Orion 51924 Mars Map and Observing Guide (Black)
- An indispensable reference guide for observing the Red Planet.
- Identifies Martian features using classical albedo and modern nomenclature.
- Lists all opposition and conjunction events from 2014 to 2020.
- Recommends best filters for visual observation and astrophotography of Mars.
- Plastic-laminated for durability, the Mars Map measures 25.25 inches x 11 inches when fully unfolded, and folds up to 8.5 inches x 11 inches for easy portability.