Yes, those are Jupiter's moons. S&T (print version) has a chart showing
which is which and there is software available which will do the same. Some
other links you might enjoy a

An observing guide to Jupiter:
http://skyandtelescope.com/observing...icle_174_1.asp

To find times for the Red Spot:
http://skyandtelescope.com/observing...icle_107_1.asp

A guide to observing Saturn:
http://skyandtelescope.com/observing...icle_304_1.asp

Finding and identifying Saturn's moons:
http://skyandtelescope.com/observing...cle_1136_1.asp

And highlights for the coming year:
http://skyandtelescope.com/observing...cle_1135_1.asp

Enjoy!

Chuck Taylor
Do you observe the moon?
Try the Lunar Observing Group
http://groups.yahoo.com/group/lunar-observing/
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"dkc_2001" wrote in message
link.net...
I'm observing Jupiter through my Tasco 675 with the H12.5mm Lens, when I
notice three points of light, 2 above, and one below, in a very straight
line. Could those be Jupiter's moons? Just curious, and thanks for the
help.