(User.programs)
Item: 280 by _cheilman at hpcvbbs.UUCP
Author: [Chris Heilman]
  Subj: A new graphic astronomy program.
  Keyw: sky: a pocket planetarium
  Date: Sat May 11 1991

Hi, This is my first upload here, a planetarium that was
inspired by all of the great astronomy software here, especially
Finseth's moon phase.

To run the program, first you must set your loaction by STOring
your latitude and longitude (in degrees) into the variables LAT
and LONG.  Then STO the hours you must add to your time to get
universal (Greenwich) time into the variable ZONE.  These
variables are on the second page of the VAR menu.  DO this only
once unless you move.  (If you live near Phoenix, it's allready
set.)

Press the NOW key on the first page, then SKY, wait until the
ticking stops and scroll around the sky, taking note of the 100
or so brightest objects in the sky. (Thats about all I can see
from the city.)  Instead of now, you can enter any date and time,
or instead of SKY try SUN or MOON.  Precede the date and time
with a planet number and press PLANET.  Convert between Equatorial,
Ecliptic and Horizonal coordinates just like in Duffet-Smiths
book.  Use C->E, E->C, with equatorial or ecliptic coordinates
on the stack or C->H or H->C with the date and time as well as
the coordinates on the stack.

A better description and other display modes will be posted soon.
Let me know if you like this program, Thanks Chris Heilman

bitnet address: HEILMAN@MARICOPA.PC
internet: HEILMAN@MARICOPA.PC.edu