Event Study of the Peak Auroral Emission Altitude from All-sky Images

Details Event Study of the Peak Auroral Emission Altitude from All-sky Images Event Study of the Peak Auroral Emission Altitude from All-sky Images

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsa13b1888s&link_type=abstract

American Geophysical Union, Fall Meeting 2011, abstract #SA13B-1888

Physics

[2407] Ionosphere / Auroral Ionosphere, [2437] Ionosphere / Ionospheric Dynamics, [2455] Ionosphere / Particle Precipitation, [2494] Ionosphere / Instruments And Techniques

Scientific paper

The MIRACLE network monitors auroral activity in the Fennoscandian sector of Europe. Network stations cover the range of 55° to 57° magnetic latitude North and span two hours in magnetic local time. Some of the MIRACLE network stations include digital all-sky cameras (ASC). Some of the ASCs currently in use are: systems with an image intensifier in front of a CCD (iCCD), systems with electron multiplying CCD (emCCD). Both iCCD and emCCD cameras in the MIRACLE network operate at three different wavelengths: 427.8 nm, 557.7 nm and 630.0 nm. Each wavelength is selected using narrow band filters on a filter wheel placed in front of the CCD. Our goal is to evaluate the peak auroral emission altitude using ASC images at different stations pairs for a set of auroral event in order to evaluate the altitude of peak auroral emissions for different auroral structures. We adapted the AIDA software package developed by Björn Gustavsson in Kiruna for ASC images. Position calibrated images at two (or more) ASC stations are for optical triangulation of a set of auroral structures.

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