I'm more interested in the diameter of the primary mirror, myself. <img src="/images/icons/wink.gif" /><br /><br />Someday, I will get a 12-inch Dobsonian and move to a darker location.... <div class="Discussion_UserSignature"> <p> </p><p><font color="#666699"><em>"People assume that time is a strict progression of cause to effect, but actually from a non-linear, non-subjective viewpoint it's more like a big ball of wibbly wobbly . . . timey wimey . . . stuff."</em> -- The Tenth Doctor, "Blink"</font></p> </div>