Chris Cain and Ben Albracht arrive at the summit of Mt. Hamilton and Lick Observatory east of San Jose, Calif. on Wednesday, May 8, 2013. The observatory will be celebrating its 125th anniversary.  (Gary Reyes/ Bay Area News Group)
Astronomer, Elinor Gates, stands on the tower beneath the 36" Refractor telescope at Lick Observatory east of San Jose, Calif. on Wednesday, May 8, 2013. The observatory will be celebrating its 125th anniversary.  (Gary Reyes/ Bay Area News Group)
Astronomer, Elinor Gates, stands next to the 36" Refractor telescope at Lick Observatory east of San Jose, Calif. on Wednesday, May 8, 2013. The observatory will be celebrating its 125th anniversary.  (Gary Reyes/ Bay Area News Group)
Astronomer, Elinor Gates, manually moves the 36" Refractor telescope at Lick Observatory east of San Jose, Calif. on Wednesday, May 8, 2013. The observatory will be celebrating its 125th anniversary. The telescope is so delicate that there are only about a dozen people in the world that are certified to move it.  (Gary Reyes/ Bay Area News Group)
Astronomer, Elinor Gates, installs a viewfinder at the rear of the 36" Refractor telescope at Lick Observatory east of San Jose, Calif. on May 8, 2013. The observatory will be celebrating its 125th anniversary.  (Gary Reyes/ Bay Area News Group)
A pair of clocks are used in the control panel of the 36" Refractor telescope at Lick Observatory east of San Jose, Calif. on Wednesday, May 8, 2013. The observatory will be celebrating its 125th anniversary.  (Gary Reyes/ Bay Area News Group)
Examples of old spectrographic instruments can be found in the scientific objects archive room at Lick Observatory east of San Jose, Calif. on Wednesday, May 8, 2013. The observatory will be celebrating its 125th anniversary.  (Gary Reyes/ Bay Area News Group)
One of the very first applications of barcodes can be found in the scientific objects archive room at Lick Observatory east of San Jose, Calif. on Wednesday, May 8, 2013. The barcodes were used by scientists to control the dome rotation of the telescope in the 1970's. The observatory will be celebrating its 125th anniversary.  (Gary Reyes/ Bay Area News Group)
Lick Observatory is seen atop Mt. Hamilton from Hwy. 130 east of San Jose, Calif. on Wednesday, May 8, 2013. The observatory will be celebrating its 125th anniversary.  (Gary Reyes/ Bay Area News Group)
Chris Cain and Ben Albracht arrive at the summit of Mt. Hamilton and Lick Observatory east of San Jose, Calif. on Wednesday, May 8, 2013. The observatory will be celebrating its 125th anniversary. (Gary Reyes/ Bay Area News Group)
Chris Cain and Ben Albracht arrive at the summit of Mt. Hamilton and Lick Observatory east of San Jose, Calif. on Wednesday, May 8, 2013. The observatory will be celebrating its 125th anniversary.  (Gary Reyes/ Bay Area News Group)
Chris Cain and Ben Albracht arrive at the summit of Mt. Hamilton and Lick Observatory east of San Jose, Calif. on Wednesday, May 8, 2013. The observatory will be celebrating its 125th anniversary. (Gary Reyes/ Bay Area News Group)
See photo in original gallery.