Mars Book
Free
1.2.3for iPhone, iPad and more
Age Rating
Mars Book Screenshots
About Mars Book
The Mars Book is an app that is dedicated for observing Mars which will make close approach in summer 2020.
Mars will come close to Earth from September 2020 through October 2020. Closest approach will take place on October 6, 2020.
Mars Book is a highly useful Mars observing app which will indicate the location of Mars visible in the sky.
It shows you why Mars Close Approach will take place, and it is explained readily using animated illustrations and star charts at a viewpoint from outer Space.
Mars Close Approaches taking place 23 times from the year 2003 through 2050 will be displayed and apparent retrograde motion of Mars will be displayed.
Enjoy Mars Close Approach this summer with the Mars Book app!
Mars will come close to Earth from September 2020 through October 2020. Closest approach will take place on October 6, 2020.
Mars Book is a highly useful Mars observing app which will indicate the location of Mars visible in the sky.
It shows you why Mars Close Approach will take place, and it is explained readily using animated illustrations and star charts at a viewpoint from outer Space.
Mars Close Approaches taking place 23 times from the year 2003 through 2050 will be displayed and apparent retrograde motion of Mars will be displayed.
Enjoy Mars Close Approach this summer with the Mars Book app!
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What's New in the Latest Version 1.2.3
Last updated on Oct 30, 2022
Old Versions
Mars will be close to earth during the months of November and December 2022.
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Version History
1.2.3
Oct 30, 2022
Mars will be close to earth during the months of November and December 2022.
1.2.2
Mar 19, 2021
Updated Mars Book so that the dialog box of choosing a telescope becomes available for SD81S, SD103S, and SD115S apochromatic refractors.
1.2.1
Sep 29, 2020
Updated in preparation for the Mars approach in October 2020.
Available for indicating the field of view of your scope by choosing a telescope and an eyepiece.
Some corrections have been made to mend inconvenience.
Available for indicating the field of view of your scope by choosing a telescope and an eyepiece.
Some corrections have been made to mend inconvenience.
1.2
Jul 28, 2020
Updated in preparation for the Mars approach in October 2020.
Available for indicating the field of view of your scope by choosing a telescope and an eyepiece.
Available for indicating the field of view of your scope by choosing a telescope and an eyepiece.
1.1
Mar 29, 2018
Mars Book is available in German language.
Corrections have been made for some program bugs.
Corrections have been made for some program bugs.
1.0
Feb 5, 2018
Mars Book FAQ
Click here to learn how to download Mars Book in restricted country or region.
Check the following list to see the minimum requirements of Mars Book.
iPhone
Requires iOS 9.0 or later.
iPad
Requires iPadOS 9.0 or later.
iPod touch
Requires iOS 9.0 or later.
Mars Book supports English, German, Japanese
