New Updates! 9th
3UCAC 064456146 (11m6) by (50000) Quaoar on 2012 April 17 for
the Atlantic Ocean,
Africa and Near East. Probably also southern Europe
An occultation by
(50000) Quaoar of a 11m6 star can be observed in the morning of
the 17th of April 2012 at approx. 2h 10min UTC.
The occultation is
very well in reach of many video and digital camera systems
attached to telescopes as small as 8 inch. We urgently ask
everybody, to take part in the international campaign for
The goal is to
determine the diameter of Quaoar and find out, if the TNO has an
atmosphere. Therefore, not only the determination of the exact
time point of dis- and reappearance is necessary, but also the
exact determination of the lightcurve during dis- and reappearance
of the star behind the disk of Quaoar.
On this site, more
infos will be posted, to give you informations about how to
Satellite of (50000) Quaoar will occultat the star about 15
minutes AFTER the main body.
Have a look at the following graph:
Timeline of observations:
As written on Felipe's webpage, nothing has to be
The observations should be performed from 02:05UT to
02:25UT for Quaoar, and from 02:23UT to 02:38UT for Weywot,
whatever you are.
So the best is a big sequence of observation, from
2:05UT to 02:38UT.