Collections
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SIMBAD Stars by Shigeru (10 subjects)
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M stars, fails W1-W4 test by Shigeru (10 subjects)
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Late Type Stars by michiharu (10 subjects)
Disk Detective Talk
SIMBAD Stars by Shigeru (10 subjects)
M stars, fails W1-W4 test by Shigeru (10 subjects)
Late Type Stars by michiharu (10 subjects)