BTA
Apparent Place
to/from
FK5
coordinates transformation.
(based on procedure published at
IAA A.Y.
and on
IAU SOFA
library)
Coordinates(
J2000
):
R.A.:
(hh mm ss)
Dec. :
(±dd mm ss)
Proper motion:
100
m
a
:
(sec/century)
100
m
d
:
(arcsec/century)
(for FK5 epoch)
Parallax
:
(arcsec)
V
radial
:
(km/sec)
Action:
J2000 (FK5) ...>>>... AP (current moment)
AP (current moment) ...>>>... J2000 (FK5)
Get AP(current coordinates) from BTA TCS
Date:17-Jan-2026 Solar Time:11:36:55.000
Mean Sidereal Time: 19:09:49.34940 (Apparent=19:09:49.75256)
Julian Date: 2461057.85897 (MJD=61057.3589699)
Last Action: Start (?) ==> (J2000) 00:00:00.000 +00:00:00.00
