<s>
Long	B-Algorithm
Range	I-Algorithm
Reconnaissance	I-Algorithm
Imager	I-Algorithm
(	O
LORRI	B-Algorithm
)	O
is	O
a	O
telescope	O
aboard	O
the	O
New	O
Horizons	O
spacecraft	O
for	O
imaging	O
.	O
</s>
<s>
LORRI	B-Algorithm
has	O
been	O
used	O
to	O
image	O
Jupiter	O
,	O
its	O
moons	O
,	O
Pluto	O
and	O
its	O
moons	O
,	O
and	O
Arrokoth	O
since	O
its	O
launch	O
in	O
2006	O
.	O
</s>
<s>
LORRI	B-Algorithm
is	O
a	O
reflecting	O
telescope	O
of	O
Ritchey-Chrétien	O
design	O
,	O
and	O
it	O
has	O
a	O
main	O
mirror	O
diameter	O
of	O
208mm	O
(	O
8.2	O
inches	O
)	O
across	O
.	O
</s>
<s>
LORRI	B-Algorithm
has	O
a	O
narrow	O
field	O
of	O
view	O
,	O
less	O
than	O
a	O
third	O
of	O
a	O
degree	O
.	O
</s>
<s>
Images	O
are	O
taken	O
with	O
a	O
CCD	B-Algorithm
capturing	O
data	O
with	O
1024	O
×	O
1024	O
pixels	B-Algorithm
.	O
</s>
<s>
LORRI	B-Algorithm
is	O
a	O
telescopic	O
panchromatic	O
camera	O
integrated	O
with	O
the	O
New	O
Horizons	O
spacecraft	O
,	O
and	O
it	O
is	O
one	O
of	O
seven	O
major	O
science	O
instruments	O
on	O
the	O
probe	O
.	O
</s>
<s>
LORRI	B-Algorithm
does	O
not	O
have	O
any	O
moving	O
parts	O
and	O
is	O
pointed	O
by	O
moving	O
the	O
entire	O
New	O
Horizons	O
spacecraft	O
.	O
</s>
<s>
LORRI	B-Algorithm
was	O
used	O
to	O
calculate	O
albedos	O
for	O
Pluto	O
and	O
Charon	O
.	O
</s>
<s>
LORRI	B-Algorithm
is	O
also	O
used	O
for	O
navigation	O
,	O
especially	O
to	O
more	O
precisely	O
determine	O
the	O
location	O
of	O
a	O
flyby	O
target	O
.	O
</s>
<s>
In	O
2018	O
,	O
New	O
Horizons	O
spacecraft	O
used	O
navigation	O
data	O
from	O
LORRI	B-Algorithm
for	O
its	O
planned	O
flyby	O
of	O
Arrokoth	O
in	O
a	O
couple	O
months	O
.	O
</s>
<s>
During	O
the	O
cruise	O
to	O
Jupiter	O
,	O
LORRI	B-Algorithm
data	O
was	O
also	O
used	O
to	O
determine	O
a	O
value	O
for	O
the	O
cosmic	O
optical	O
background	O
as	O
an	O
alternative	O
to	O
other	O
methods	O
.	O
</s>
<s>
At	O
Jupiter	O
,	O
LORRI	B-Algorithm
was	O
used	O
for	O
an	O
extensive	O
observation	O
campaign	O
of	O
Jupiter	O
's	O
atmosphere	O
,	O
rings	O
,	O
and	O
moons	O
.	O
</s>
<s>
On	O
August	O
29	O
,	O
2006	O
,	O
the	O
cover	O
on	O
LORRI	B-Algorithm
was	O
opened	O
and	O
it	O
took	O
an	O
image	O
in	O
space	O
of	O
Messier	O
7	O
(	O
aka	O
Ptolemy	O
’s	O
Cluster	O
)	O
for	O
its	O
first	O
light	O
image	O
.	O
</s>
<s>
LORRI	B-Algorithm
also	O
imaged	O
the	O
Jovian	O
system	O
in	O
2010	O
as	O
part	O
of	O
an	O
annual	O
checkout	O
confirming	O
the	O
operation	O
of	O
LORRI	B-Algorithm
,	O
taking	O
pictures	O
from	O
a	O
distance	O
of	O
about	O
16	O
AU	O
.	O
</s>
<s>
In	O
2015	O
