on the Planet Venus. 
20 9 
April 4, 1793. Correction of the clock, — 2' 45", 3. 
9 h 8'. There is no spot upon the disk of Venus. The horns 
are perfectly alike. 
Not the least appearance like the mountains of the moon. 
With 287, and 430, very distinct. 
April 5, 1793. Correction of the clock, — 2' 46^,7. 
8 h 25'. 7-feet reflector; power 215, 287, and 430. There 
are no spots upon Venus, by which its diurnal motion could 
be ascertained. The horns are exactly alike ; and no ine- 
quality, like the mountains of the moon, is visible. 
April 6, 1793. Correction of the clock, — 2' 48",!. 
9 h 29'. With the 7-feet reflector ; power 430. There is no 
kind of spot visible in any part of the disk. The two horns 
are exactly alike ; and no appearance of mountains can be 
perceived. 
April 7, 1793. Correction of the clock, — 2' 4 9", 6. 
9 h 8\ With the 7- feet reflector ; power 215, 287, 430, and 
860. I can see no spot upon the disk. Both horns are per- 
fectly alike. Nothing resembling the mountains upon the moon 
can be perceived. I see it beautifully well, and sharply defined. 
April 8,-1793. Correction of the clock, — 2' 51", o. 
9 h 2'. With the 10-feet reflector ; power 300, and 400 
There is no spot upon Venus. The shape of the two horns is 
perfectly alike, and no appearance of mountains can be per- 
ceived. The illumination of the horns is also perfectly alike. 
April 9, 1793. Correction of the clock, — 2' 52", 1. 
8 h 45'. With the 10-feet reflector ; power 300. No spot 
upon Venus. Both horns perfectly alike. No appearance of 
mountains. 
The light of Venus is brighter all around the limb, than on 
