There are four 1.25" filters included in this kit:

<#12 Yellow>

Enhances detail of small orange and red zones in Jupiter's belted zones - can improve detail on Mars(improves contrast on Moon).

<#21 Orange>

Increases contrast and surface detail on Mars and enhances cloud band detail on Saturn. Also corrects the image of the Sun to a more natural appearance when using a Mylar solar filter.

<#56 Green>

Increases contrast and clarity of red detail in Jupiterīs cloud belts and great red spot. Can be effective in enhancing cloud belts of Saturn and enhancing detail around the polar caps of Mars.

<#80A Medium Blue>

Enhances cloud formations on Mars, and makes white ovals in Jupiterīs cloud belts easier to see. The filters are supplied a handy foam lined storage case.

The appearance of the target and the detail improvement shown by a particular filter varies with the conditions - experimentation is the key. Remember: filters can be combined!