drawing of halo DMSP F18 Feys Filip Image taken: Oct. 18, 2009 Location: the observations where done on Crete at the Public Observatory Sasteria. Details: drawing of the plume after the venting of a rocket DMSP F18 that was launched on 2009 Oct 18. See e-mail that I send you today. You will find all the details in it. ©2013, SpaceWeather.com -- This site is penned daily by Dr. Tony Phillips.