Сравнение некоторых телескопов Celestron, Meade, Skywatcher, Stellarvue, Vixen
Astronomical Telescope Comparison: 23 Scopes Compared! Includes: Celestron C60, Celestron SP-C80, C90 Astro, Celestron Omni XLT 102, Celestron Omni XLT 102ED, Celestron Omni XLT 150, Celestron SP-C6, Celestron C6-A-XLT, Celestron C8-A-XLT, Meade ETRS-90, Meade 114mm Reflector, Skywatcher ..
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M13. 04.08.2013. SW25012, MPCC, Nikon D5100. 81х30сек. DSS, Iris, FS, PS