CometC/1797 P1 (Bouvard-Herschel)
UserLalande
User`s nameJoseph Jérôme Lefrançois de Lalande
Observation's time (UT)1797-08-19 00:00
ToolNaked eye
Observation's placeParis
Magnitude[5.5
Comparison stars source
Method
Coma diameter(')Not set
Tail's lengthNot set
Condensation
Positional angle of tailNot set
Bortl's scaleNot set
Aperture cm
Focal length (mm)Not set
Type of toolE - Naked eye
MagnificationNot set
Field of view (°)Not set
SQM-L in zenithNot set
Light pollution zone
LmNot set
Comment
Morris Format1797 Aug 19. UT: m1=[5.5...Naked Eye ...Joseph Jérôme Lefrançois de Lalande (Paris, France)