Watchers
- AichiLee
- ashcat2005National Astronomical Observatory
- bnuastro
- CosmoVladMorgantown
- jhcloos
- Marlene-Ortega
- MilesCranmerUniversity of Cambridge
- rndsrcUniversity of Arizona
- rsnemmenUniversidade de Sao Paulo
- SakuraEntropia大连英领国际学校
- yuanshuoastroNational Astronomical Observatories of China (NAOC)
- ZhanlinWangPeking University