<s>
RegiStax	B-Language
is	O
image	B-Algorithm
processing	I-Algorithm
software	O
for	O
amateur	O
astrophotographers	O
,	O
released	O
as	O
freeware	B-License
,	O
designed	O
to	O
run	O
under	O
Windows	O
,	O
but	O
which	O
also	O
runs	O
on	O
Linux	B-Application
,	O
under	O
wine	B-Application
.	O
</s>
<s>
The	O
stack	O
of	O
images	O
can	O
be	O
in	O
the	O
form	O
of	O
individual	O
consecutive	O
shots	O
or	O
from	O
frames	O
of	O
a	O
movie	B-Application
camera	I-Application
trained	O
on	O
the	O
scene	O
.	O
</s>
