C/2018 W2 (Africano) (Record n° 21049)
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 m1 2.5 ' Magnitude (MPC m2) 13.1 Magnitude standard deviation 0.1 Aperture radius for m2 24.65 " Coma diameter 6.5 ' r (dist/Sun) 1.475 AU d (dist/Earth) 0.515 AU Right ascension 6.38721 ° 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 configuration Config5 Instrument type Camera lens Instrument aperture (0=naked eye) 76 mm Instrument focale length 190 mm Instrument focale/diameter 2.5 Filter None Camera zwo294mc pro Sensor CCD Sensor temperature -20 °C Binning 1x1 Mount Meade-MCMT Exposure details 33x30s Observatory MPC code A77 Reference stars catalog (ast) USNO-SA2.0
Image resize factor 1 Resulting picture sampling (scale) 4.93 "/pix Observation submission date 2019 Sep 24 08h28m50s Observation modification date 2019 Sep 24 17h33m18s