Laboratory for Atmospheric and Space Physics, University of Colorado (2015) Aeronomy of Ice in the Mesosphere—CIPS Instrument.
Spaceweather.com (2015) Realtime NLC Gallery.
NASA Earth Observatory (2013, June 25) Early Start for Noctilucent Clouds.
NASA Earth Observatory (2011, January 27) Night-Shining Clouds Are Getting Brighter.
