Making a plot in equatorial coordinates

[[Mod. note -- I mistakenly posted this article with a Date: field about
3 days in the past. This is a repost with a correct ("up-to-date") Date:
field. I apologise for the mixup.
-- jt]]

Hi,

I have a list of objects given in equatorial coordinates... Is there a programm
which lets me plot a projection of these coordinates (like you would print out a
map of the world) with my datapoints in it?

Greetings,
Christian Herenz