Ptt 大爆卦 | ephemeris 2047 - 前往 https://groups.io/g/mpml/topic/87972757?p=,,,20,0,0,0::recentpostdate/sticky,,,20,0,0,87972757

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[email protected] | JWST booster (and other artsat) ephems

It'll fade out over the next few months, then be seen again in June 2047 at about mag 20. Horizons is an excellent source for ephemerides ...

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