Fig. 1

A copy of the photographic plate obtained in the region of NGC 7000 with the first Schmidt telescope in the Hamburg-Bergedorf Observatory on Dec. 18 1932 (exposure: two hours, observer: Bernhard Schmidt). The brightest Hα emission star in the field LkHα 188 and the position of V2493 Cyg are marked by arrows. The plate limit is estimated at 173 (pg). Three of our standard stars (A − C) are visible at the bottom-left of LkHα 188.
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