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Ground-based observations of the corona in the visible and NIR spectral rangesSince late 1993 we have been using a mirror coronagraph on Pic du Midi (PICO) to observe the solar emission corona in several spectral lines of (FE-X), (FE-XIII), and (FE-XIV). For good meteorological conditions the diffuse corona and coronal holes in between can be seen out to 1.2 solar mass for sun center. Active regions can be mapped to bond 1.5 solar mass in the green and infrared lines. Recent observations of PICO are presented.
Document ID
19960021349
Acquisition Source
Jet Propulsion Laboratory
Document Type
Conference Paper
Authors
Epple, Alexander (Max-Planck-Inst. fuer Aeronomie Katlenburg-Lindau, Germany)
Schwenn, Rainer (Max-Planck-Inst. fuer Aeronomie Katlenburg-Lindau, Germany)
Date Acquired
August 17, 2013
Publication Date
June 30, 1995
Subject Category
Solar Physics
Accession Number
96N24745
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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