Fig. 4.11-I : example of an exposure taken on the ground (MPE Panter facility) with optics (on axis) This particular exposure is in Al light (1.5 keV) and contains 540,000 photons.

sax.iasf-milano.inaf.it/Sax/Mecs/figmuon.html :: original creation 1998 Sep 18 18:50:46 CEST :: last edit 1998 Sep 18 18:50:46 CEST