PostHeaderIcon September 22 Fall Equinox Sunset Watch — 2016

It’s time for the 30th seasonal sunset watch!

  • When: Thursday, September 22 at 6:55pm (so come at 6:35pm)
    • Actual sunset is supposed to be at 7:06pm, but we have noticed that the Sun sets about 10 minutes earlier than the USNO says, because of the horizon altitude.
    • The equinox moment is Thursday, September 22nd at 7:21am
  • Where: Solstice Park – all the way up the hill from the tennis courts (or, if you’re not in Seattle, wherever you have a view of the western horizon!)
  • Who: Everyone welcome, as usual. (Please do leash your dogs as we usually have a good number of people, kids, and other dogs around.)
Parent and Child at Sunset by Kazuhiko Teramoto

Parent and Child at Sunset by Kazuhiko Teramoto, skyseeker

Come watch the sunset at Solstice Park in West Seattle. I’ll be there even if it is cloudy because sometimes the Sun peeks through just as it begins to set, but if it is driving rain or a thunderstorm I’m staying home with some tea!

If you’re interested – here’s the timing of various celestial events  from Seattle, courtesy of the U.S. Naval Observatory Astronomical Applications Department:

Sun and Moon Data for One Day

Equinox Moment: Thursday September 22, 2016 at 7:21:00 AM
Universal Time: Sept 22 14 21

Sun and Moon Data for One Day

Thursday, September 22, 2016 Pacific Daylight Time
Begin civil twilight 6:26 a.m.
Sunrise 6:57 a.m.
Sun transit 1:02 p.m.
Sunset 7:06 p.m.
End civil twilight 7:36 p.m.
Moonrise 10:39 p.m. on preceding day
Moon transit 6:15 a.m.
Moonset 1:55 p.m.
Moonrise 11:30 p.m.
Closest Primary Moon Phase: Last Quarter on September 23, 2016 at 2:56 a.m. (local daylight time)

Phase of the Moon on September 22, 2016: Waning Gibbous with 57% of the Moon’s visible disk illuminated.

This event is my part of the NASA’s Solar System Ambassador program, and thanks to West Seattle Blog for publicizing all of them!

Everyone is welcome, see you there!

~ A l i c e !

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