29P/Schwassmann-Wachmann (Record n° 24274)
Perihelion distance : 5.8 AU
Inclination to ecliptic : 9 °
Orbital period : 14.91 years
Eccentricity : 0.04
NASA/JPL elements
IAU/MPC elements
On 2021 Oct 28 22h21 UT by Nicolas Biver
(Copyright Nicolas Biver)Coma Total magnitude (m1) 10.8 Aperture radius for m1 2 ' Magnitude (MPC m2) 14.2 Aperture radius for m2 6 " Coma diameter 3.9 ' Coma condensation degree
(DC) 3 r (dist/Sun) 5.925 AU d (dist/Earth) 5.152 AU Right ascension 73.27646 ° Declination +32.25556 ° Instrumental configuration Config1 Instrument Dobson 407mm F/D 4.3 Instrument type Newton Instrument aperture (0=naked eye) 407 mm Instrument focale length 1750 mm Filter None Camera SONY alpha7S Sensor DC Sensor size 36*24 mm2 Sensor pixels number 4240*2832 Sensor temperature 10 °C Binning 2x2 Mount dobson sur table equatoriale JMI Motorization Yes Autoguide No Exposure total time 97.6 s Exposure details 22*1.3+18*2.5+12*2.0s Sky transparency (naked eye max mag) 6 Seeing 2 Moon phase 140 ° Moon elongation 90 ° Air mass 1.4 Location Boulonville Reference stars catalog (ast) APASS Used softwares IRIS Resulting picture sampling (scale) 2 "/pix Image processing binning, flat, alignement, somme Observation submission date 2021 Nov 01 20h05m29s