64P/Swift-Gehrels (Record n° 19516)
Orbital period : 9.40 years
NASA/JPL elements
IAU/MPC elements
On 2018 Aug 16 00h21 UT by Nicolas Biver
(Copyright Nicolas Biver)Coma Total magnitude (m1) 13.8 Aperture radius used for m1 0.75 ' Nuclear magnitude (m2) 15.7 Aperture radius used for m2 6.0 " Coma diameter 1.5 ' Coma condensation degree
(DC) 5 r (dist/Sun) 1.681 AU d (dist/Earth) 0.811 AU Right ascension 00 06 33.75 h m s Declination +14 28 02 ° ' " 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 Instrument focale/diameter 4.29 Filter(s) None Camera Sony alpha 7s Sensor DC Sensor size 36x24 mm2 Sensor pixels number 4240x2832 Sensor temperature 15 °C Binning 2x2 Mount Dosbson sur table equatoriale JMI Motorization Yes Autoguide No Exposure total time 66 s Exposure details 6*2s+12*2.5s+6*4s Sky transparency (naked eye max mag) 6 Seeing 3 Air mass 2 Location Station de Valdrome / astrociel Reference stars catalog GSC (HST) Used softwares IRIS Resulting picture sampling (scale) 2.0 "/pix Image processing alignement, somme, retrait gradient Observation submission date 2018 Aug 17 18h18m22s