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4P/Faye

Orbital period : 7.48 years

NASA/JPL elements
IAU/MPC elements


On 2021 Dec 30 23h23 UT by Nicolas Biver


(Copyright Nicolas Biver)

Coma Total magnitude (m1)11.3
Aperture radius used for m11.3 '
Nuclear magnitude (m2)13.9
Aperture radius used for m26 "
Coma diameter2.5 '
Coma condensation degree (DC)5
Tail length0.08 °
Tail position angle (PA)287 °
r (dist/Sun) 1.966 AU
d (dist/Earth) 1.001 AU
Right ascension06 35 04.75 h m s
Declination+07 21 59 ° ' "
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
Binning2x2
Mountdobson sur table equatoriale JMI
MotorizationYes
AutoguideNo
Exposure total time46.4 s
Exposure details8x2s+19x1.6s
Sky transparency (naked eye max mag)5.5
Seeing4
Moon phase140 °
Moon elongation180 °
Air mass1.37
LocationBoulonville
Reference stars catalogAPASS
Used softwaresIRIS
Resulting picture sampling (scale)2 "/pix
Image processingbinning, flat, alignement, somme, retrait gradient
Observation submission date2022 Jan 02 19h18m32s

(Record n° 24723)

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