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Published online by Cambridge University Press: 26 July 2016
The oncoming meeting and the big group of specialists gathered here reminds me of the late sixties, when I started the search for Markarian galaxies at the Byurakan Observatory. We carried out the survey with a 1 m Schmidt telescope (f/2.1). The First Byurakan Survey (FBS) consisted of more than two thousand plates with an exposure time of 30–60 minutes per plate. While guiding the telescope I therefore had plenty of time to think on future survey techniques.