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C/2018 Y1 (Iwamoto)

Orbital period : 1604.00 years

NASA/JPL elements
IAU/MPC elements


On 2019 Feb 13 01h35 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)9.9
Aperture radius used for m10.8 '
Nuclear magnitude (m2)12.1
m2 standard deviation0.1
Aperture radius used for m27.7 "
Coma diameter30 '
Tail length1 °
Afrho134 cm
Afrho error5 cm
Afrho URL for more infohttp://cara.uai.it/
r (dist/Sun) 1.290 AU
d (dist/Earth) 0.304 AU
Right ascension09 53 56.07 h m s
Declination+18 31 03.1 ° ' "
MPC report
COD A77
CON FRANCOIS KUGEL [fkugel@free.fr]
OBS C. Rinner, F. Kugel
MEA F. Kugel
TEL 0.28-m f/2.2 Schmidt-Cassegrain + CCD
ACK A77 2019.02.13 12:14:40
AC2 fkugel@free.fr
COM CCD ASI294MCpro, R Channel
COM Photometry aperture radius used for R m2 = 7.7 arcsec  (5 pixels, 1.54 arcsec/pix)
COM Photometry aperture radius used for T m1 = 0.8 arcmin (30 pixels, 1.54 arcsec/pix)
NET UCAC-4
    CK18Y010  C2019 02 13.06584 09 53 56.07 +18 31 03.1          12.0 R      A77
    CK18Y010  C2019 02 13.07028 09 53 49.17 +18 32 01.2          12.1 R      A77
    CK18Y010  C2019 02 13.07485 09 53 41.91 +18 33 00.9           9.9 T      A77
Instrumental configurationConfig7
Instrument typeSchmidt-Cassegrain
Instrument aperture (0=naked eye)280 mm
Instrument focale length616 mm
Instrument focale/diameter2.2
Filter(s)None
Cameraasi294MCpro
SensorCCD
Sensor pixels number4144x2822
Sensor temperature-25 °C
Binning1x1
Mount10MICRON
Exposure details36x10s
Observatory MPC codeA77
Reference stars catalogUCAC-4
Image resize factor0.3
Resulting picture sampling (scale)1.54 "/pix
Remarks or commentsmagnitudes from R channel
Observation submission date2019 Feb 13 12h28m48s
Observation modification date2019 Feb 14 07h23m07s

(Record n° 20517)

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