Comet17P/Holmes
UserGiuseppe Pappa
User`s nameGiuseppe Pappa
Observation's time (UT)2007-12-11 17:12:00
ToolNaked eye
Observation's placeMascalucia
Magnitude3.6
Comparison stars sourceNP - North Polar Sequence (publ. by the A.A.V.S.O.)
MethodI - Variable stars (without defocusing)
Coma diameter(')70
Tail's lengthNot set
Condensation1
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 Format2007 Dec 11.72 UT: m1=3.6, Dia.=70', DC=1...Naked Eye ...Giuseppe Pappa (Mascalucia, Italy)