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We Are Your Solar Eclipse Mobile App Specialists
Based On The Experience With Observing 3 Eclipses - We Have You Covered
Apps For: First Time Observers; Expert Eclipse Chasers; Professional Photographers; Teachers; Families; Children
Tap on an App to go to the Store
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Solar Eclipse Timer

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Solar EclipseTimer
GPS Converter

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Eclipse USA
Quiz Game

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Solar Eclipse
Totality Observer

Solar Eclipse Timer:  The Most User Friendly Eclipse Timing App Available. Get To The Path and It's 2 Tap Setup. But also sophisticated enough for expert eclipse chasers. Auto geolocation; Auto Contact Time Calculation; Auto Duration Calculation; Max Eclipse Mark; Spoken Phenomena Reminders; Spoken Countdowns; Partial Phase Image Sequence Calculator: Built-in Totality Video.

GPS Converter:  This app was developed for an emergency situation.  What if your position on the  path has no cellular service, or cell service goes down on eclipse day and your mobile device is not properly receiving native GPS satellite signals?  This free app takes DMS format GPS values, like from your car's GPS, and converts it into the decimal format for use in Solar Eclipse Timer.

Eclipse USA Quiz Game:  The only mobile eclipse education game released for 2017. Two quizzes are free; Solar Fun Quiz 1 has 50 basic eclipse questions and Eclipse USA Quiz has 25 questions about the path across the USA.  In-app upgrades include a more difficult eclipse quiz, Eclipse Pro Quiz 2 and also combination quizzes including separate quizzes dedicated to the 12 states in the path.

Totality Observer:  For children and for fun, an arcade game to start their interest in eclipses. The theme; your child is an eclipse tour guide, he or she must move the clouds to get the guest's eyeballs to totality!

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Solar Eclipse Timer

Simply The BEST Eclipse Timing App Available - Easy For the Novice - Perfect For The Pro

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 Available On iTunes!

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Main Timer: Main timer interface displays 4 contact times, Max Eclipse Time, and has a countdown timer for totality.
GPS Data: Geolocation to automatically find coordinates and calculate contact times. Tap one button to enter them into the timers.
Settings: Two demo programs that load contact times for your practices sessions. One has a built-in totality video.
Totality Video: Totality practice demo plays a real totality video synchronized with the timer functions.
Partial Phase Sequence: Incredible Feature!  Based on your contact times automatically calculates the interval times you should use take 10 equally spaced partial phase pictures before an after totality to create a beautiful sequence.
Complete Help File: Extensive help file built in to the app. Setup reminders, instructions, partial phase phenomena education all combined with the app
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1st Time Eclipse Observers
Super Simple - Get To The Path and
TAP TWICE

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Astronomers Seeing Their 1st Eclipse
The App Is Designed To Enable You To
Practice Every Aspect Of Eclipse Chasing

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The video below is a screenshot video of Solar Eclipse Timer playing its "built-in" Totality Practice Times Demo Program.  This type of practice feature is unique to this app!.  It's one of my eclipse totality videos edited to be synchronized to the announcements of Solar Eclipse Timer!  This demo program allows you to practice your eclipse photography plan for the period around totality over and over again while hearing the excitement of a real eclipse!

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Click Play Below To Play An Example Of A Partial Phase Phenomena Announcement

Click Play Below To Play An Example Of Totality Announcement

One Of the New Features I Am Most Excited About Is The Partial Phase Interval Sequence Calculator

This will help first time eclipse chasers understand how to create beautiful composites.  Mine are below.
In addition, if you are on the run, trying to find clear skies, when you stop at your observing spot, this calculator instantly calculates the new interval times based on you new contact times.

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Click Here To Go To The Partial Phase Worksheet Page
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Solar Eclipse Timer GPS Converter

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The map above has the T-Mobile cell service map laid over the totality path map.  You see there are many areas with limited or no cell service. Pink has service, gray does not.  Out West the strongest coverage follows the main roads.  Most cellular providers are going to have coverage very close to this.  If you are relying on a navigation app that requires cellular service and/or internet service you may not have data, therefore, not have locating ability in the gray areas.  The example data in the screenshot above is in a flat area about 35 miles East of Casper, Wyoming and about 10 miles North of Route 25, (just East of Rolling Hills).  There is poor cellular service here since the coverage basically follows Route 25 for a distance of about 10 to 15 miles to each side of the road.

Geolocation systems in smart phones and cellular enabled iPads use a number of complex methods to find your location in addition to using GPS satellites. It is a mixture of Wi-Fi, Assisted GPS, Digital Compass and Cellular information. The goal is to provide the most accurate geolocation information as quickly as possible. Most methods will require the use of cellular triangulation for rapid geolocation. Most likely, you have never been in a location where your smart phone used GPS satellite signals exclusively to geolocate.  Smart phones should be able to use native GPS signals but it unclear how and where this can be tested before eclipse day.

