IC 418 Campaign in 1993 (DSN 10)
In December, 1993, a photometric multisite campaign was undertaken in order to
investigate the fascinating variable central star HD 35914 of the Planetary Nebula
IC 418. 5 observatories were involved, 120 hours of data were obtained by a variety of techniques.
HD 35914 exhibits irregular and cyclic light variations with a time scale of days and 6.5 hours respectively.
A discussion of those variations can be found in the referred paper below.
- 0.5 meter telescope at the South African Astronomical Observatory,
South Africa (observers R. Medupe and D. W. Kurtz)
- 1.0 meter telescope at Mt. John University Observatory, New Zealand (D. J. Sullivan)
- 0.6 meter telescope at Perth Observatory, Australia (P. V. Birch)
- 0.8 meter telescope at San Pedro Martir Observatory, Mexico (R. Costero &
- 0.8 meter telescope at Observatorio del Teide, Teneriffa (CCD, A. Herrero &
M. A. Guerrero)
Publications following this campaign :
- Variable central stars of young Planetary Nebulae. I. Photometric multisite observations of IC 418
(G. Handler et al.), 1997, A&A; 320, 125