Asteroid 99942 Apophis imaged from my backyard last night on a 100mm telescope. Around 400m wide and 16+ million km away, this was its closest pass until 2029 when it will come as close to Earth as geostationary satellites. (OC)

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They should start training the astronauts for well digging now so it’s not so last minute


Time-lapse info: 60 x 60s frames; camera: ZWO ASI1600MMPro; telescope: SW Esprit 100 (550mm focal length); filter: Chroma luminance


How close is geostationary satellites again, please?


I am suddenly reminded of the movie Greenland