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67P/Churyumov-Gerasimenko

Orbital period : 6.42 years

NASA/JPL elements
IAU/MPC elements


On 2021 Nov 01 00h31 UT by Nicolas Biver


(Copyright Nicolas Biver)

Coma Total magnitude (m1)9.5
Aperture radius used for m12.5 '
Coma diameter5 '
Coma condensation degree (DC)5
Tail length0.25 °
Tail position angle (PA)280 °
r (dist/Sun) 1.211 AU
d (dist/Earth) 0.422 AU
Right ascension07 17 19.7 h m s
Declination+26 17 34 ° ' "
Instrumental configurationConfig1
InstrumentDobson 407mm F/D 4.3
Instrument typeNewton
Instrument aperture (0=naked eye)407 mm
Instrument focale length1750 mm
Instrument focale/diameter4.29
Filter(s)None
CameraSONY alpha7S
SensorDC
Sensor size36*24 mm2
Sensor pixels number4240*2832
Sensor temperature10 °C
Binning4x4
Mountdobson sur table equatoriale JMI
MotorizationYes
AutoguideNo
Exposure total time27.4 s
Exposure details18*1.3s+2*2.0s
Sky transparency (naked eye max mag)6
Seeing1
Moon phase155 °
Moon elongation90 °
Air mass1.7
LocationBoulonville
Reference stars catalogAPASS
Used softwaresIRIS
Resulting picture sampling (scale)4 "/pix
Image processingbinning, flat, alignement, somme, retrait gradient
Remarks or commentsvent tempêtueux, suivi pourri, vibration trop fortes (PSF ~ 14")
Observation submission date2021 Nov 01 20h13m35s
Observation modification date2021 Nov 01 20h19m17s

(Record n° 24276)

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