HeyWhatsThat Planisphere for Google Earth: Advanced Options

Overlay the night sky in Google Earth with your horizon and peaks, an azimuth-altitude grid, and the positions of the Sun, Moon and planets (and Pluto too).

Sign up
First, select a HeyWhatsThat panorama:
that you have previously computed
    or a public panorama

If you select a panorama, the planisphere will show the true horizon, with surrounding mountain summits labeled. If you don't select a panorama, the planisphere will have a flat horizon.
If you want to generate a panorama for your location, go to the New Panorama tab at HeyWhatsThat.com, enter the appropriate information, and when the computation finishes come back here and select it above. See the FAQ for more information.
or mark your location:
Click on the map         ---->
    Or search for an address:
e.g. 1600 pennsylvania ave, washington dc
or main & elm, 04843
        Or enter your latitude and longitude:
latitude and longitude can be entered
as 44.36254 or 44 15.3 or 44 16 07
Second, choose the type of planisphere:
A folder with a bunch of planispheres, including the current sky and all of this year's eclipses
The sky right now
This year's eclipses
More information on eclipses is available at the NASA Eclipse Web Site.
A Network Link that, whenever refreshed, will show the sky at that instant
A Network Link that, whenever refreshed, will show the sky for the next three hours at 10 minute intervals
For more on animation, see the FAQ
   Reset to now
The sky at the specific date and time entered above
An animation of the sky at 1 hour intervals for a full day (starting at the date entered above)
An animation with frames taken once per day for a month (starting at the date entered above)
Third, hit Submit:

Google Earth should open and display the state of the sky for the location and time you specified. You may find you have to manually switch to sky view (under the Google Earth View menu hit Switch to Sky).