OABO Online P.A. Calculator

Parallactic Angle.
observer latitude [dd mm ss.ss] (+ North, - South, 0 not allowed):
+45 50 36.2 Ekar, +44 15 30 Loiano, +33 21 21.6 Palomar, +28 45 28.3 TNG, +37 13 25 CAHA, -29 15 00 La Silla, -24 37 31 Paranal, -29 00 30 Las Campanas  
Sidereal time [hh mm ss]: 
Target Right Ascension [hh mm ss.ss]:
Target Declination [+-dd mm ss.ss]:
WARNING: it must be  different from the observer latitude!
Minimum declination value to be plotted (>-90)? 
Maximum declination value to be plotted (<+90)? 
Declination step? (10) 


This page is mantained by: Giuseppe Altavilla
Date: Nov 5, 2007