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71P/Clark

Orbital period : 5.56 years

NASA/JPL elements
IAU/MPC elements


On 2017 Jun 10 23h35 UT by Cyrille Calvet


(Copyright Cyrille Calvet )

Coma Total magnitude (m1)11.2
r (dist/Sun) 1.598 AU
d (dist/Earth) 0.590 AU
Instrumental configurationConfig1
InstrumentTS ED 110/770
Instrument typeRefractor
Instrument aperture (0=naked eye)110 mm
Instrument focale length770 mm
Instrument focale/diameter7
Filter(s)None
CameraZWO 1600ASI MC cooled
SensorCCD
Sensor size17.7 x 13.4 mm2
Sensor pixels number4656 x 3520 pixels
Sensor temperature-25 °C
Binning1x1
MountSW EQ6 progoto
MotorizationYes
AutoguideYes
Exposure total time1500 s
Exposure details5x5mn
Sky transparency (naked eye max mag)2
Seeing3
LocationTautavel 66720 France
Used softwaresMAXIMDL
Resulting picture sampling (scale)1.02 "/pix
Image processingdss
URL for more information or pictureshttp://astronomiecyrille.over-blog.com/2017/06/comete-71p/clark-nuit-du-10-11-juin-2017.html
Remarks or commentslune à 99.2%
Observation submission date2017 Jun 13 20h21m44s

(Record n° 17839)

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