Witt was taking a 2-hour exposure of Beta Aquarii to secure astrometric positions of asteroid 185 Eunike.
Witt was taking a 2-hour exposure of beta Aquarius to get astrometric positions of asteroid 185 Eunike.
Witt was taking a 2-hour exposure of beta Aquarius to get astrometric positions of asteroid 185 Eunike.
文をもっと簡単にしてください: Witt was taking a 2-hour exposure of Beta Aquarii to secure astrometric positions of asteroid 185 Eunike. 出力: