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Condition Specifications
The condition refers to the visual appearance of the device. Each device is thoroughly inspected and found to be in perfect working condition.
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Excellent
Excellent condition devices will only have minimal wear that is hardly noticeable. -
Great
Great condition will show light signs of wear including scratches, scuffs, or small dings. Wear will be minimal but may be visible from an arm’s length distance. -
Good
Good condition with average signs of wear including scratches, scuffs, or dings that will be visible within an arm’s length distance. -
Fair
Fair condition with heavy signs of wear may include scratches, scuffs, screen delamination, dings, or dents that will be visible from more than an arm’s length distance. -
Support
Please note we cannot send individual pictures of machines. Feel free to message us at support@techable.com with any questions. -
Warranty
Each device comes with a 90-Day warranty on all parts. Additional warranty options are provided by SafeTech Warranty.
A Map of the Classical Albedo Features of Mars Produced by Carlos Hernandez.
Not all features noted on the map are visible to an observer at any one apparition/opposition as it depends upon the hemisphere of the planet that is pointing towards the earth (Northern Hemisphere during aphelic oppositions and Southern Hemisphere during perihelic oppositions) as well as the presence of dust and clouds over the surface of the planet over time.
The darker albedo features shown are typically visible during the majority of apparitions/oppositions.
The North and South Polar Caps (NPC and SPC) will change in size according to the current martian season over that hemisphere. The canal-like albedo features are due to a contrast effect between the light and dark zones over the surface.
Make a no-cost purchase and download the 300 dpi high-resolution digital copy of the Classical Albedo map of Mars for the observer to use as reference at the telescope.
About the Cartographer
Ambassador Carlos Hernandez has contributed his planetary observations to worldwide organizations including The Association of Lunar and Planetary Observers (ALPO, United States), British Astronomical Association (BAA, Great Britain), Oriental Astronomical Association (OAA, Japan), and many other excellent planetary amateur astronomer groups over many decades.
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