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German astronomer and photographer, Sebastian Voltmer, recently accomplished a most impressive feat: capturing astronauts on a spacewalk outside the International Space Station, from the comfort of planet Earth, using nothing more than an off-the-shelf telescope.

About the photo

This amazing image was snapped on March 23rd, 2022 using a C11 EdgeHD telescope, “shortly after sunset in the bright evening sky over Germany,” says Voltmer. And it clearly shows astronauts Matthias Maurer and Raja Chari performing a routine spacewalk outside the station—Chari is the one seemingly dangling upside down (see Tweet below).

“I feel like I just made a once-in-a-lifetime image. It’s probably the first ground-based picture showing two spacewalkers on the ISS at the same time,” Voltmer says.

About the telescope used

The C11 EdgeHD telescope, used by Voltmer, can be purchased new for around $4,500 on its own (or closer to $6,500 with mounting accessories). While that isn’t exactly cheap, it’s also not outside the realm of attainable for an avid astrophotographer—and hey, it’s still more affordable than the Dragonfly Telephoto Array, made from 168 Canon 400mm lenses.

The telescope has 2800mm of reach and a fixed f/10 aperture. Voltmer used it attached to a robotically-controlled mount, to help track the station’s movement. You can check out a video, with behind-the-scenes details about his setup, below.

The wrap

This story once again proves that you don’t need to be a professional photographer to capture something amazing or unique. And even if you don’t have a pricy telescope (or camera), you should still get out there and explore! Who knows, maybe you’ll shoot a once-in-a-lifetime photo too.

You can see more of Sebastian Voltmer’s work here.

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