15 | | |
| 15 | 10.[http://catserver.ing.iac.es/staralt/index.php Object visibility] |
| 16 | 11. [https://www.cleardarksky.com/c/MtGrahamAZkey.html Mt. Graham Clear Sky chart] |
| 17 | 12. [https://weather.cod.edu/satrad/?parms=regional-southwest-13-48-1-100-1&checked=map&colorbar=data Satellite infrared imagery of southwest US] |
| 18 | 13. [https://sites.google.com/a/lbto.org/observing-tool-manual/ LBT observing Tool] |
| 19 | 14. [https://wiki.lbto.org/PartnerObserving LBT Observers' Reference Page] |
| 20 | 15. [http://abell.as.arizona.edu/~lbtsci/scihome.html Almost all LBT info available in this webpage] |