- Testimonials
- L. B., United States
- N. Gialiris, Canada
- F. M., Belgium
- G. B., United States
- R. Forest, Canada
- E. O., United States
- P.A., Portugal
- S. Sheriff, Spain
- A. Roig, Barcelona, Catalunya
- D. Zielke, Canada
- P. Brand, Australia
- M. Cecconi, Fundacin Galileo Galilei - INAF, Fundacin Canaria, Spain
- T. Murray, United Kingdom
- R. Higby, Australia
- G. Stevens, Australia
- BBC The Sky at Night Magazine, April 2013
- M. Vecchi, Australia
- A. Svahins, United States
- P. Scully, South Africa
- BBC The Sky at Night Magazine, April 2013
- J. Giles, Australia
- BBC The Sky at Night Magazine, April 2013
- Testimonials
- L. B., United States
- N. Gialiris, Canada
- F. M., Belgium
- G. B., United States
- R. Forest, Canada
- E. O., United States
- P.A., Portugal
- S. Sheriff, Spain
- A. Roig, Barcelona, Catalunya
- D. Zielke, Canada
- P. Brand, Australia
- M. Cecconi, Fundacin Galileo Galilei - INAF, Fundacin Canaria, Spain
- T. Murray, United Kingdom
- R. Higby, Australia
- G. Stevens, Australia
- BBC The Sky at Night Magazine, April 2013
- M. Vecchi, Australia
- A. Svahins, United States
- P. Scully, South Africa
- BBC The Sky at Night Magazine, April 2013
- J. Giles, Australia
- BBC The Sky at Night Magazine, April 2013