A sundial that only tells time during an eclipse? Back in 2012 Bill Gottesman designed a peculiar dial to tell time by observing the angle between the cusps of the sun during the May 2012 eclipse. Bill Gottesman is back at it with a more sophisticated version assisted by programmer Dan Axtell. This time Bill and Dan give you an animated version of the cusp line, as well as detailed information of the line angle during the eclipse.
This is for anywhere in North America that can see the partial or total eclipse. Just enter your latitude and longitude and let the software create you a personal solar eclipse sundial. PLEASE DO NOT OBSERVE THE SUN DIRECTLY WITHOUT AN APPROVED SOLAR FILTER... OR, MAKE A SIMPLE PINHOLE CAMERA FROM A CARDBOARD BOX.
To make your solar eclipse sundial, go to www.eclipsesundial.com
Nearly 100 years ago on Dec. 3, 1918 the state of Illinois through the generosity of Mr. and Mrs Clarence Griggs provided a horizontal sundial to the Ottawa Boat Club "so that future generations may know that on this spot once stood Abraham Lincoln performing his duty as a soldier and patriot". His journey north occuring in 1832 when he visited Ottawa as a volunteer soldier in the Black Hawk War.
Now the Ottawa Historic Preservation Commission would like to refurbish the memorial in time for next year’s Illinois bicentennial. In the photo from www.mytimes.com taken several years ago, the dial had been generally neglected and the gnomon gone missing. Now the entire dial is missing. The historical commission is hoping the brass dial plate will be returned, preferable to City Planner Tami Huftel at the Ottawa City Hall. It will be accepted with no questions asked. Huftel can be called at 815-433-0161, ext. 240.
The North American Sundial Society will meet in St. Louis for their annual meeting and to observe the Great American Solar Eclipse on August 21, 2017. Cities and towns across the US are planning events and raising awareness of both the beauty and hazards of the solar eclipse. For the last two years St. Louis groups have delivered more than 100 programs to area schools, libraries, cities, parks and businesses to raise awareness of this historic event which has not happened in St. Louis since the year 1442.
Remember, except for the minute or two of totality, looking directly at the sun will do serious eye damage. Use sun-safe eyeglasses (certified safe for solar viewing) available from many source (see links below or Amazon, etc.). Read about the Great American Eclipse coming near you:
St. Louis, IL: http://stlouiseclipse2017.org/
Other Cities: http://www.eclipse2017.org/2017/in_the_path.htm
The 2017 August 21st solar eclipse will be commemorated by the US Postal Service with a unique thermochromic ink Forever Stamps: the stamp shows the total Eclipse of the Sun with its corona blocked by a black disk of the moon. However, using the body heat of your thumb or fingers the eclipse image will reveal an underlying image of the moon. The image reverts back to the eclipse once it cools. Fred Espenak, "Mr. Eclipse" a retired NASA astrophysicist, took the photograph of both the eclipse (from Jalu, Libya on March 29, 2006) and the full moon.
The USPS states that June 20, 1:30 p.m. MT will be theFirst-Day-of-Issue ceremony, taking place at the Art Museum of the University of Wyoming (UW) in Laramie. The University is celebrating the summer solstice on June 20. Prior to the stamp issuance, visitors are encouraged to arrive at UW's Art Museum's Rotunda at 11:30 a.m. to witness a unique architectural feature at noon when a single beam of sunlight shines from down on a silver dollar embedded in the floor, marking noon on the summer solstice,
The Total Eclipse of the Sun Forever Stamps may be pre-ordered at usps.com/shop in early June for delivery following the June 20 nationwide issuance. The back of the stamp pane provides a map of the eclipse path and times it appears at cities across the US.
A memorial, the Arc of Memory, will be completed in 2018 on the west side of the Garden of Provinces and Territories in Ottawa. The design by Paul Raff's Sutdio is a "living calendar". Raff described the memorial as a way to “honour the 8 million Canadians that can trace their origins to countries that suffered oppressive regimes of communism by creating an instrument of memory.” In essence Raff is designing a huge digital sundial (or as he calls it, a "three dimensional calendar"). According to Erin Dommely of Azure Magazine, the memorial is constructed of two curving walls 4 x 21 meters containing 4,000 short bronze rods arranged in 12 dense rows across a series of 365 stainless steel fins. Erin describes the Arc of Memory's principle of having each rod uniquely angled towards the sun, whereby each hour of the day is illuminated each day of the year.
The two walls are split at the winter solstice and "On the darkest day of the year the design would invite visitors to step through in a metaphorical journey from darkness and oppression to lightness and liberty.”
