Astronomy Picture of the Day



Eclipsing the Rings

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#99162 by @ 17.03.2007 00:00 - nach oben -
Eclipsing the Rings


Explanation:

The March 3rd
total
lunar eclipse
was widely viewed by denizens
of planet Earth.

But only a day before, well placed observers could
also watch
a lunar occultation of Saturn as the planet passed behind the
nearly Full Moon.

From Selsey, UK, astronomer Pete Lawrence actually saw
Saturn graze the lunar limb, the Moon's bright surface
dramatically eclipsing
a substantial part of the gas giant's
spectacular rings.

In this summary view of the
grazing
occultation
, south is up and
Saturn's position is shown every 90 seconds in a composite of images
constructed from video frames.

The frames were all recorded near the
occultation
event
, then combined and adjusted to compensate for the
large difference in brightness between Saturn and
the lunar surface.




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