Table 1 Locations and sky conditions during the campaign.

From: The Solar Spectrum in the Atacama Desert

Location

Altitude

Position

Date

Sky Conditions

Antofagasta

114 m

23°27'16.07′′S 70°26'21.40′′W

08.02.2015

Cloudless

09.02.2015

Stratocumulus clouds in the Morning

10.02.2015

Cloudless

Caldera

208 m

27°15'53.96′′S 70°46'32.65′′W

12.02.2015

Cloudless

13.02.2015

Stratocumulus clouds in the Morning

14.02.2015

Stratus clouds

El Salvador

1600 m

26°18'50.88′′S69°45'10.71 W

16.02.2015

Cloudless

17.02.2015

Cloudless

18.02.2015

Cloudless

D. de Almagro

780 m

26°23'40.74′′S70° 3'2.40′′W

20.02.2015

Cloudless

21.02.2015

Cloudless

22.02.2015

Cloudless

Calama

2293 m

22°29'50.84′′S68°54'51.57′′W

24.02.2015

Cloudless

25.02.2015

Cloudless

26.02.2015

Cloudless

27.02.2015

Altostratus Clouds

Chajnantor

5100 m

22° 57′ 30″ S 67° 47′ 10″ W

02.03.2015

Cloudless

03.03.2015

Cirrus clouds in the Afternoon

04.03.2015

Cirrus clouds in the Morning

M. Elena

1184 m

22°16'28.64′′S 69°33'59.08′′W

07.03.2015

Cloudless

08.03.2015

Cloudless

09.03.2015

Cloudless