10 January 2017

アルデバラン食

Last night we watched the moon eclipse the Aldebaran.



At first we could see the moon and the Aldebaran very clearly together with naked eye. But as the Aldebaran came closer and closer to the moon, it became dark by outshining moon.  I kept watching them with my field scope.  And just after midnight, the star disappeared!

久しぶりに望遠鏡を引っぱり出して、鳥ではなくて、アルデバランと月を観察。ずっと見ていたら、真夜中過ぎ、一瞬のうちにぽっとアルデバランが消えた。潜入した瞬間だ!
欠けて見える月の影部分にも、見えない月が存在するのだと実感。

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