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Lunar Eclipse (Read 643 times)

AlienSpaceGuy

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Greetings from outer space

Posts: 254
Northpole
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Lunar Eclipse
Aug 16^th, 2008 at 6:17pm

Here some pics of todays lunar eclipse that I took near the maximum (21:10 UTC).

They are not very sharp because of the hazy sky, but it was much better than the last 10 lunar and solar eclipses that I "saw" through heavy clouds and rain.

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Technical data:
Camera - Canon PowerShot A95
ExposureTime - 0.25, 0.5 and 1 seconds (top to bottom)
ApertureValue - F 5.60
DigitalZoomRatio - 4 x

Smiley

AlienSpaceGuy believes only in scientifically sound methods.

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Melissa CH.com Moderator CH.com Alumnus Offline Don't give up! Posts: 7238 Central WI, USA Gender:	Re: Lunar Eclipse Reply #1 - Aug 17^th, 2008 at 8:49am Ueli, they're beautiful! Thank you for posting them.
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Kevin_M

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withered branches grow
green again.

Posts: 8754
Michigan, USA
Gender: male

Re: Lunar Eclipse
Reply #2 - Aug 17^th, 2008 at 10:24am

AlienSpaceGuy wrote on Aug 16^th, 2008 at 6:17pm:

Technical data:
Camera - Canon PowerShot A95
ExposureTime - 0.25, 0.5 and 1 seconds (top to bottom)
ApertureValue - F 5.60
DigitalZoomRatio - 4 x

Ueli,

From NASA's lunar eclipse site, this is a page from a guy that offers tips on photographing a lunar eclipse, if you are interested in some techniques for the next one.

Techniques are, the wide angle, star trail (with a chart for Field of View and Size of Moon's Image for Camera Focal Lengths), and multiple exposure (with a Lunar Eclipse Exposure Guide). The photos on the page have some specs.

Also telephoto photography with a Focal Length vs. Image Size depiction, and a triple play totality photo.

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« Last Edit: Aug 17^th, 2008 at 10:28am by Kevin_M »

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Rolomatic

Ex Member

Re: Lunar Eclipse
Reply #3 - Aug 17^th, 2008 at 11:52am

Did you know that a total lunar eclipse verifies Einstein’s energy equation?

Galileo first saw this phenomenon with his first telescope.

The gravity of the sun actually allows you to see stars that are directly behind it because the fabric of space is warped or in layman’s terms the gravity of the sun is strong enough to bend the light and cause a Doppler shift in the stars color spectrum.

I love astrophysics! Cool

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Kevin_M CH.com Sponsor Offline withered branches grow green again. Posts: 8754 Michigan, USA Gender:	Re: Lunar Eclipse Reply #4 - Aug 17^th, 2008 at 12:14pm Quote: Did you know that a total lunar eclipse verifies Einstein’s energy equation? That was a solar eclipse, testing general relativity.
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Jonny Ex Member	Re: Lunar Eclipse Reply #5 - Aug 17^th, 2008 at 12:32pm Cool pictures, U-Man!!
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