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64P/Swift-Gehrels

Orbital period : 9.40 years

NASA/JPL elements
IAU/MPC elements


On 2018 Aug 16 00h21 UT by Nicolas Biver


(Copyright Nicolas Biver)

Coma Total magnitude (m1)13.8
Aperture radius used for m10.75 '
Nuclear magnitude (m2)15.7
Aperture radius used for m26.0 "
Coma diameter1.5 '
Coma condensation degree (DC)5
r (dist/Sun) 1.681 AU
d (dist/Earth) 0.811 AU
Right ascension00 06 33.75 h m s
Declination+14 28 02 ° ' "
Instrumental configurationConfig1
InstrumentDobson T407mm 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 alpha 7s
SensorDC
Sensor size36x24 mm2
Sensor pixels number4240x2832
Sensor temperature15 °C
Binning2x2
MountDosbson sur table equatoriale JMI
MotorizationYes
AutoguideNo
Exposure total time66 s
Exposure details6*2s+12*2.5s+6*4s
Sky transparency (naked eye max mag)6
Seeing3
Air mass2
LocationStation de Valdrome / astrociel
Reference stars catalogGSC (HST)
Used softwaresIRIS
Resulting picture sampling (scale)2.0 "/pix
Image processingalignement, somme, retrait gradient
Observation submission date2018 Aug 17 18h18m22s

(Record n° 19516)

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