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CHET

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The Chart Error Reporting Tool (CHET) is back online Aaron Price 3 years 6 weeks ago Page
Instructions for CHET (Chart Error Tracking Tool) SXN 41 weeks 5 days ago Page
CHET willmcmain 2 years 51 weeks ago Blog entry
AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484