Keck and the Southern Cross

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Keck and the Southern Cross

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chips7335 Location: Roseville CA US Posts: 13 users gallery	While waiting for the Milky Way to rise above the horizon at 13,500 feet, the Southern Cross makes a brief appearance at the lower right of the image. Keck II is testing its laser. The laser is used to measure atmospheric disturbances so that the 36 hexagonal mirrors that make up the 10 meter mirror can be individually adjusted to minimize any anomalies.
	· Date: Tue 26-May-2020 · Views: 107 · Filesize: 80.4KB, 24904.2KB · Dimensions: 7360 x 4912 ·
	Additional Info
	Keywords: Keck Southern Cross
	Camera: Nikon D810
	Lens & Filters: AF-S Nikkor 14-24mm 1:2.8G ED
	Film and/or ISO: 1,600 iso
	Aperture: f/2.8
	Shutter speed: 30 sec.
	Location: Mauna Kea, Hawaii
	Tripod & Head
	Additional Categories: Astrophotography
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