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schuktoak color palettes

#0D0D0D #313131 #757575 #C3C3C3 #FFFFFF

related tags: 0B0B0B 0D0D0D 5E5E5E 9C9C9C C3C3C3 D3D3D3 afar arizona astronomical astronomy away az blackandwhite bw consortia district facilities far ffffff infrared kitt kittpeak kittpeaknationalobservatory kpno mm mount mountain mountaintop nation nationalopticalastronomyobservatory nationalsolarobservatory noao observation observatories oodham optical opticaltelescope peak radiotelescope schuktoak sigma silhouette site southwest stars telescopes tohono tucson 1958 70300 272727 313131 757575