Reproductions of Analog Magnetograms

2015-03-26 00:00:00

Reproductions of Analog Magnetograms in JPEG file. Analog magnetograms on photographic paper about 510 mm long by 195 mm wide are scanned and converted to 24 bit BMP images at a relative resolution of 600 pixels per inch. The published images are converted to the JPEG images.

If the data are used in publications and presentations, the Kakioka Magnetic Observatory of the Japan Meteorological Agency should be acknowledged properly. This work was supported in part by the Japan Society for the Promotion of Science, Grant-in-Aid for Publication of Science Research Results (Grant 248032, 268023, 15HP8028, 16HP8026) and by the Joint Research Program of the Institute for Space-Earth Environmental Research (ISEE), Nagoya University. The JPEG conversion is performed by using Image Magick.

Online

Open

JPEG

P1D

36.232

36.232

140.186

140.186

0.036

0.036

Reference: KAK

Geomagnetic field