fortran_astrolabe

Astrolabe and astronomy tools in Fortran IV

Tools for naked eye astronomy, written for the VAX and PDP-11.

Library is ASTRLB.FOR. Star chart is STARS.DAT

Main programs:

• ANALMA : Compute the right ascension, declination, noon elevation, and noon azimuth of the sun
• STAREL : Compute star elevations at a specified time
• MOONEL : Compute the elevation of the moon at a specified time
• JUPEL : Compute the elevation of Jupiter at a specified time
• SUNPOS : Compute the location of the sun at a specified time

References:

• Wikipedia entries for Sideral time, position of the sun
• [http://stjarnhimlen.se/]