Full description
Auroral morphological, dynamical, and spectroscopic observation have been carried out at Syowa Station with various ground-based auroral optical instruments. Auroral observation have been carried out since the establishment of Syowa Station in 1957. Currently operated instruments are: All-sky monochromatic imager (ASI), All-sky TV camera (ATV), Multi-color meridian scanning photometer (SPM), and Conjugate auroral imager (CAI). Output data of ATV is the video signals, those of ASI and CAI are digital still images, and those of SPM are digital data file. ASI observes three different wavelengths (557.7, 630.0, 427.8 nm) by changing each interference filter at each 20 seconds. SPM observes seven wavelengths (427.8, 485.2, 487.4, 557.7, 630.0, 777.4, 844.6 nm) simultaneously. CAI is operated in the same mode with the CAI in Husafell in Iceland, and its wavelength is now 427.8 nm. Captured images of ATV at every 1 minute are transferred in real time to NIPR via satellite network. The other data are carried back by ship, and archived by the WDC for Aurora and Space and Upper Atmospheric Science group in NIPR.
User Contributed Tags
Login to tag this record with meaningful keywords to make it easier to discover