760mm dobsonian
also from Mr. Sloboda, deltagraph 465mm f/3.2 (zimmerald widefield?)
with ASA 0.95x wynn corrector
reference books:
written by
and Navashin Mikhail Sergeevich М.С.Навашин, “Телескоп Астронома Любителя,” Астрономическая Библиотека
My personal blog
760mm dobsonian
also from Mr. Sloboda, deltagraph 465mm f/3.2 (zimmerald widefield?)
with ASA 0.95x wynn corrector
reference books:
written by
and Navashin Mikhail Sergeevich М.С.Навашин, “Телескоп Астронома Любителя,” Астрономическая Библиотека
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