Update horizon for astronomical twilight
Update horizon for astronomical twilight

joshwalawender/POCS,AstroHuntsman/POCS,joshwalawender/POCS,joshwalawender/POCS,panoptes/POCS,AstroHuntsman/POCS,panoptes/POCS,AstroHuntsman/POCS,panoptes/POCS,panoptes/POCS,AstroHuntsman/POCS