15- Stadskanaal (1), Groningen, 30-07-2002

Underneith some photo's which shows very clear the anomalies which we found in the Stadskanaal 'Heart" formation.

Copyright Robert Boerman

Click on images to enlarge

Copyright Robert Boerman

Click on images to enlarge

Copyright Robert Boerman




Copyright  Robert Boerman Copyright  Robert Boerman Copyright  Robert Boerman

Click on images to enlarge

Images Copyright Robert Boerman 2002



  • Diameter circle 1: 1.60/1.70 metre
  • Diameter circle 2: 2.10 metre
  • Diameter circle 3: 4.40/4.50 metre
  • Diameter circle 4: 5.20/5.06 meter
  • Diameter circle 5: 7.60 metre
  • Diameter circle 6: 13.60/14.20 metre
  • The lay of these 6 circles was anti-clockwise


  • Length path 7: 50.90 metre
  • Diameter ring 8: 13.20 metre
  • Diameter circle 9: 8.50 metre
  • Lengte path 10: 24.80 metre
  • Lengte arrow/circle: 22.70 metre
  • Measuremenst heart 12: 11.80/18.50 metre
  • Length arrow 'tail': 12.20 metre
  • Diameter circle in heart: 3.40 metre