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Table 2

Atmospheric conditions during the observations.

Observing Seeing Humidity Tranparency Extinction
date (′′) (%) (%) in V-band (mag)

2007-06-22a Clear 56 95 0.22
2007-06-23a Clear 48 95 0.22
2009-03-19 Clear 1.2 43 95 0.15
2009-03-20 Clear 1.3 62 85 0.25
2009-03-21 Clouds 1.7 71 75 0.28
2009-03-22 Clear 2.0 70 95 0.15
2009-03-23a Clouds 47 75 0.25
2009-03-24 Clouds 1.8 62 65 0.25
2009-06-27 Clear 1.0 44 95 0.20
2009-06-28 Clear 1.2 70 90 0.20
2009-10-17 Clouds 1.2 79 85 0.25
2009-10-18 Clouds 1.5 58 70 0.30
2009-10-19 Clouds 1.8 75 75 0.20
2009-10-22 Clear 1.6 86 90 0.20
2009-10-23 Clear 1.2 50 95 0.15

Notes. For each night, we present average values of the seeing, humidity, transparency of the atmosphere, and the extinction in the V-band.

(a)

Owing to technical problems, there are no data from the seeing monitor for these nights.

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