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These are images of Eris or "Planet 10" a.k.a. 2003 UB313.
They were acquired from my home observatory on September 25th and 28th and October 1st 2005 using an SXV-H9 CCD camera
on a Vixen R200SS 8" f/4 Newtonian reflector, equipped with a Paracorr.
Note that this object is exceedingly faint, at about 19th magnitude. It is smaller than Earth's Moon, and is 97 A.U. (about 9 billion miles) away.
It takes 557 years to complete one orbit around the Sun.
The images taken on 2005-09-28 and 2005-10-01 each represent an hour of total exposure time, consisting of 8 eight-minute exposures stacked to increase the signal-to-noise ratio.
All processing was performed using AIP4Win V2.
Clicking on some of the images will display a larger view.
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2003 UB313 a.k.a Eris, acquired on 2005-09-25.
This image is a stack of 5 eight minute exposures using an SXV-H9 CCD camera
on a Vixen R200SS 8" f/4 Newtonian reflector, equipped with a Paracorr.
The CCD camera was binned 2x2 in an effort to increase its sensitivity.
The image was taken as the 3rd quarter moon was rising, just before the clouds rolled in.
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2003 UB313 a.k.a Eris, acquired on 2005-09-28.
This image of 2003 UB313 is a stack of 8 eight minute exposures using an SXV-H9 CCD camera
on a Vixen R200SS 8" f/4 Newtonian reflector, equipped with a Paracorr.
This image has been resampled down from its full size of 1396x1040.
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2003 UB313 a.k.a Eris, acquired on 2005-10-01.
This image of 2003 UB313 is a stack of 8 eight minute exposures using an SXV-H9 CCD camera
on a Vixen R200SS 8" f/4 Newtonian reflector, equipped with a Paracorr.
This image has been resampled down from its full size of 1396x1040.
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