
user	O
will	O
centre	O
in	O
the	O
eyepiece	O
.	O
</s>
<s>
From	O
the	O
inputted	O
time	O
and	O
location	O
and	O
the	O
star	O
's	O
altitude	B-Application
and	O
azimuth	O
the	O
telescope	O
mount	O
will	O
know	O
its	O
orientation	O
to	O
the	O
entire	O
sky	O
and	O
can	O
then	O
find	O
any	O
object	O
.	O
</s>
<s>
When	O
the	O
user	O
selects	O
an	O
object	O
from	O
the	O
mount	O
's	O
database	O
,	O
the	O
object	O
's	O
altitude	B-Application
and	O
azimuth	O
will	O
be	O
computed	O
from	O
its	O
right	O
ascension	O
and	O
declination	O
.	O
</s>
<s>
Then	O
,	O
the	O
mount	O
will	O
move	O
the	O
telescope	O
to	O
that	O
altitude	B-Application
and	O
azimuth	O
and	O
track	O
the	O
object	O
so	O
it	O
remains	O
in	O
the	O
field	O
of	O
view	O
despite	O
Earth	O
's	O
rotation	O
.	O
</s>
<s>
For	O
an	O
equatorial	O
GoTo	B-Application
telescope	I-Application
mount	O
,	O
the	O
user	O
must	O
align	O
the	O
mount	O
by	O
hand	O
with	O
either	O
the	O
north	O
celestial	O
pole	O
or	O
the	O
south	O
celestial	O
pole	O
.	O
</s>
<s>
After	O
alignment	O
the	O
telescope	O
mount	O
will	O
then	O
know	O
its	O
orientation	O
with	O
respect	O
to	O
the	O
night	B-Application
sky	I-Application
,	O
and	O
can	O
point	O
to	O
any	O
right-ascension	O
and	O
declination	O
coordinates	O
.	O
</s>
<s>
Smart	O
telescopes	O
are	O
motorized	O
telescopes	O
controlled	O
from	O
a	O
smartphone	B-Application
or	O
tablet	B-Device
using	O
integrated	O
image	B-Architecture
sensors	I-Architecture
and	O
software	O
.	O
</s>
