sorting astrotracer photos from non

[Bill]

On 7/2/2016 12:29 PM, Larry Colen wrote:
> We went out playing with cameras last night. Is there a way to find some
> indication of astrotracer in lightroom?  I've tried using Friedl's data
> explorer and metadata viewer and nothing is leaping out at me on it.
>

If you are using astrotracer, you will have GPS turned on. Do you 
habitually shoot with GPS on?
Can lightroom sort by GPS?