Astronomical Institute
Ondrejov
Czech Republic
10:39:58 UT
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12 Augest 2000 10:39:58 UT |
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phi - the angle between the green vertical line passing through
the solar disk image and the violet radius vector "r" of the object
located at the center of the spectrograph slit- red cross.
positive - clockwise, negative - counterclockwise
r - radius vector (in arcsec) of the object
located at the center of the spectrograph slit- red cross.
P - Position angle of the northern solar pole (as related to the
direction of the earth' axis).
sio : Solar image orientation = diurnal movement
timezone - central european (summer) time
m. mirr. pos : main mirror position = 0: in meridian,
E: to the east, W: to the west
mx = x coordinate of the coelostat main mirror
dec.: declination of the Sun
mz = distance of the two coelostat mirrors
x : carthesian solar coordinate alog axis parallel to solar equator (in arcsec)
y : carthesian solar coordinate alog axis parallel to solar axis (in arcsec)