... A reference of stars in a particular field of view can also be obtained (if you own a computer) by using (4), or (11) although it is cautioned that while these programs employ the Guide Star Catalog (GSC), many stars in a particular field might be omitted, as the GSC is a limited-yield program....perhaps the enterprising individual could print out the charts (4)(11), and add stars that appear from the eyepiece/photo's of ones particular scope. (also see magnitudes below concerning GSC magnitudes). ...