Dwarf Planet Eris in Cetus

Please wait for all  3 animation frames  to load.  Eris is in the lower-right  quarter of the image  and moving further to the  lower-right.

These 3 images were taken about 24 hours apart.
Each image is a stack of 400 video frames. The 9 to 11 day old Moon was high in the sky at the time. The listed magnitude for Eris was 18.9 visual and 18.7 photographic. The video is pretty sensitive in the IR part of the spectrum so with Eris being fairly bright in the IR is why it shows up well through a bright sky. The distance to Eris is about 97 AU which is nearly 3 times more distant than Pluto.

Positions for images:
Date__(UT)__HR:MN   R.A._(ICRF/J2000.0)_DEC APmag
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2006-Oct-02 00:00 * 01 38 25.81  -05 17 21.1  18.72
2006-Oct-03 00:00 * 01 38 23.68  -05 17 33.7  18.72
2006-Oct-04 00:00 * 01 38 21.54  -05 17 46.3  18.71

Found this table on a paper on 2003 UB313 giving brightness and reflectance at each wavelength.

Another set of images,  this time taken in a dark sky.   Each frame of the animation  is a stack of 400 video frames.     Please wait for all 3 animation frames to load.     The 3rd frame was taken ahead of a weather front and the seeing was pretty bad.