<s>
The	O
ESA/ESO/NASA	O
FITS	O
(	O
Flexible	O
Image	O
Transport	O
System	O
)	O
Liberator	O
is	O
a	O
free	B-Application
software	I-Application
program	O
for	O
processing	O
and	O
editing	O
astronomical	O
science	O
data	O
in	O
the	O
FITS	O
format	O
to	O
reproduce	O
images	O
of	O
the	O
universe	O
.	O
</s>
<s>
Version	O
3	O
and	O
later	O
are	O
standalone	O
programs	O
;	O
earlier	O
versions	O
were	O
plugins	O
for	O
Adobe	B-Operating_System
Photoshop	I-Operating_System
.	O
</s>
<s>
FITS	B-Application
Liberator	I-Application
is	O
free	B-Application
software	I-Application
released	O
under	O
the	O
BSD-3	B-Operating_System
license	I-Operating_System
.	O
</s>
<s>
The	O
engine	O
behind	O
the	O
FITS	B-Application
Liberator	I-Application
is	O
NASA	O
's	O
CFITSIO	O
library	B-Library
.	O
</s>
<s>
While	O
not	O
limited	O
solely	O
to	O
image	O
data	O
,	O
archives	O
in	O
the	O
FITS	O
file	O
format	O
include	O
images	O
of	O
stars	O
,	O
nebulae	O
and	O
galaxies	B-Application
produced	O
by	O
space-based	O
and	O
ground-based	O
telescopes	O
from	O
around	O
the	O
world	O
.	O
</s>
<s>
The	O
FITS	B-Application
Liberator	I-Application
has	O
become	O
the	O
industry	O
standard	O
for	O
professional	O
imaging	O
scientists	O
at	O
the	O
European	O
Space	O
Agency	O
(	O
ESA	O
)	O
,	O
the	O
European	O
Southern	O
Observatory	O
(	O
ESO	O
)	O
,	O
and	O
NASA	O
.	O
</s>
<s>
The	O
first	O
and	O
second	O
versions	O
of	O
the	O
FITS	B-Application
Liberator	I-Application
were	O
released	O
in	O
July	O
2004	O
and	O
August	O
2005	O
respectively	O
,	O
the	O
version	O
,	O
v3.0.1	O
,	O
was	O
released	O
in	O
February	O
2012	O
.	O
</s>
<s>
Version	O
1	O
of	O
the	O
ESA/ESO/NASA	O
Photoshop	B-Operating_System
FITS	B-Application
Liberator	I-Application
was	O
completed	O
in	O
July	O
2004	O
by	O
imaging	O
scientists	O
at	O
the	O
European	O
Space	O
Agency	O
(	O
ESA	O
)	O
,	O
the	O
European	O
Southern	O
Observatory	O
(	O
ESO	O
)	O
,	O
and	O
NASA	O
.	O
</s>
<s>
Version	O
2	O
of	O
the	O
ESA/ESO/NASA	O
Photoshop	B-Operating_System
FITS	B-Application
Liberator	I-Application
image	O
processing	O
software	O
made	O
it	O
both	O
easier	O
and	O
faster	O
to	O
create	O
colour	O
images	O
from	O
raw	O
observations	O
.	O
</s>
<s>
With	O
the	O
advent	O
of	O
the	O
FITS	B-Application
Liberator	I-Application
v2.0	O
,	O
it	O
became	O
possible	O
for	O
people	O
at	O
home	O
to	O
create	O
spectacular	O
pictures	O
like	O
the	O
iconic	O
Hubble	O
image	O
Pillars	O
of	O
Creation	O
in	O
a	O
matter	O
of	O
minutes	O
.	O
</s>
<s>
Based	O
on	O
a	O
new	O
standard	O
for	O
Astronomy	B-Algorithm
Visualization	I-Algorithm
Metadata	I-Algorithm
(	O
AVM	B-Algorithm
)	O
,	O
this	O
information	O
is	O
stored	O
in	O
the	O
standard	O
manner	O
comparable	O
to	O
that	O
used	O
by	O
digital	O
cameras	O
to	O
record	O
exposure	O
information	O
.	O
</s>
<s>
The	O
ESA/ESO/NASA	O
WFPC2	B-Algorithm
Mosaicator	O
:	O
This	O
new	O
add-on	O
tool	O
works	O
on	O
Hubble	O
WFPC2	B-Algorithm
images	O
.	O
</s>
<s>
It	O
will	O
generate	O
a	O
single	O
WFPC2	B-Algorithm
mosaic	O
file	O
from	O
one	O
WFPC2	B-Algorithm
file	O
containing	O
four	O
CCD	O
images	O
in	O
individual	O
planes	O
.	O
</s>
<s>
The	O
ESA/ESO/NASA	O
FITS	O
Concatenator	O
:	O
This	O
Adobe	B-Operating_System
Photoshop	I-Operating_System
script	O
will	O
combine	O
the	O
metadata	O
from	O
two	O
or	O
more	O
individual	O
exposures	O
after	O
the	O
FITS	O
Liberation	O
process	O
.	O
</s>
<s>
Version	O
3.0	O
of	O
the	O
FITS	B-Application
Liberator	I-Application
include	O
the	O
following	O
new	O
features	O
:	O
</s>
<s>
FITS	B-Application
Liberator	I-Application
is	O
a	O
stand-alone	O
application	O
,	O
no	O
longer	O
requiring	O
Adobe	B-Operating_System
Photoshop	I-Operating_System
.	O
</s>
<s>
FITS	B-Application
Liberator	I-Application
saves	O
TIFF	O
files	O
that	O
open	O
in	O
almost	O
any	O
image	O
processing	O
software	O
.	O
</s>
<s>
Version	O
4.0	O
of	O
the	O
FITS	B-Application
Liberator	I-Application
was	O
released	O
on	O
4	O
March	O
2021	O
,	O
include	O
the	O
new	O
features	O
:	O
</s>
<s>
MacOSX	O
,	O
Windows	B-Application
and	O
Linux	B-Application
support	O
.	O
</s>
<s>
The	O
team	O
that	O
produced	O
FITS	B-Application
Liberator	I-Application
1.0	O
to	O
3.0.1	O
consists	O
of	O
:	O
</s>
<s>
The	O
team	O
that	O
produced	O
FITS	B-Application
Liberator	I-Application
4	O
consist	O
of	O
:	O
</s>
<s>
For	O
experienced	O
users	O
there	O
is	O
a	O
Quick	O
Start	O
Guide	O
available	O
at	O
the	O
FITS	B-Application
Liberator	I-Application
website	O
.	O
</s>
<s>
For	O
new	O
users	O
a	O
Full	O
User	O
Guide	O
for	O
the	O
FITS	B-Application
Liberator	I-Application
3	O
,	O
can	O
be	O
obtained	O
from	O
the	O
European	O
homepage	O
of	O
the	O
NASA/ESA	O
Hubble	O
Space	O
Telescope	O
.	O
</s>
