H-alpha filament - Lunt LS50C etalon Modkit
Taken by Apollo Lasky on August 27, 2019 @ Naperville, IL
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Date Taken: 2019:08:27 17:08:30
 
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LS50C etalon operating at negative 500mm, 160mm x 1600mm telescope +baader planetarium 75mm D-erf + Beloptik ITF + coronado pst 5mm blocking filter + 2x pentax tele-extender + +basler aca640-750um usb3 camera
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