See more detail at USNO's webpage for this chart.
The latitude/logitude and timezone of the Addison Oaks Observatory chart must be correct for the times here or on USNO's page to be accurate. Check the road map and that Addison Oaks Observatory is in the UT-5.0 timezone on eclipse day.
Addison Oaks Observatory Clear Sky Chart | All charts along eclipse path | Charts Home
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