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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