Abstract
We report patterns of astronomical seeing at KSA SEMO (Korea Science Academy Space Earth and Man Observatory). Though the data of the seeing measured at the local observatory is essential in identifying the seeing of the observatory, systematic measurement of seeing has not been made in Pusan yet. For this reason, KSA SEMO adopted the Santa Barbara Instrument Group (SBIG) Seeing Monitor to constantly record the seeing. The seeing monitoring was done through an elaborate procedure involving direct CCD images in the focal plane which were subsequently analyzed for the full width at half maximum (FWHM) Gaussian widths. Based on the seeing monitoring for 8 months, we classified five patterns of the seeing at KSA SEMO: `Sunset/Sunrise Effect`, `Extreme Fluctuation`, `Sudden Increment`, `Daily Variation` and `Stable Condition`. Seeing was generally good from 1:00 am to 3:00 am than other times, and it was also better in Winter than in Summer.
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