Watchers
- SvenDowideitBrisbane, QLD, Australia
- MichaelDaumGermany, Hamburg
- Babar
- csirac2Canberra, Australia
- cdotUK
- dendrochronologyGranville, OH
- mtempest
- jhcloos
- RayPlanteGaithersburg, MD
- timleggeCanada
- RaulFRodriguez
- JlevensNorth East England
- fschlich
- vrurg
- gac410
- LynnwoodBlowing Rock, NC
- KennethLavrsenDenmark
- MichaelBuchholzGermany, Dortmund
- BramVan-Oosterhout