Re: [Stellarium-pubdevel] New NGC catalogue

[Rob S. <ro...@di...>]

On Wed, 2010-01-13 at 17:38 +0000, Thomas Morris wrote:
> When I contacted him he was happy for the catalogue to be distributed
> in free software, but that permission would be required for any
> commercial use. Unfortunately the GPL allows a fee to be charged
> provided the source is made freely available (section 4 of the GPL):
> 

It is more the issue that the GPL does not allow restrictions on use
that he wants.  "Commercial use" is a vague term, but for example,
consider a for-profit school wanting to use his catalog to teach
astronomy.  Not allowed?

Rob