I think it is clearing up!
Retired owner of Tectron Telescopes and retired editor of "Amateur Astronomy Magazine." Author of "The Modern Dobsonian" and "Starry Starry Nights"
Indiana for two more weeks...
14.5" Teeter w/ Richard Fagin mirror, TT #66
EON 120ED on CG-5 ASGT
Lunt LS60THa/B1200 Sky Guy Porta II
Denk Super System with A45 OCS
Author of "What's Up" articles for CN Author "Touching the Universe" iUniverse Author "Deep Sky Observing" Springer Author "Nebulae and How to Observe Them" Springer 8" Celestron SCT and Vixen ED 80 on a CGEM Canon T2i camera and lenses for piggybacking
Celestron Super C8+ (deforked) Atlas EQ-G Mount Celestron Onyx 80mm ED F Canon T4i (unmodified)
CG5ASGT Astro-Tech AT6RC Zhumell 10 inch dob deluxe kit 10x12 observatory Echo Astronomy maker of Custom bahtinov masks and Duncan collimation masks.
David M. Douglass - Tempe, Arizona - http://www.az-dahut.net/
Quote:The trick in engineering design is to make the mistakes look like they were "done on purpose".JimC
Tim Gilliland http://astrobin.com/users/Timgilliland/
Quote:It's what we aerospace engineers like to call "a feature".
Explore Scientific 127mm ED APO Orion 100ED Orion 90mm Achro Explore Scientific 80mm ED APO Orion ST80 Celestron SP-C6 Newt Orion XT10i Meade 12X60Orion Ultra View 8X42---------- Super Polaris CG-5GT ES Twilight I Skyview AZ Paragon Plus ---------- Torrance,CA
If it weren't for physics and law enforcement, I'd be unstoppable.
Others may disagree. Your millage may vary. Void where prohibited by law.
6" F4.6(w/Paracorr) Reflector , 8" F11 Dall Relay Scope ,
6" F5 RFT Refractor w/Istar Obj , G11 Mount Gemini1 Level 4
12.5 " F5.6 Homemade Dob , mirror ground and figured by myself 10 " F4.0 LXD55 Meade 6" F8 Homemade Dob , mirror ground and figured by myself , Sears 60mm x 900mm Refractor
Quote:Anybody know how to slow down an AC motor without doing it by gearing?
Mike Lockwood - Owner, Lockwood Custom Optics. 20" F/3 MX Starmaster, 14.5" F/2.55 self-built Newt., nine self-built scopes, 4.25" to 30" http://www.Loptics.com/
Meade 16" f/4.5 Lightbridge M42 w/Paracorr & "Crossbow" EQT-200 Equatorial Platform
Meade AR-6 w/10:1 Dual Speed Crayford Focuser
Meade ETX-125 Terabeam/Wegat
Orion ST80 w/single speed Crayford Focuser
CGEM Hypertuned by Deep Space Products
DreamCatcher Dobservatory/AstroTech 16" dob.