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67P/Churyumov-Gerasimenko

Perihelion distance : 1.21 AU
Inclination to ecliptic : 4 °
Orbital period : 6.43 years
Eccentricity : 0.65

NASA/JPL elements
IAU/MPC elements


On 2021 Sep 02 00h09 UT by Nicolas Biver


(Copyright Nicolas Biver)

Coma Total magnitude (m1)12.3
Aperture radius for m11 '
Magnitude (MPC m2)13.7
Aperture radius for m26 "
Coma diameter1.3 '
Coma condensation degree (DC)6
Tail length0.1 °
Tail position angle (PA)256 °
r (dist/Sun) 1.425 AU
d (dist/Earth) 0.702 AU
Right ascension46.57083 °
Declination+13.42778 °
Instrumental configurationConfig1
InstrumentDobson 407mm F/D 4.3
Instrument typeNewton
Instrument aperture (0=naked eye)407 mm
Instrument focale length1750 mm
FilterNone
CameraSONY alpha7S
SensorDC
Sensor size36*24 mm2
Sensor pixels number4240*2832
Sensor temperature13 °C
Binning2x2
Mountdobson sur table equatoriale JMI
MotorizationYes
AutoguideNo
Exposure total time162 s
Picture exposure details7*2.5s+34*2s+24*3.2s
Sky transparency (naked eye max mag)5.5
Seeing3
Moon phase135 °
Moon elongation50 °
Air mass2
LocationBoulonville
Reference stars catalog (ast)APASS
Used softwaresIRIS
Resulting picture sampling (scale)2 "/pix
Image processingbinning, flat, alignement, alignement comète, somme, retrait gradient
Observation submission date2021 Sep 04 23h52m30s

(Record n° 23903)

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