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C/2018 Y1 (Iwamoto)

Orbital period : 1604.00 years

NASA/JPL elements
IAU/MPC elements


On 2019 Jan 25 07h51 UT by Thierry Noel


(Copyright Thierry Noel)

Coma Total magnitude (m1)12
Aperture radius used for m10.56 '
Nuclear magnitude (m2)14.3
m2 standard deviation0.1
Aperture radius used for m26.7 "
r (dist/Sun) 1.301 AU
d (dist/Earth) 0.781 AU
Right ascension13 39 11.91 h m s
Declination-18 43 48.4 ° ' "
MPC report
COD W96
CON Thierry Noel [thierrynoel38a@free.fr]
OBS A. Maury, J.-B. de Vanssay, T. Noel
MEA T. Noel
TEL 0.4-m f/5 Ritchey-Chretien + CCD
COM Aperture radius for m1 : 0.56'
COM Aperture radius for m2 : 6.7"
ACK MPCReport file updated 2019.01.25 17:37:24
AC2 thierrynoel38a@free.fr
NET Gaia DR2
    CK18Y010  C2019 01 25.32729 13 39 11.91 -18 43 48.4          14.3 G      W96
    CK18Y010  C2019 01 25.35241 13 39 06.34 -18 43 01.0          12.0 T      W96
    CK18Y010  C2019 01 25.37793 13 39 00.69 -18 42 12.7          14.2 G      W96
InstrumentMarcon RC 400
Instrument typeRitchey-Chretien
Instrument aperture (0=naked eye)400 mm
Instrument focale length2000 mm
Instrument focale/diameter5
CameraAPOGEE
SensorCCD
Sensor temperature-25 °C
Binning2x2
MountVMA 200
AutoguideNo
Exposure details126x30s
Observatory MPC codeW96
LocationSan Pedro de Atacama, Chile
Reference stars catalogGaia DR2
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.12 "/pix
Image processingPrism (-dark, /flat), Astrometrica (add), Iris (levels, ddp, crop)
Observation submission date2019 Jan 25 17h39m51s
Observation modification date2019 Jan 25 17h49m10s

(Record n° 20452)

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