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C/2018 W2 (Africano)

Perihelion distance : 1.46 AU
Inclination to ecliptic : 117 °
Eccentricity : 1

NASA/JPL elements
IAU/MPC elements


On 2019 Sep 23 19h26 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)9.4
Aperture radius for m12.5 '
Magnitude (MPC m2)13.1
Magnitude standard deviation0.1
Aperture radius for m224.65 "
Coma diameter6.5 '
r (dist/Sun) 1.475 AU
d (dist/Earth) 0.515 AU
Right ascension6.38721 °
Declination+25.3615 °
MPC report
COD A77
CON FRANCOIS KUGEL [fkugel@free.fr]
OBS A. Klotz ; F. Kugel ; J. Caron
MEA F. Kugel
TEL 0.076-m f/2.5 Camera lens + CCD
ACK A77 file updated 2019.09.24 08:15:57
AC2 fkugel@free.fr
COM CCD ZWO294mc No filter
COM Photometry aperture radius used for m2 = 24.65 arcsec (5 pixels, 4.93 arcsec/pix)
NET USNO-SA2.0
    CK18W020 KC2019 09 23.80989 00 25 32.93 +25 21 41.4          13.2 V      A77
    CK18W020 KC2019 09 23.81434 00 25 30.92 +25 20 54.3          13.1 V      A77
    CK18W020 KC2019 09 23.81880 00 25 28.36 +25 20 07.2          13.0 V      A77
Instrumental configurationConfig5
Instrument typeCamera lens
Instrument aperture (0=naked eye)76 mm
Instrument focale length190 mm
Instrument focale/diameter2.5
FilterNone
Camerazwo294mc pro
SensorCCD
Sensor temperature-20 °C
Binning1x1
MountMeade-MCMT
Exposure details33x30s
Observatory MPC codeA77
Reference stars catalog (ast)USNO-SA2.0
Image resize factor1
Resulting picture sampling (scale)4.93 "/pix
Observation submission date2019 Sep 24 08h28m50s
Observation modification date2019 Sep 24 17h33m18s

(Record n° 21049)

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