Other over Colorado Sprigns, CO

The report, as filed

I was outside, and happened to look up, and saw a strange object in the sky almost directly above my house. I stared at it for about 5 minutes, and nothing on it moved, it looked very artificial. Having never seen anything like this before, and given how slowly up it was moving. There was a small Cessna style aircraft flying by, at what appeared to be the same altitude (very hard to tell) if I had to guess the aircraft was probably 500-1000 AGL. I went inside and grabbed a camera with a 200mm lens. Went back out after about 3 minutes inside getting the camera and lens. Snapped a couple photos, but it was either so small or so high in the sky 200mm wasn't enough. I then went back in got a 2x converter, so we're at 400mm on a crop sensor, so 600mm effective focal length at 24MP. I took about 10 photos at ISO 4000 with a wide open f5.6 aperture. It continued rising, and kind of rotating around and banking in a couple of the photos you will receive. There was no audible noise coming from it, no lights. I lost sight of it as it continued to get dark, and there were also some clouds in the sky.

Held as-reported from National UFO Reporting Center (record NUFORC #142884). Witness text is preserved verbatim, including its spelling; nothing is edited beyond formatting.