10" dobsonian ad10 apollo asteroid astronomy astrophography astrophotography autoguiding baader q turret barlow beginner beginner advice binoculars camera canon celestron collimation comet d5300 dobsonian double stars dslr dslr astrophotography dss ed80 80mm f/7.5 eq6-r pro eyepiece eyepiece advice finder scope finderscope galaxy heq5 pro hubble jupiter lagoon nebula light pollution lunar mars meade messier 110 award milky way moon mount mounts nasa newbie newtonian oberwerk 25x100 open clusters orion orion 10" astrograph f3.9 outreach planets reflector refractor saturn sequence generator pro skywatcher solar system starsense startools takahashi telescope tracking tripod universe wedge zwo 385mc zwo385mc zwo asi120mm