Enhancement of Lasco C1, C2, and C3 Coronagraph Images

Abstract

The Large Angle Spectrometric Coronagraph (LASCO) on board SOHO provided unprecedented views of the solar corona since January 1996. This instrument contains three individual coronagraphs C1, C2, and C3, described in detail in Brueckner et al (1995). The C1 coronagraph acquires high resolution images (11" and higher) of the lower corona from 1.1 R to 3.0 R, thereby providing a close link to the disk observations of other instruments in the SOHO complement. The C2 and C3 images have lower resolution (23" and about 2' respectively), however they provide a unique view of the extended corona up to 32 R. During the past year we carried out a study of the morphology and dynamical evolution of various structures in the solar corona as observed by LASCO and EIT. In the following, we summarize the results of this studies.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1999
Accession Number
ADA359690

Entities

People

  • Margarita Karovska

Organizations

  • Harvard–Smithsonian Center for Astrophysics

Tags

Communities of Interest

  • C4I

DTIC Thesaurus Topics

  • Ballistic Trajectories
  • Deceleration
  • High Resolution
  • Intensity
  • Leading Edges
  • Magnetic Fields
  • Military Research
  • Observation
  • Observatories
  • Polar Regions
  • Polynomials
  • Regions
  • Solar Corona
  • Solar Wind
  • Trailing Edges
  • Trajectories
  • X Rays

Readers

  • Solar Physics
  • Systems Analysis and Design

Technology Areas

  • Fully Networked C3