I have this telescope http://www.celestron.com/astronomy/t...ar-127slt.html and I
wondered if there are any deep sky objects that can be view clearly with it? I just bought it and I have been
using it to view the moon and planets Venus, Mars, Jupiter and Saturn. Can any other planets or nebula or stars be seen with it? Also, do you think it is worth buying the GPS unit for this size telescope? thanks for you input.