260P/McNaught (Record n° 20948)
Perihelion distance : 1.42 AU
Inclination to ecliptic : 15 °
Orbital period : 6.9 years
Eccentricity : 0.61
NASA/JPL elements
IAU/MPC elements
On 2019 Aug 30 03h19 UT by Nicolas Biver
(Copyright Nicolas Biver)Coma Total magnitude (m1) 12.5 Aperture radius for m1 0.65 ' Magnitude (MPC m2) 13.9 Aperture radius for m2 6 " Coma diameter 1 ' Coma condensation degree
(DC) 7 Tail length 0.1 ° Tail position angle
(PA) 247 ° r (dist/Sun) 1.422 AU d (dist/Earth) 0.636 AU Right ascension 33.89625 ° Declination +19.95556 ° Instrumental configuration Config1 Instrument Dobson T407mm F/D 4.3 Instrument type Newton Instrument aperture (0=naked eye) 407 mm Instrument focale length 1750 mm Filter None Camera Sony alpha 7s Sensor DC Sensor size 36x24 mm2 Sensor pixels number 4240x2832 Sensor temperature 9 °C Binning 2x2 Mount Dobson sur Table equatoriale JMI Motorization Yes Autoguide No Exposure total time 74 s Picture exposure details 4x6+10x2+10x3s Sky transparency (naked eye max mag) 6 Seeing 4 Moon phase 180 ° Air mass 1.1 Location Boulonville (28) Reference stars catalog (ast) GSC (HST) Used softwares IRIS Resulting picture sampling (scale) 2 "/pix Image processing alignement somme retrait gradient Observation submission date 2019 Sep 01 19h49m40s