Archives of Past Satellite Images (and a few excellent sources of current images)

• GOES-8 (last 2 weeks only) from Ohio State
• Global Composite IR (past year), Composite WV (back to 1/99), Antarctic Composite (last few weeks)
• Past 21 days archive of GOES-8 and GOES-10 images
• NCDC Historical GOES Browser : 00Z and 12Z IR from GOES-8 and GOES-9
  
• GOES-8 and GOES-9 Complete Catalog (all sectors) of latest images
• Archive of Polar-orbiter satellite images
• Selection of satellite images (some archive) from NWS-San Francisco
• Archive of AVHRR regional images from Johns Hopkins
• NCDC Satellite Resources - All types of satellite data