From d54fe7c1f704a63824c5bfa0ece65245572e9b27 Mon Sep 17 00:00:00 2001 From: Joseph Hunkeler Date: Wed, 4 Mar 2015 21:21:30 -0500 Subject: Initial commit --- src/slalib/sun67.htx/node141.html | 107 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 107 insertions(+) create mode 100644 src/slalib/sun67.htx/node141.html (limited to 'src/slalib/sun67.htx/node141.html') diff --git a/src/slalib/sun67.htx/node141.html b/src/slalib/sun67.htx/node141.html new file mode 100644 index 0000000..6e011b5 --- /dev/null +++ b/src/slalib/sun67.htx/node141.html @@ -0,0 +1,107 @@ + + + + +SLA_PDA2H - H.A. for a Given Azimuth + + + + + + + + + + + + +
+ +next + +up + +previous +
+ Next: SLA_PDQ2H - H.A. for a Given P.A. +
+Up: SUBPROGRAM SPECIFICATIONS +
+ Previous: SLA_PCD - Apply Radial Distortion +

+

+

SLA_PDA2H - H.A. for a Given Azimuth +   +

+
+
ACTION: +
Hour Angle corresponding to a given azimuth (double precision). +
CALL: +
CALL sla_PDA2H (P, D, A, H1, J1, H2, J2) +

+

+
GIVEN: +
+
+ + + + + + + + + + + + + +
PDlatitude
DDdeclination
ADazimuth
+

+
RETURNED: +
+
+ + + + + + + + + + + + + + + + + +
H1Dhour angle: first solution if any
J1Iflag: 0 = solution 1 is valid
H2Dhour angle: second solution if any
J2Iflag: 0 = solution 2 is valid
+
+ +next + +up + +previous +
+ Next: SLA_PDQ2H - H.A. for a Given P.A. +
+Up: SUBPROGRAM SPECIFICATIONS +
+ Previous: SLA_PCD - Apply Radial Distortion +

+

+

+SLALIB --- Positional Astronomy Library
Starlink User Note 67
P. T. Wallace
12 October 1999
E-mail:ptw@star.rl.ac.uk +
+ + -- cgit