Furthermore, there is going to be a tremendous load of cellular usage on eclipse day and networks could get overloaded, be intermittent or go down.  You have to think about an alternate method to geolocate on the day of the eclipse.  That emergency method could be your car's navigation system, but you may get presented with data in the decimal, minute and second format.  This companion app to Solar Eclipse TimerTM is a simple format converter that I am pleased to provide as a free download for this rare, but possible scenario.

Luckily the Solar Eclipse Timer app DOES NOT require cell service to work. ALL of the calculations for contact times are done IN THE APP.  The only think you need are your GPS coordinates in decimal format and you can calculate your contact times.  Whatever way you can get your coordinates, your phone based on cellular geolocation, GPS satellites from your phone, a GPS handheld device, GPS in your car, path maps; you just have to get those values into the  app in decimal format and you are set!  Solar Eclipse Timer does not require an internet connection to work!

Click Here To See Maps Of Testing The App On The Southern Edge Of The Path Of Totality
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Two iOS Companion Apps For Education and Fun!

To Make This Eclipse Fun For The Entire Family, Check Out What Else We Have

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Educational and Fun
Eclipse USA Quiz Game and Totality Observer
(Free Games, No Ads)

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Eclipse USA Quiz Game:  This is a FREE download that comes with 2 quiz games. It has an eclipse quiz game with 50 basic questions called Solar Fun Quiz 1. The second free game is Eclipse USA Quiz which has 25 questions about the path of the total eclipse crossing the country. I guarantee you, if students learn what is presented in these two games they will know more about this eclipse than 90% of the other students in the country! Then there are some optional in app upgrades, Solar Pro Quiz 2 which has 60 more advanced questions about eclipses. This would be perfect for older students and teachers. There are always to have combination quizzes, Totality which combines all of the 135 questions into one quiz game. I also authored, 12 separate quiz games, one for each of the states in the path of totality, which takes the main 135 questions and adds 20 trivia questions specific to that state in its special quiz.

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Totality Observer:  This is a FREE game just for fun, for the younger children who like to play games on devices. But I developed this game to get them interested in the eclipse! The theme of the game is this: The child is an eclipse tour guide and his/her job is to make sure all the guests see totality. So they must move the clouds out of the way and allow the guest's eyeballs to get to the total eclipse!

Click Here For More Information About The Fun Games
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The History Of Solar Eclipse Timer, The "Talking Timer" Software

A Lot Has Changed In 15 Years

The first version of our software was written to run on Windows 98 and the mobile Windows operating system called Windows Pocket PC found on the Personal Digital Assistants (PDA's) at the time. The popular PDA at the time was the Compaq iPAQ Pocket PC. It had a total of 64 megabytes of memory and ran on a processor called ARM SA1110. This was a number of years before smart phones. However, the next logical step was to blend the functionality of PDA's with the ability to make phone calls. Early smart phones were released by a number of companies around 2002. The first iPhone wasn't released until June of 2007. During the early years of releasing various model smart phones, the internal processors and the operating systems were so varied it would have been impossible to update our software to run on such a multitude of devices. Now that the market has coalesced around the Apple and Android format smart phones it is time to re-release our software just in time for The Great America Total Solar Eclipse.

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Microsoft Pocket PC Operating System
64 Megabytes TOTAL Memory

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iPAQ Docking/Charging Station
COM 1 Serial Connection

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Compaq iPAQ Pocket PC
Circa 2001 - Series 3700

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Original Pocket PC
Eclipse Timer Inteface (2002)

In June of 2001 we traveled to Zambia, Africa to witness our first Total Eclipse of the Sun. Wow! A Total Solar Eclipse is a spectacular experience, believe me! We spent many hours studying solar eclipses and preparing to do photography prior to our first solar eclipse. When we returned to the states I realized that a software program that helped people time the events of a solar eclipse would be very useful. We then conceived, designed and developed the first solar eclipse "talking timer".

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Chromosphere - 1000mm Lens 1/500 s Exposure
Zambia, Africa 6/21/2001

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Inner Corona - 1000mm Lens 1/60 s Exposure
Zambia, Africa 6/21/2001

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Full Corona - 1000mm Lens 1.2 s Exposure
Zambia, Africa 6/21/2001

Video Of The Total Solar Eclipse Zambia, Africa.  Listen To The Crickets During Totality!

In December of 2002 when we returned to Africa, this time in Zimbabwe, to witness our second Total Solar Eclipse.  Our newly developed solar eclipse talking timer software program assisted the entire group of eclipse chasers that were with us.  The program worked great, just as designed!  It was so helpful and so much fun to hear the announcements of the important events in a Total Solar Eclipse!  It was at this eclipse that we saw the rare phenomenon of shadow bands (more on that later).

