I've added an ephemeris for the three new "planets" announced a few
days ago, to the Files section. The file is named newplanets.dat
To use this in Cartes du Ciel,
--> hopefully you're not using the huge astorb.dat file (for every
asteroid known to God or man, nearly 300,000 objects) already; this
will write over it. If so, and if you need/want to keep the existing
astorb file, just use a text editor to append these three objects to
your existing astorb.dat or temporarily rename it.
1. rename the downloaded new planets file to astorb.dat
2. copy it to the folder ...\Ciel\cat\planet
3. in Cartes du Ciel,
a. click on "catalog and objects parameters" in the left margin;
b. click on "asteroids" tab at top;
c. under "source," select "astorb" and hit "refresh"
d. the three object names should appear in the window. Select
which you want to find, or shift-click to select all three. This
"arms" them for searches in the main CdC window
e. hit OK to close the window
4. in the main CdC window,
a. click on "search" in the top margin,
b. click on "find," "solar system," select "asteroids," and your
three objects should be listed.
c. Select which one you want to go to and hit "OK." An arrow will
appear on the chart (if the object is up) showing its location.
These objects are very faint, mag 17 or 18, much fainter than the
stars shown in CdC. It helps to have something like the Palomar Sky
Survey to display the fainter stars in the area.
Pete
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