Contains:  Star trails
The Gran Telescopio Canarias and the Roque de los Muchachos Observatory (La Palma), Wei-Hao Wang

The Gran Telescopio Canarias and the Roque de los Muchachos Observatory (La Palma)

The Gran Telescopio Canarias and the Roque de los Muchachos Observatory (La Palma), Wei-Hao Wang

The Gran Telescopio Canarias and the Roque de los Muchachos Observatory (La Palma)

Equipment

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Acquisition details

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Description

Two-frame panorama. Lens is at 15mm/F2.8. Each frame contains 10 10-sec untracked exposures at ISO 6400. The sky and foreground were stacked separately and then blended together.

The largest dome in the foreground is the 10.4m GTC. The three larger domes on the ridge in the background are, from left to right, the 4.2m William Herschel Telescope, the 2.6m Nordic Optical Telescope, and the 3.6m Galileo National Telescope.

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