The Wenatchee World

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The latest extended forecast from The Weather Channel

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Air Stagnation Advisory issued February 09 at 1:46PM PST until February 13 at 10:00AM PST by NWS

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY... * AIR QUALITY...LIGHT EAST WINDS AND A TEMPERATURE INVERSION WILL HEIGHTEN THE POTENTIAL FOR ELEVATED POLLUTION LEVELS IN CENTRAL WASHINGTON AND NORTHEAST WASHINGTON TONIGHT THROUGH SATURDAY MORNING. WEAK WEATHER DISTURBANCES WILL PASS THROUGH

Overnight

Lo28° Partly Cloudy

Wednesday

Hi40° Patchy Fog then Mostly Cloudy

Wednesday Night

Lo33° Mostly Cloudy then Slight Chance Rain

Thursday

Hi40° Chance Rain

Thursday Night

Lo34° Chance Rain

Friday

Hi44° Chance Rain

Friday Night

Lo35° Chance Rain

Saturday

Hi46° Mostly Sunny

Saturday Night

Lo34° Slight Chance Rain

Sunday

Hi45° Slight Chance Rain

Timing..Timing...Timing

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Timing. I can't stress this enough. Taking a picture of a dart puncturing a water balloon is all about timing. Two things are clear right away. You need a really dark room and you're going to spill water.

I used a clamp to hold the water balloon and then I set up a laser trigger on my flash. The laser trigger is called a Nero Trigger, it's a device that fires your camera or flash using light or sound. I also used a store bought laser pointer to set up the beam.

Getting the water balloon very close to the light beam and then throwing a dart in dark room is how you do it. Not always successful.

I used an fstop of 5.6. ISO 200. Exposure 3 seconds. Once the laser beam is broken it triggers the flash. What's nice about the Nero trigger you can dial in a delay after the laser beam is broken. The dart hitting the balloon was 1 millisecond after the beam was broken. I used settings of 3 to 15 milliseconds on other photos. 

Water Balloon Dart
Using the flash unit to capture a water balloon and a dart impact
First successful attempt
Water balloon photos using flash
Longest delay
Flash fires after 15 milliseconds