Before the Mo5n was almoft altogether immerfed into the Sha- 
dow of the Earth , there appear'd not any fenfible Light in the 
part Eclipfed, as well by reafonot the brightnefs of the other 
part yet remaining to be darkened , as of fome little Mift then 
being about the Moon. But that Mift being difpelled, the Moon 
totally Eclipfed looked of a colour red-brown. The Eaftern 
part, which was obfcured firft, appear'd at fir ft more duskifli 
than theo^her, audits blackntG increafed according as the Moon 
entred more and more into the Shadow of the Earthy but a while 
after, the fame blacknefs paf: d to the other fide of the Moon , fo 
that the Weftern part became in its turn co be of a redilh colour, 
browner and darker ihan the other. 
At 8 7*. the Limb that is about the Spot Grimaldi^ and which 
was then next the Horizon, began to clear up : Which made one of 
the Obfervcrs believe, that it was the beginning of theEmerfion* 
But, the whitenefs of this Limb not being then yet great enough, 
the two other Obfervers judged this return of Clearnefs a little 
later, the one at 8 A. 8'. and the other at 8 9'. 30'; Yet having 
in the fequel , a regard to the time of the difcovery of the 
firft Spots that cameafcer , they all efteemed the firft Emerfion to 
have been at S h, 8'. And this fliews what is to be cxpefled from 
the Eelipfes of the Moon for the determination of the Longitudes/ 
when the Obfervers do content themfelves barely to remark the 
beginningand theendof theEclipfe. 
During the greateft Obfcurati >n, viz, at jk 21'. the Southern 
Limb of the Moon was come clofe tea fmall Star, of the number 
of thofc that cannot be feen without a Tdefcope^ which was 
compar'd with the Moon , by taking its diftances from the Moon 
and the Shadow before the total Immerfion , and afterward until 
the firft Immerfion ; with a defign , by means thereof to find the 
Parallax of the Moon. A little after the beginning of the Emer- 
fion, x^/^ at 8 h.<)\2d\ another Star, yet lefs than theformer, came 
out at thedarkeft fide, almoft over againft the Spot L^/z^rm/j ; 
which place was taken but to be near fo , becaufe then they could 
difcern nothing in that part , though they faw well enough the 
whole contour or compafs of the Moon. 
Laftlv, at 9 9*. 40''. all the three Obfc^rvers agreed, that the 
Moon Chen came out of the Shadow ; but there remained a Pen*' 
^i^w^r^e, which lafted for fometime after. 
The 
