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Fringing Filters • Absorb much of blue or violet fringing seen in achromatic refractors. • Best used on small, well-corrected refractors
Avoidable oculars • 2” Kellners in short f. ratios • Zooms
Star Charts (Free or shareware) • SkyGlobe (download from search engine) • Cartes du Ciel (download from search engine) • Cloudy Nights – Andrew Johnson http://www.cloudynights.com/item.php?item_id=1052
Equipment Vendors • Anacortes Telescope – www.buytelescopes.com • Astromart classified – www.astromart.com • Gary Russell Optics - http://www.citlink.net/~optics/products.html • Hands on Optics – www.handsonoptics.com • Oceanside Photo & Telescope - www.optcorp.com • Orion Telescope – www.telescope.com • Sirius Optics - http://www.siriusoptics.com/