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Cheers, Ralph
Tuesday, May 10, 2016
Saturday, March 19, 2016
How quickly does the Sun move?
Did you know...
1) ...the sun's altitude changes most rapidly during early morning and late afternoon hours.
For Toronto...
...typically about 1 degree per hour around noon
...up to about 11 degrees per hour early and late in the day
...the rate of change is greater in summer than winter.
2) ...the sun's direction changes most rapidly around noon.
For Toronto...
...typically about 10 degrees per hour early and late in the day
...up to about 38 degrees per hour at noon on June 21
...the rate of change is much greater in summer than winter.
Cheers, Ralph
Cheers, Ralph
Friday, March 18, 2016
Sun Location at Spring Equinox 2016
Did you ever wonder where the sun will be at the moment of an Equinox?
The sun will be over central Indonesia at the moment of the Equinox on Mar 20, 2016, at 4:30 UT (12:30 AM EDT).
image by Ralph Bouwmeester
Google image annotated by Ralph Bouwmeester
Cheers, Ralph
Friday, February 5, 2016
Torontohenge 2016
Torontohenge is the name given for the phenomenon that occurs when the sun rises or sets in line with Toronto's major east-west streets downtown, giving photographers a great opportunity to capture the sun as it perches on the horizon between the canyon walls of buildings on either side of the street.
Although Torontohenge technically falls on the dates given below for 2016, great photos can be taken for about a week before the August and October dates and a week after the February and April dates as the sun hovers directly above the street. Not great for driving, but quite a sight just the same.
The Torontohenge dates for 2016 are:
Cheers, Ralph
Photo: By Sevtibidou (Own work) [CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
Although Torontohenge technically falls on the dates given below for 2016, great photos can be taken for about a week before the August and October dates and a week after the February and April dates as the sun hovers directly above the street. Not great for driving, but quite a sight just the same.
The Torontohenge dates for 2016 are:
| February 16 | Sunset - 5:48 PM |
| April 19 | Sunrise - 6:27 AM |
| August 23 | Sunrise - 6:32 AM |
| October 25 | Sunset - 6:18 PM |
Cheers, Ralph