More Celebrity Pict: sky

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Tuesday, August 30, 2011

Tempest Milky Way Timelapse Video

Another amazing timelapse video, this time featuring good storms with stars shots.

Tempest Milky Way timelapse was shot in central South Dakota from June-August.

Photography and editing by Randy Halverson
Music by Simon Wilkinson

Sunday, June 5, 2011

The Mountain (Timelapse Video)

"This was filmed between 4th and 11th April 2011. I had the pleasure of visiting El Teide. Spain´s highest mountain @(3718m) is one of the best places in the world to photograph the stars and is also the location of Teide Observatories, considered to be one of the world´s best observatories.

The goal was to capture the beautiful Milky Way galaxy along with one of the most amazing mountains I know El Teide. I have to say this was one of the most exhausting trips I have done. There was a lot of hiking at high altitudes and probably less than 10 hours of sleep in total for the whole week. Having been here 10-11 times before I had a long list of must-see locations I wanted to capture for this movie, but I am still not 100% used to carrying around so much gear required for time-lapse movies.

A large sandstorm hit the Sahara Desert on the 9th April (bit.ly/g3tsDW) and at approx 3am in the night the sandstorm hit me, making it nearly impossible to see the sky with my own eyes.

Interestingly enough my camera was set for a 5 hour sequence of the milky way during this time and I was sure my whole scene was ruined. To my surprise, my camera had managed to capture the sandstorm which was backlit by Grand Canary Island making it look like golden clouds. The Milky Way was shining through the clouds, making the stars sparkle in an interesting way."

via TSO Photography, on vimeo

Thursday, April 7, 2011

The Sky In Motion

To a first approximation, most of the objects on the sky appear to move as if they were all fixed to the inside of a gigantic sphere with the Earth at its centre (the aptly named "celestial sphere").
That (apparent) movement is the result of the (very real) movement of the Earth in relation to the rest of the universe.

Photography by Oleg Zhukov

As we all know, the Earth rotates around its axis, towards the east, once every approximately 24 hours. The result of this movement is that the objects we see on the sky will seem to rise from the eastern horizon, move across the sky and set on the western horizon some time later. This apparent movement is actually an "orbit" around the celestial poles, parallel to the celestial equator, and this has some interesting effects.
The first is that the actual path of an object across the sky will depend on your local latitude.
The second effect is that, if the declination of a star is larger than 90° minus your local latitude, that star will never set.
There is, of course, the opposite case: from any location but the equator, some stars will be permanently below the horizon.