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C/2017 T1 (Heinze)

Date of perihelion passage : 2018-2-21.7087
Perihelion distance : 0.580575 AU
Inclination to ecliptic : 96.8353 °
Eccentricity : 1.000082

NASA/JPL elements, ephemeris and orbit diagram
IAU/MPC elements and ephemeris


On 2017 Dec 28 03h25 UT by Nicolas Biver


(Copyright Nicolas Biver)

Coma Total magnitude (m1)11.5
Aperture radius used for m11.5 '
Nuclear magnitude (m2)14.1
Aperture radius used for m26.0 "
Coma diameter3.0 '
Coma condensation degree (DC)5
Tail length0.1 °
Tail position angle (PA)230 °
r (dist/Sun) 1.277 AU
d (dist/Earth) 0.317 AU
Right ascension08 18 24.3 h m s
Declination+27 18 25 ° ' "
Instrumental configurationConfig1
InstrumentDobson 407mm F/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 size36x24 mm2
Sensor pixels number4240x2820
Binning2x2
MountDobson
TrackingNo
AutoguideNo
Exposure total time33.6 s
Exposure details33/4+46/3+20/2 sec.
Sky transparency (naked eye max mag)5
Seeing3
Moon phase80 °
Air mass1.2
LocationCrespières
Reference stars catalogNOMAD
Photometry|Astrometry softwareIRIS
Resulting picture sampling (scale)2.0 "/pix
Image processing17*1/4s + 16*1/4s + 15*1/3s + 15*1/3s + 16*1/3s + 10*1/2s + 10*1/2s recalées sur la comète (après retrait gradient)
Observation submission date2017 Dec 28 16h34m34s

(Record n° 18709)

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