Thread: Sunday Funday
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Old 08-23-2015, 11:34 AM   #4
Mr. NiceGuy
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Join Date: May 2015
Location: San Diego
Posts: 838
Quote:
Originally Posted by ctfphoto View Post
U guys r getting a late start
When is nautical twilight/BMNT for La Jolla Shores now?

There should be an app for that.



EDIT:

I asked Siri "When WAS nautical twilight in La Jolla?" and got an immediate crisp answer: 5:23am PDT; Sunday, August 23, 2015

Asking "When IS nautical twilight in La Jolla?" diverts to a list of other website blah-blah.


SHORTCUT: Nautical twilight is approximately one hour before sunrise (Sunrise was 6:17 am today in La Jolla).

Light refraction from city lights, moonlight, and moisture in the air can create these same navigable light conditions at an earlier time.


That makes 5am a good target time to be on the beach tightening things down with a flashlight and reviewing our checklist.


Personally, I find emerging light at twilight to be a magical and inspirational time to launch the day for any purpose

"Meeting in the parking lot at 5:30" .... then waiting for multiple people to scratch their heads and bounce around is a buzz-kill.

Especially if I'm the one slowing someone else down
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Last edited by Mr. NiceGuy; 08-23-2015 at 12:45 PM.
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