Bad Seeing




Telescope MDM 2.4m
Date 11/19/95
Instrument CharlotteCCD
Filter V_KittPeak
Exposure
Time
600
s

Problem:

The seeing in this image is bad. Note how the stars appear round and big. The same image was taken during good seeing conditions, and the number of detected stars is substantially higher in that image (follow link below).

Fix:

If the project allows seeing conditions as bad as the current ones, fire away. If not, wait until the conditions are within the seeing boundaries set for the project in question.

A radial plot across a stellar image in the field.

The same field in good seeing conditions.

A comparison between images of the same region (the one in this image), one obtained during good seeing, the other one during bad seeing.

A field with > 6" seeing

Back to Seeing, Focusing, Guiding

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