Johnston suggests that the reference is to an annular eclipse which he finds occurred on August 14, at about 8¼ h. in the morning.
Baron de Zach and Arago mention it as the first annular eclipse on record.
Whatever it was that was noticed, clearly it could not have been an annular eclipse, because no such eclipse then happened.
An annular eclipse may last, at most, twelve minutes and twenty-four seconds.
Who would ever think of an annular eclipse of the moon as an illustration of religion?
An annular eclipse is an eclipse which just fails to become total for yet another reason.
The eclipse of 1762 also engaged Mme. Lepaute's attention, as did also the annular eclipse of 1764.
This is what is known as an annular eclipse, from the Latin word annulus, which means a ring.
In 1567 there was an annular eclipse visible at Rome on April 9.
|annular eclipse |
See under eclipse.