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    My "Office Hours" this weekend
    From: Frank Reed
    Date: 2020 Nov 11, 12:21 -0800

    Sorry I had to skip Office Hours last weekend. This weekend, I will be hosting three sessions --not to make up for last weekend, but because I need them for my classes. Also note that all sessions occur at the same UT/GMT as before but that means an hour earlier by most zone time, including, especially, Eastern US time. You're all welcome to join if you have time. First session, is at 12:00 noon EST on Friday (1700 UT), second session at 6:00 pm EST on Friday (2300 UT). The Sunday session will be at 6:00pm EST (2300 UT).

    I have one 5-minute special topic this week which I will get to at some point in each session: a simple graphical method for working out refraction on common celestial sights.

    As usual, links to Webex sessions here: ReedNavigation.com/talk/.

    Frank Reed

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