Celestron NightScape 95555 Brochure & Specs page 10

7. slowly focus until the FwHM (Full-width at Half-Maximum) value (in red) is as
low as possible in the Focus Image window. the star should appear as small
as possible and visibly sharper than when you began.
8. Hit Abort when done.
note: If you wish to take test images during the daytime, it is recommended to set
the screen stretch to "Moon" mode for better color fidelity. the screen stretch mode
can be changed by right-clicking in the image screen or by selecting it from the com-
mand bar and the bottom of the main frame.
figure 5
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