About the Authors

Andrew Watson

Andrew.b.watson@nasa.gov

Affiliation NASA Ames Research Center, Moffett Field, Virginia, United States of America

Cesar V. Ramirez

Affiliation NASA Ames Research Center, Moffett Field, Virginia, United States of America

Ellen Salud

Affiliation NASA Ames Research Center, Moffett Field, Virginia, United States of America

Competing Interests

NASA has applied for a patent for technology related to the Spatial Standard Observer. ABW is named as the inventor of this technology.

Author Contributions

Conceived and designed the experiments: ABW. Performed the experiments: ABW CVR ES. Analyzed the data: ABW. Contributed reagents/materials/analysis tools: CVR. Wrote the paper: ABW. Edited the paper: CVR. Revised the paper: ES.