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GeoAstro Applets |
Astronomy |
Chaos Game |
Java |
Miscel- laneous |
Physics Quiz |
Who is Who ? |
Sky
Map
Applet
showing
the bright stars and planets (Mercury, Venus, Mars, Jupiter,
Saturn)
small applet version (WIDTH=480 HEIGHT=570)
Greatest elongations of Mercury and Venus
Applet: Planetary Motion
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Enter
the
coordinates
(decimal degrees) for the latitude, and press RETURN,
and for the longitude, and press RETURN: |
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Select the time zone. |
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You may use the keys m, w, d, h, n to increase the month, week, day, hour, or minute, or shift key and m, w, d, h, n to decrease the month, week, day, hour, or minute. Use the key l or L to change the latitude Click into the applet area first ! |
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<applet archive="JavaClasses.jar" code="SkyMap0991.class" WIDTH=600 HEIGHT=650> <PARAM NAME=password VALUE="replace"> <PARAM NAME=email VALUE="replace"> <PARAM NAME=location VALUE="Berlin"> <PARAM NAME=latitude VALUE="52.51"> <PARAM NAME=longitude VALUE="13.41"> <PARAM NAME=timezone VALUE="auto"> </applet> |
The first items of the latitude and longitude menu are those of the applet parameter values, which may be edited by Text Edit. Using
the
timezone
parameter value "auto", the applet will use the system
clock's time information. Otherwise insert the time zone offset, e.g. |
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Visual magnitude of the stars to be shown in the applet. |
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Equ.
Colure: |
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The
Moon,
and
its fraction of disc illuminated. |
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The
direction
of
the Sun and the Moon |
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Click a star to get the name, magnitude, right ascension, and declination. |
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The local mean sidereal time ("star time") at a given location is the hour angle of the vernal equinox (aries) point, or the right ascension of the transiting stars (stars on your local celestial meridian). |
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Examples: 1) At LMST 00:00 the aries point is on the local celestial meridian. 2) At local mean sidereal time 19:51 the star Altair (RA 19.84h) is on the local celestial meridian: |
The total solar eclipse of 2006, March 29 as seen from Turkey (Antalya, about 37° N, 31° E):

Updated: 2010, Aug 26
© 2005-2010 J. Giesen