The complications include the date of Easter, sidereal time, and a 2800-star celestial chart.

During this period the thread of light on the celestial chart in the dome of the positronic computer continued to move a little bit every five minutes.

Now, through a new licensing agreement, it sells reproductions of ninth-century celestial charts by Ptolemy, hand-painted with 22-karat gold leaf, for $1,400.

He collaborated with the engraver Augustine Ryther on both celestial and terrestrial charts.

It had no name, but only a code number, a string of digits to identify it on the celestial charts.

In front of them was a table covered with celestial charts and scraps of parchment covered with figures.

"For the duration," answered Nechayev, regarding the celestial charts hovering in midair.

The second memoir includes the first, and forms the entire catalogue, except the twelve celestial charts that accompanied the first.

Or, if you're like my show's producer, you could throw darts at solar systems on celestial charts.

One of its most important uses was the representation of celestial charts.