OABO Online P.A. Calculator

Parallactic Angle.
Hour Angle (HH.HH + west, - est): 
Observer latitude (decimal degree):
+45.83 Ekar, +33.36 Palomar 
-29.25 La Silla, -24.67 Paranal,
-29.0 Las Campanas 
Target declination (decimal degree):
WARNING: it must be  different from the observer latitude!
Minimum declination value to be plotted? 
Maximum declination value to be plotted? 
Declination step? (10) 


G.Altavilla

Date: Feb 2, 2007 By G. Altavilla