Nstar's Laboratory
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★"
Star Watching −星見に行こう−
あなたも都会の喧騒を離れ、星を見に行きませんか?
My Styles
of
Star Watching
prologue
how to
binoculars
50mm bino
82mm bino
120mm bino
180mm scope
356mm scope
storage
deck
gear
books
links
epilogue
retired
to enjoy
the wonderful
night sky
瞳のお話
Sec. I
極限等級
Sec. II
両眼視と
極限等級
Sec. III
双眼装置の
開口径
Sec. IV
RFTの条件
Sec. V
瞳を測る
to be
continued
http://www2e.biglobe.ne.jp/~isizaka/nstar/
by Satoshi ISHIZAKA