21:00 hours and total of five fast moving red objects going WSW to East at low altitude, no engine noise, no aircraft lights5 brightly lit red objects flying from WSW to East went overhead at a very high speed. Four were spaced a minute apart and the last one was four or five minutes later and was at a lower altitude and going at a NNE direction towards Milwaukee. Tried to get images on digital camera. Full darkness on a cool Wisconsin night. No wind and 48 degrees.