Originally Posted by Stecker and Scully

The possibility of explaining the positron and electron excess recently found by the PAMELA and ATIC collaborations in terms of dark matter (DM) annihilation has attracted considerable attention...If we apply our analysis technique to the MAGIC data and assume an intrinsic power-law spectrum with index 2.02 as observed for the earlier EGRET flare at lower energies where absorption is negligible, we find that the luminosity of the MAGIC flare was similar to that of the earlier EGRET flare. In fact, the MAGIC flare was ~3 times brighter. This luminosity estimate could not be obtained using the analysis adopted by the MAGIC group, since all of the data points that they started from were affected by intergalactic absorption.