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My Observation in Astronomy

Gallery

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‰F’ˆ‚Ì�L‚ª‚è
DPLŒ^•ªŒõŠí
LPS-P1 vs NBN-PV filter
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ŒÅ’èŽB‰eŽ®ƒsƒ“ƒg‚¾‚µ
Light Pollution in Tucson
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•ªŒõŒv(in Japanese) Spectroscope(in English)

Astronomy

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