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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 Aug 11 01h45 UT by Nicolas Biver


(Copyright Nicolas Biver)

Coma Total magnitude (m1)13.4
Aperture radius for m10.58 '
Magnitude (MPC m2)14.7
Aperture radius for m25 "
Coma diameter1.1 '
Coma condensation degree (DC)6
Tail length0.10 °
Tail position angle (PA)248 °
r (dist/Sun) 1.574 AU
d (dist/Earth) 0.941 AU
Right ascension30.48292 °
Declination+7.66225 °
Instrumental configurationConfig1
InstrumentT 1000 mm F/D=3.0
Instrument typeNewton
Instrument aperture (0=naked eye)1000 mm
Instrument focale length3450 mm
FilterNone
CameraSony alpha7s
SensorDC
Sensor size36x24 mm2
Sensor pixels number4240x2832
Sensor temperature10 °C
Binning2x2
MountTelescope de D.Vernet suivi altaz
MotorizationYes
AutoguideNo
Exposure total time126 s
Picture exposure details8x5s+2x10s+11x6s
Sky transparency (naked eye max mag)6
Seeing3
Moon phase160 °
Moon elongation110 °
Air mass2.0
LocationValdrome - Astrociel
Reference stars catalog (ast)APASS
Used softwaresIRIS
Resulting picture sampling (scale)2 "/pix
Image processingbinning,alignement stellaire, alignement comète,somme,retrait gradient
Remarks or commentsfocale donnée derrière un paracorr x1.15
Observation submission date2021 Aug 19 19h38m44s
Observation modification date2021 Aug 19 19h41m27s

(Record n° 23838)

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