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Hydorogen alpha line's Weekly Images
Observed with Sartorius 18cm Refractor Telescope
(Made in German [Zartorius] 1910)
at Kwasan Observatory
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Explanation of file names
yyyymmddN.gif ; North Hemisphere in 'yyyy'-year, 'mm'-month, 'dd'-th.
yyyymmddS.gif ; South Hemisphere in 'yyyy'-year, 'mm'-month, 'dd'-th.
yyyymmddE.gif ; East Limb in 'yyyy'-year, 'mm'-month, 'dd'-th.
yyyymmddW.gif ; West Limb in 'yyyy'-year, 'mm'-month, 'dd'-th.
yyyymmddC.gif ; Near the Disk Center in 'yyyy'-year, 'mm'-month, 'dd'-th.