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C/2017 S3 (PANSTARRS)


NASA/JPL elements
IAU/MPC elements


On 2018 Jul 26 02h43 UT by Nicolas Biver


(Copyright Nicolas Biver)

Coma Total magnitude (m1)9.5
Aperture radius used for m11.0 '
Nuclear magnitude (m2)13.1
Aperture radius used for m26.0 "
Coma diameter2 '
Coma condensation degree (DC)3
r (dist/Sun) 0.688 AU
d (dist/Earth) 0.930 AU
Right ascension06 00 31.2 h m s
Declination+49 33 56 ° ' "
Instrumental configurationConfig1
InstrumentDobson 407 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 temperature21 °C
Binning2x2
Mountdobson
MotorizationNo
AutoguideNo
Exposure total time11.5 s
Exposure details46x1/4s
Sky transparency (naked eye max mag)4
Seeing2
Moon phase19 °
Moon elongation150 °
Air mass2.1
LocationVersailles
Reference stars catalogGSC (HST)
Used softwaresIRIS
Resulting picture sampling (scale)2.07 "/pix
Image processingalignement, somme, retrait gradient
Remarks or commentsnord à gauche
Observation submission date2018 Jul 26 15h22m03s

(Record n° 19414)

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