Thanks Ronni I am using heavens above ISS tracker but when I try to use 3D
interactive part I get this message Sorry, your computer/browser do not
support WebGL, so guess I need to upgrade to something else.
Regards Bill

On Fri, Mar 8, 2019 at 7:10 PM Ronni Brown <ro...@mac.com> wrote:

> Hi Bill,
>
> 1. Enable Develop menu.
>
> https://support.apple.com/guide/safari/use-the-developer-tools-in-the-develop-me
> nu-sfri20948/mac
> <https://support.apple.com/guide/safari/use-the-developer-tools-in-the-develop-menu-sfri20948/mac>
>
>
> 2. Click Develop in the menu bar.
>
>
> Experimental Features > WebGL 2.0
>
>
> Click on WebGL 2.0 to enable it.
> https://discussions.apple.com/thread/8655829
>
> Or Try google search <Heaven above ISS tracker for Mac or iOS?>
>
> *Download Sky Live*: Heavens Above Viewer and enjoy it on
> your iPhone, iPad and iPod touch. ... astronomical events and tell you
> what's going on in the sky over your location at the moment, e.g. ISS flyby
> or bright ...
> Sky Live: Heavens Above Viewer
> <https://itunes.apple.com/ca/app/sky-live-heavens-above-viewer/id693905898?mt=8>
>
> <https://itunes.apple.com/ca/app/sky-live-heavens-above-viewer/id693905898?mt=8>
>
>
>
> Kind regards,
> Ronni
>
>  Ronni Brown’s iPad Pro 12.9-inch 256GB
>
>
> On 8 Mar 2019, at 1:02 pm, Juliet Kitson <billand...@gmail.com> wrote:
>
> Hello All
> I am using Heaven above ISS tracker part of it informs me my computer does
> not support WEBGL does any one what this and how do get it.
> Macbook air late 2013
> 10.14.3
> Regards Bill
>
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