Watchers
- pmatosSomewhere beautiful, Germany
- tewkProvo, Utah
- Zoetermeer
- endobsonMountain View, CA
- dvanhornWashington, DC
- jbclements
- samthBloomington, IN
- LeifAndersenBoston, MA
- mflattSalt Lake City
- rfindler
- soegaardDenmark
- ntoronto
- rmculpepperPrague, CZ; Boston, MA, USA
- jhcloos
- stamourvChicago, IL, USA
- bfetscher
- ghcooper
- mikesperberTübingen, Germany
- florenceBoston, MA
- mfelleisenBoston
- bennnSalt Lake City
- olopierpa
- AlexKnauth
- sorawee
- eemailme
- seanpm2001Walla Walla Washington, USA, Earth, Milky way, <Universe>