ceztom: MVI_9275
ceztom: MVI_9277
ceztom: MVI_9279
ceztom: IMG_9267
ceztom: IMG_9269 SBAU Telescope Workshop folks 1000pix crop
ceztom: IMG_9268
ceztom: IMG_9270-001 lighten 1000pix crop DZ at tester
ceztom: IMG_9270
ceztom: IMG_9269
ceztom: IMG_9272 SBAU TW TimC holding JoeD iris for tester light control 1000pix crop
ceztom: IMG_9270-001
ceztom: IMG_9271
ceztom: IMG_9272 SBAU TW TimC holding JoeD iris for tester light control
ceztom: IMG_9272
ceztom: IMG_9273
ceztom: IMG_9278-001 DmitriiZ Ronchi pattern 1000pix crop
ceztom: IMG_9276
ceztom: IMG_9278
ceztom: IMG_9278-001
ceztom: IMG_9280
ceztom: IMG_9282 C R Laurance cerium oxide from Chris U 1000pix crop
ceztom: IMG_9281
ceztom: IMG_9283 Crawford Comet reduced to pits
ceztom: IMG_9283
ceztom: IMG_9282