Cranmer Park and the Erickson Equatorial Sundial are now scheduled for rennovation. The original Erickson dial was installed in 1941. Cranmer wrote in 1950 that "the sundial is only seventeen seconds of time East of the 105th Meridian on which Mountain Time is based, and since the whole setting is so accurate, one can set his watch by it." But in 1965 vandals blew the dial apart with dynamite. The community rallied, and by 1966 the Erickson company made and installed a copy of the original dial
But climate and a sinking foundation led to the deteriation of the dial and surrounding terrazzo plaza. Back in June, 2014 The City of Denver generously committed $545,000 to the restoration of the Cranmer sundial and plaza through the Parks and Recreation and the Arts and Venues departments with the proviso that citizens raise another million dollars.
A group called "Save Our Sundial" began fundraising and an article of support appeared on this North American Sundial Society website. To date the article has over 3500 views. More important, the “Save Our Sundial” project, has now raised $680,000. According to Andrew Kenny of the Denverite, "One major donor, the Harmes C. Fishback Foundation Trust, is led by a descendant of Mayor Benjamin Stapleton, whose administration built much of the park." The City Council has now increased its committment to $870,000.
The Denverite quotes Mark Tabor, assistant director for planning that "The city will have to put the contract before Denver City Council and hopes to start construction this year, with a likely 6 to 8 month construction process." And from Denise Sanderson, a local advocate and organizer for the park restoration, "So, what we’re doing is we’re reconstruction the whole thing – taking it down to the ground, building a foundation and building a drainage system," including repair of the chipped sundial and restoration of the inlaid terrazzo depiction of the Rocky Mountains landscape.
Read more at the Denverite: https://www.denverite.com/looks-like-cranmer-park-sundial-will-saved-33833/
Back in February of 2017 the longstanding timepiece on Railway Street in Chatham was removed as part of Medway Council's plan to de-clutter the business district. The dial was installed on October 21, 1994 to commemorate Admiral Lord Nelson, who in 1805 achieved victory at the Battle of Trafalgar on a Chatham built ship. According to Lynn Cox (http://www.kentonline.co.uk/medway/news/sundial-supporters-want-it-put-123963/) at Kent Online, "Medway Council says the sundial is intact and in storage while its new location is decided....A council spokesman said: 'The sundial has been removed as part of our Chatham Place-Making works which involves de-cluttering the area and creating open spaces for pedestrians.' " In another article by Kent Online, "A Medway Council spokesman said: 'This is all part of the Chatham placemaking project to improve the public realm and open up the route from the railway station through New Cut, St John's Square and Railway St and Military Road, down to the bus station.' "
It is not clear why the removal of the sundial, a visible attraction high above pedesterian traffic on the south wall of Wetherspoon's Thomas Waghorn pub degrades open space and impedes pedestrian traffic. Does the Council consider this memorial mere clutter and a blank wall more esthetic? Or perhaps looking at the sundial for the time is more wasteful than looking at one's smart phone. Perhaps removing the pub sign or eliminating the overhanging street lights would be more appropriate to clearing Railway Street of clutter. It appears that the Council has followed Johanathan Swift with a modest proposal to remove the Lord Nelson memorial sundial.
Mr. Chrisopher Daniel, designer of the vertical declining gnomonic sundial points out that unless the dial is realigned slightly off south using the declination of the pub's wall, the dial will no longer keep accurate time nor point to the date of the Battle of Trafalgar. Lynn Coxof Kent Online records Mr. Daniel saying, “Frankly, it totally beggars belief that such an historic and fully recorded and registered heritage asset as this can apparently be summarily dismantled and, this done without any researched consideration as to how and where it might be relocated and more importantly, how it might be repositioned so that it operates exactly as before. Sundials of this accuracy are scientific instruments which have been designed solely and uniquely for the exact latitude and longitude of the location of the dial plate and also for that plate’s accurate azimuth and elevation.”
We implore the Medway Council to restore the sundial that has accurately told time and date for 23 years.
Sad note: A recent check of Google shows that the dial was removed in early 2016 and the lot that supported garden education is now a housing complex.
In a small park at the intersection of Morningside Dr SE and Silver Ave SE in Alburquerque, NM. is a unique horizontal sundial designed for the Nob Hill Main Street program, where the 10-foot diameter sundial anchors the southeast corner of the Nob Hill Community Garden. Created several years ago by Mike Heighway and Mira Rose, Mike explains, "The purpose of the Nob Hill Sundial is to act as an interactive gardener’s guide. It works on an annual cycle by casting a shadow from a large center piece (the gnomon) onto a concrete plate with embedded steel [diurnal] bands and porcelain tiles that describe that month’s gardening activities."
The sundial acts as an educational tool for gardeners to show what to plant throughout the year, and when to harvest. Instructions are on porcelain tiles. There are a total of 17 tiles — one tile for each month of the year, one winter solstice tile, one summer solstice tile, one tile for both equinoxes, a centering tile (the tile which dictates the very center of the design), and a "hero" tile in the shape of a historic U.S. highway sign with information about contributors to the project. Most prominent is the acknowledgement of the Garden Design by Robert Strell and Grant Funding from the New Mexico Centennial Foundation.
Read more at http://www.mikeheighway.com/projects/nhsd.html