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Stephen Sekula (steve@chirp.cooleysekula.net)'s status on Sunday, 18-Nov-2018 17:31:44 UTC Stephen Sekula From NASASun https://twitter.com/NASASun on Twitter: It's #SunDay! Our Solar Dynamics Observatory satellite saw the Moon pass in front of its view of the Sun on Nov. 7. Such transits can help scientists calibrate SDO's instruments for better images: https://t.co/vZxvqMZWiU https://twitter.com/NASASun/status/1064188482086678528/video/1 https://chirp.cooleysekula.net/attachment/52870