131. What is the major limitation in using the Sight Reduction Tables for Air Navigation Volume I (Pub. No. 249) for star sights?

Sights must be made at even time increments to benefit from the tables.
Only first magnitude stars are tabulated.
More accuracy is needed for celestial observations on board ship than what is tabulated.
Only certain stars are included and sights must be limited to those stars.

« PreviousSkipNext »

Show clarification Download PDF

Comments (0)

There are no comments at the moment. If you found an error or think question is incorrect, tell everyone about it