Deck : General Navigation - 1470/2138
|
|---|
| « Previous Question |
| The phase correction should be applied to sights of Venus and Mars __________. |
| A) when observed at altitudes of less than 25° |
| B) during twilight observations only |
| C) at all times |
| D) during day time observations only |
loading answer...
| Comments |
|---|
| There are no comments for this question. |