NLCs Continue (II) - The July 21/22 '09 noctilucent cloud display as seen by Ágnes Ori at Jobbágyi, Hungary.  This bright display was widespread over northern Europe (view from Finland here). ©Ágnes Ori

NLCs appear to have become more frequent in recent years but also more people look for and reports them. The changes could also be connected with the Solar Cycle.





Atmospheric
Optics

About - Submit Optics Picture of the Day Galleries Previous Next Today Subscribe to Features on RSS Feed