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The finest white-light coronal features

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Abstract

An attempt to detect the finest white-light coronal features observed with a large optical telescope was made at the July 11, 1991 Solar Total Eclipse. A few selected results taken from the video-CCD high speed observations obtained at the prime focus of the Canada-France-Hawaï-Telescope (CFHT) with a red coronal interference filter are presented. The smallest (sub-arsec) detected and/or resolved coronal features are shown. The methods that were used to extract them from the noisy and seeing-limited images taken from video frames are described.

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References

  • Koutchmy O. and Koutchmy S., Proceedings of the 10th S.P.O. summer workshop (1988) ed. by O. Von Der Lühe.

  • Koutchmy S., Monnet G. and Sovka J., (1992), CFHT Information Bulletin,26, 1.

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  • Koutchmy S., Belmahdi M., Coulter R., Desmoulin P., Gaizauskas V., MacQueen R.M., Monnet G., Mouette J., Noens J.C., November L., Noyes R.W., Simes D.G., Smartt R.N., Sov ka J., Vial J.C., Zimmermann J.P. and Zirker J.B. (1993) Astron. Astroph., submitted.

  • Vial J.C., Koutchmy S. and the CFHT Team, ESA SP-344 (1992), 87.

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Authors and Affiliations

  1. Institut d'Astrophysique de Paris, CNRS, 98 bis Bd Arago, F-75014, Paris, France

    Serge Koutchmy, Olivier Bouchard & Jean Mouette

  2. Laboratoire d'Analyse Numérique, Université Pierre et Marie Curie, Tour 55–65, 4 Place Jussieu, F-75230, Paris, France

    Olga Koutchmy

Authors
  1. Serge Koutchmy
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  2. Olivier Bouchard
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  3. Jean Mouette
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  4. Olga Koutchmy
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Koutchmy, S., Bouchard, O., Mouette, J. et al. The finest white-light coronal features. Sol Phys 148, 169–172 (1993). https://doi.org/10.1007/BF00675542

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  • DOI: https://doi.org/10.1007/BF00675542

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