Additionally, for the December 2002 eclipse, the editor of Sky and Telescope Magazine, Richard Fienberg used our talking timer software to help him guide the eclipse chasers that were on the Sky and Telescope solar eclipse tour.  And Sky and Telescope Magazine featured our software as one of the "Hot New Products For 2003."

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Cresecent 2 Minutes Before Totality
Zimbabwe, Africa 12/4/2002

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Inner Corona and Chromosphere
Zimbabwe, Africa 12/4/2002

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Cresecent 2 After  Before Totality
Zimbabwe, Africa 12/4/2002

Video Of The Total Solar Eclipse, Zimbabwe, Africa

In 2006 we witnessed our 3rd Total Solar Eclipse. This time we moved into the path of totality on the Mediterranean Sea while sailing on a cruise ship. Since we were on a moving ship for this Total Solar Eclipse we chose to document it mainly with video and enjoy more of the eclipse with our eyes.

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Diamond Ring/Baily's Beads
Mediterranean Sea,  3/29/2006

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Totality
Mediterranean Sea, 3/29/2006

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3rd Contact
Mediterranean Sea, 3/29/2006

Video Of The Total Solar Eclipse On The Mediterranean Sea

Watch It Get Dark During A Total Solar Eclipse!
Totality Is Not Pitch Black As It Appears To Be In This Video
I Had The Video Camera Set So It Would Not Increase The Exposure As The Light Dimmed.  I Wanted To Document The Dimming Of the Light.

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Partial Phase Phenomena

Interesting Things Can Be Observed Between 1st and 2nd Contact

Observing a Total Solar Eclipse Is a social event!  You will most likely be in a open area, like a field or parking lot with dozens or hundreds of other people!  Its fun and exciting and everyone is anticipating the main event, totality.  You can hear the excitement in my videos above!  Most people only casually observe the progress of the partial phases after they visualize 1st Contact.  People will be milling around and there will be a lot of chatter.  Many eclipse observers never have the opportunity to actually study the partial phase phenomena, so they miss it.  You will NOT miss it, because this app announces the reminders!  Solar Eclipse Timer provides two important benefits/functions.  1.  It will educate people about these phenomena.  2.  It will remind you to observe for them.  This is the huge benefit of a "talking timer" for solar eclipses!

Temperature:  As the Moon blocks the light of the Sun there is an gradual, measurable decrease in the temperature!  I measured this change in Zimbabwe, Africa with a scientific temperature recorder.  Solar Eclipse Timer will announce reminders to feel for the temperature change 3 times as the partial phases progress.

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Temperature Data From A Field In Beitbridge, Zimbabwe, Africa.  December 4, 2002
Totality Duration 1m 22s
Data by GMT

Lighting:  As the partial phase becomes deeper and deeper the light from the Sun is blocked enough that it begins to affect the amount of light hitting the Earth. Not only does it slowly get darker, the color and the character of the light is different.  The entire area gets a perception of you looking through a very faint gray filter.  As the Sun crescent gets deeper, the light from the Sun is not as diffuse, so shadows begin to have a sharper edge to them.  Solar Eclipse Timer will remind you to observe for these effects at 10 minutes before totality.

Animals:  Animals think nighttime is arriving and they begin to behave as such. Birds will roost, grazing animals with stop feeding and crickets will start chirping. In Zambia, Africa in 2001 we observed the eclipse in a large field with dense overgrowth of vegetation at the borders of the field. We could hear the crickets as they began to be fooled by the decrease in light. Solar Eclipse Timer will make an announcement at 8 minutes before totality to remind you to observe for animal behavior changes.

Shadowbands:  At 3 minutes before totality there is a warning to observe for shadowbands and what is meant is to “start” to look for shadowbands.  They will probably occur closer to totality when the crescent Sun is thinner.  Shadowbands are caused by the narrow slit of sunlight rays from the thin crescent of the Sun being bent as the light passes through warmer and cooler cells of air in the atmosphere.  Shadowbands are faint “bands of shadows” or undulations of light that can be see on the ground.  The appearance is difficult to describe because they have a complex shape and a complex motion and could vary a little with each total solar eclipse.  We saw them clearly for about 15 to 20 seconds in Zimbabwe, Africa.

At 30 seconds after 3rd Contact there is another announcement to remind you to observe for shadowbands.

Here is the best way I can describe them:  They had a serpentine shape like a continuous snake.  They were side by side about 12 inches apart covering the entire ground around us.  They had a continuous motion that moved away from us but also in a left to right direction. The phenomena did not last long.  It was really cool!!

Contact Email  foxwoodastronomy@gmail.com

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Instructional Videos To Help You Prepare For The 2017 USA Eclipse

Copyright 2002 - 2017 Solar Eclipse Timer.  All Rights Reserved.

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