Occult Licence Agreement

Occult Licence Agreement

By using this software, you accept these terms. If you do not accept these terms, do not install or use the software.


The software (Occult) is provided "as is" and you bear the risk of using it. In no event shall I, Dave Herald, be liable for any consequential, special, incidental or indirect damages of any kind arising out of the delivery, performance or use of this software. This software was written with care, but no one warrants that the software is error free.


Your sole remedy for any failure or any form of damage caused by this software is a full refund of the fee I have received from you, which in all cases will be $0.


You may freely distribute copies of this software to others, so long as this disclaimer accompanies said distribution, you do not represent this software as your own work, and you do not alter the software or the installation package in any way.


Copyright issues

Occult relies heavily on data that is freely available. Items such as various star catalogues and the planetary ephemerides have been developed by government funded agencies or grants. Occultation and graze observations have been contributed mainly by the efforts of amateur astronomers from around the world. This contribution needs to be recognized and acknowledged.


The philosophy behind my writing and maintaining Occult is to encourage useful observations of occultation phenomena, thereby increasing our knowledge of the world around us. Accordingly:


  1. Users of Occult are free to disseminate predictions or results generated by Occult in a non-commercial manner, provided it is in a context of encouraging (directly or indirectly) observations of occultation phenomena. All I ask is that wherever possible there is an acknowledgement that the data was generated by Occult.


  1. In circumstances where there is a desire to include Occult predictions or results in a commercial publication, you may do so provided (i) it is in a context of encouraging (directly or indirectly) observations of occultation phenomena, and (ii) it is a minor part of that publication (eg a one or two page column in a 50-page monthly magazine). The fact that the predictions or results were generated by Occult4 should be acknowledged.


  1. Where the success of a commercial publication is likely to be dependent upon the output from OCCULT, you do not have automatic permission to include Occult outputs in that publication. You will need to contact the author and seek written permission.


  1. Where the output of Occult is displayed on GoogleEarth, GoogleSky or GoogleMaps, you will also need to comply with any copyright issues associated with those products.


Dave Herald

Canberra, Australia


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