Someone maybe can tell what the green lights may be? They really pop out nice

http://legacysurvey.org/viewer?ra=34.5328&dec=-11.0416&zoom=12&layer=decals-dr5

Just a place where there are only two filters (z and r) to cover that area. The third filter, g, which would occupy the blue channel, is missing. So if all you have is something in the red and green channels? You get a yellowish green color.