CometC/1797 P1 (Bouvard-Herschel)
UserMaskelyne
User`s nameNevil Maskelyne
Observation's time (UT)1797-08-19 00:00
Toolnaked eye
Observation's placeRoyal Observatory, Greenwich
Magnitude6:
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=6:...Naked Eye ...Nevil Maskelyne (Royal Observatory, Greenwich, England)