  We have demonstrated experimentally that recently developed gaseous detectors
combined with solid or gaseous photo-cathodes have exceptionally low noise and
high quantum efficiency for UV photons while being solar blind. For this reason
they can be used for the detection of weak UV sources in daylight conditions.
These detectors are extremely robust, can operate in poor gas conditions and
are cheap. We present the first results of their applications to
hyper-spectroscopy and flame detection in daylight conditions.
