In June, the Austrian amateur astronomer spied a secret Chinese spaceplane. Now, Mr. Schöfbänker has spotted a mysterious U.S ...
STURDY DOBSONIAN BASE: The durable Dobsonian base ... 12” PRIMARY MIRROR: Our Newtonian reflector telescope is equipped with a large, 12-inch primary mirror for stunning views of planets ...
Astrophotographer Felix Schöfbänker used a 14-inch Dobsonian telescope to capture the image of the satellite, which is known ...