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Lunar rainbow astrophotography in Yosemite Valley

Spring in Yosemite National Park

Spring is one of my favorite seasons in Yosemite: redbud and dogwood trees blooming, the waterfalls roaring at maximum flow, rainbows and “moonbows” (night rainbows)… Read More »Spring in Yosemite National Park

How to Spot Comet PANSTARRS in March

Based on global reports from Saturday, March 9, it seems that no one is reporting success yet seeing the comet from the Northern Hemisphere. One… Read More »How to Spot Comet PANSTARRS in March

Standard Mill and Milky Way reflecting in a spring pond

How To Capture Milky Way Images

Milky Way, originally uploaded by Jeffrey Sullivan. Many digital cameras these days can do surprisingly well at capturing images at night. Their sensors are more… Read More »How To Capture Milky Way Images

How To Create Star Trail Images

Yosemite Star Trail Reflection, originally uploaded by Jeffrey Sullivan. With today’s digital cameras it is surprisingly easy to create star trails photographs. At the highest… Read More »How To Create Star Trail Images

Cut Light for Long Daylight Exposures

Garrapata Dawn light, originally uploaded by Jeff Sullivan. We’ve all seen those nice one or two second exposures which make waterfalls look silky. Select your… Read More »Cut Light for Long Daylight Exposures