Abstract

Ground-based photometric observations are still the primary source of our knowledge of frequencies of modes excited in different types of pulsating stars. A typical set of photometric observations, accomplished usually by means of a multi-site campaign, allows to detect modes with amplitudes down to ∼0.1 mmag. The current abilities and limitations of this method of data collection are discussed in view of the requirements of the mode identification methods and asteroseismology. We also present some newest results of the multi-site campaign on stars in open cluster NGC6910.

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