,	O
LORRI	B-Algorithm
was	O
used	O
to	O
image	O
Pluto	O
before	O
and	O
during	O
the	O
flyby	O
.	O
</s>
<s>
In	O
December	O
2017	O
,	O
LORRI	B-Algorithm
took	O
an	O
image	O
at	O
a	O
greater	O
distance	O
from	O
Earth	O
than	O
Pale	O
Blue	O
Dot	O
by	O
Voyager	O
1	O
,	O
in	O
this	O
case	O
of	O
the	O
Wishing	O
Well	O
Cluster	O
.	O
</s>
<s>
This	O
cluster	O
was	O
also	O
the	O
first	O
light	O
image	O
for	O
the	O
Wide	B-Algorithm
Field	I-Algorithm
and	I-Algorithm
Planetary	I-Algorithm
Camera	I-Algorithm
of	O
the	O
Hubble	O
Space	O
Telescope	O
,	O
taken	O
in	O
May	O
1990	O
.	O
</s>
<s>
In	O
August	O
2018	O
,	O
LORRI	B-Algorithm
was	O
able	O
to	O
detect	O
Arrokoth	O
at	O
distance	O
of	O
around	O
.	O
</s>
<s>
On	O
the	O
night	O
of	O
December	O
24	O
,	O
2018	O
LORRI	B-Algorithm
was	O
used	O
to	O
take	O
images	O
of	O
Arrokoth	O
at	O
a	O
distance	O
of	O
.	O
</s>
<s>
Three	O
images	O
were	O
taken	O
each	O
with	O
a	O
half	O
second	O
long	O
exposure	O
,	O
at	O
a	O
1024x1024	O
pixel	B-Algorithm
resolution	O
.	O
</s>
<s>
LORRI	B-Algorithm
is	O
a	O
reflective	O
telescope	O
integrated	O
with	O
the	O
New	O
Horizons	O
spacecraft	O
.	O
</s>
<s>
The	O
instrument	O
is	O
a	O
thinned	O
backside-illuminated	B-Algorithm
charge-coupled	B-Algorithm
device	I-Algorithm
,	O
and	O
captures	O
images	O
at	O
a	O
resolution	O
of	O
1024	O
by	O
1024	O
pixels	B-Algorithm
,	O
with	O
a	O
variety	O
of	O
exposure	O
settings	O
.	O
</s>
<s>
LORRI	B-Algorithm
can	O
take	O
one	O
picture	O
per	O
second	O
and	O
store	O
the	O
picture	O
digitally	O
as	O
a	O
12-bit	O
image	O
,	O
with	O
either	O
lossless	O
or	O
lossy	B-Algorithm
compression	I-Algorithm
.	O
</s>
<s>
LORRI	B-Algorithm
incorporates	O
a	O
field-flattening	O
lens	O
with	O
three	O
elements	O
.	O
</s>
<s>
LORRI	B-Algorithm
is	O
pointed	O
by	O
moving	O
the	O
entire	O
spacecraft	O
,	O
which	O
limits	O
the	O
exposure	O
time	O
.	O
</s>
<s>
While	O
passing	O
by	O
Jupiter	O
in	O
February	O
2007	O
,	O
the	O
Jovian	O
system	O
was	O
observed	O
using	O
LORRI	B-Algorithm
and	O
other	O
instruments	O
.	O
</s>
<s>
LORRI	B-Algorithm
views	O
of	O
the	O
Galilean	O
moons	O
:	O
</s>
<s>
Due	O
to	O
its	O
telescope	O
power	O
,	O
LORRI	B-Algorithm
was	O
able	O
to	O
capture	O
images	O
of	O
Pluto	O
and	O
its	O
moons	O
,	O
offering	O
the	O
closer	O
views	O
as	O
the	O
spacecraft	O
flew	O
by	O
the	O
dwarf	O
planet	O
.	O
</s>
<s>
Since	O
LORRI	B-Algorithm
had	O
the	O
highest	O
magnification	O
of	O
the	O
instruments	O
,	O
it	O
captured	O
the	O
closest	O
views	O
of	O
Pluto	O
's	O
terrain	O
during	O
the	O
flyby	O
.	O
</s>
