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Table 1

Three asterisms observed during the night of the 27th of September 2010.

Asterism # 47 53 12

Central mV 11 10.9 8.3

Sep (′′) 47.9 61.7 39.3
m V 9.9 11.2 11.2

Sep (′′) 40.6 49.1 31.4
m V 10.2 9.9 10.7

Sep (′′) 53 56.8 51.5
m V 8.7 9.8 10

Airmass 1.02–1.55 1.11–1.50 1.05–1.09

Notes. The columns indicate: the CANARY asterism reference number, the separation (in arcsec) of each off-axis star to the central one, the V band magnitudes of each and the range of airmass during observations.

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