iOptron 8401 manual Tracking

Models: 8401

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4.4Tracking

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A full moon is not the best time to watch the Moon. There is too much glare and not enough shadow for details.

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There is a lot to explore on the surface of the Moon such as craters, mountain ranges, fault lines, etc. During a full moon, however, no shadows can be seen on the Moon’s surface and it becomes too bright for any details to be seen. The best time to observe the Moon is during its crescent or half phase.

A neutral density Moon filter is recommended when observing the Moon. This filter cuts down on the bright glare and enhances contrast. You will be amazed by the dramatic difference.

4.4Tracking

The tracking function is used to counteract the rotation of the earth. When the telescope is in tracking mode, the celestial object will not drift away from your eye piece field. This function is essential for astrophotography.

When you switch to “Cele” mode the system is automatically in tracking mode. When you switch back to “Land” mode the tracking stops.

A user can set up tracking in the main menu by selecting “Set up tracking”. Then the user can select “sidereal speed”, “Solar speed”, “Lunar speed”, or user can define a speed using “User defined speed”.

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iOptron 8401 manual Tracking