| Description: | This add-on represents the Hubble Variable Nebula NGC 2261 which is located about 2500 light-years away towards the constellation of Monocerotis. This is a variable nebula because it changes its appearance evry two weeks or so. For more information, please visit the Hubble web site HERE. To install, simply copy all contents to your Celestia\extras directory. Use the ENTER-TYPE NAME-ENTER method to type in either NGC 2261 or Hubble's Variable Nebula in order to locate and view this add-on in Celestia. |
