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C/2017 K2 (PANSTARRS)

Perihelion distance : 1.8 AU
Inclination to ecliptic : 88 °
Eccentricity : 1

NASA/JPL elements
IAU/MPC elements


On 2022 May 06 01h11 UT by Nicolas Biver


(Copyright Nicolas Biver)

Coma Total magnitude (m1)10.5
Aperture radius for m11.5 '
Magnitude (MPC m2)13.4
Aperture radius for m26 "
Coma diameter2.7 '
Coma condensation degree (DC)5
Tail length0.12 °
Tail position angle (PA)340 °
Afrho6340 cm
Afrho error200 cm
r (dist/Sun) 3.266 AU
d (dist/Earth) 2.710 AU
Right ascension277.5 °
Declination+10 °
Instrumental configurationConfig1
InstrumentDobson 407mm F/D 4.3
Instrument typeNewton
Instrument aperture (0=naked eye)407 mm
Instrument focale length1750 mm
FilterNone
CameraSONY alpha7S
SensorDC
Sensor size36*24 mm2
Sensor pixels number4240*2832
Sensor temperature8 °C
Binning2x2
Mountdobson sur table equatoriale JMI
MotorizationYes
AutoguideNo
Exposure total time94.5 s
Exposure details10X2.5S+36X2S
Sky transparency (naked eye max mag)5.5
Seeing2
Moon phase45 °
Moon elongation180 °
Air mass1.4
LocationBoulonville
Reference stars catalog (ast)APASS
Used softwaresIRIS
Resulting picture sampling (scale)2 "/pix
Image processingbinning,flat, alignemet, somme, retrait gradient
Remarks or commentsAfrho calculé sur 40s de pose RAW couche R
Observation submission date2022 May 09 11h00m19s

(Record n° 25542)

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