V503 Cyg superoutburst update YYYYMMDD(UT) mag observer 20030907.887 <142 (Eddy Muyllaert) 20030910.910 <142 (Eddy Muyllaert) 20030912.035 <160 (Dan Taylor) 20030913.056 135 (Dan Taylor) 20030913.162 136 (Mike Simonsen) 20030913.857 138 (Eddy Muyllaert) 20030914.184 139 (Mike Simonsen)
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