(CNN) – A million and a half people flooded the National Mall Tuesday for the inauguration of Barack Obama as president of the United States, according to an analysis of satellite imagery provided to CNN by IHS Jane's.
Related: Explore the satellite image of the Mall
The image used by IHS Jane's to estimate the crowd size was taken at 11:19 a.m. and included the areas blocked off for the 240,000 ticket-holders and the rest of the Mall, where the general public gathered for the event.
IHS Jane's is a leading information provider on defense, international risk and national security to governments, militaries, industries and academia around the world.
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