C/2018 W2 (Africano) (Record n° 21133)
Perihelion distance : 1.46 AU
Inclination to ecliptic : 117 °
Eccentricity : 1
NASA/JPL elements
IAU/MPC elements
On 2019 Sep 30 09h00 UT by Jean-Benoit de Vanssay
(Copyright Jean-Benoit de Vanssay)Coma Total magnitude (m1) 10.1 Aperture radius for m1 2.55 ' Magnitude (MPC m2) 13 Magnitude standard deviation 0.1 Aperture radius for m2 9 " Tail length 0.43 ° r (dist/Sun) 1.495 AU d (dist/Earth) 0.501 AU Right ascension 353.34621 ° Declination +5.28583 ° MPC report COD XXX
CON J. B. de Vanssay, Observatoire de Kula - Haleakala [jbdv@club-internet.fr]
OBS J. B. de Vanssay
MEA J. B. de Vanssay
TEL 0.067-m f/2.0 reflector + CCD
ACK MPCReport file updated 2019.10.03 22:16:14
AC2 jbdv@club-internet.fr
NET USNO-SA2.0
CK18W020 C2019 09 30.37504 23 33 23.09 +05 17 09.0 13.0 R XXX
CK18W020 C2019 09 30.39136 23 33 16.37 +05 14 10.0 13.1 R XXX
CK18W020 C2019 09 30.41932 23 33 03.95 +05 09 02.2 12.9 R XXX
Instrument 67mm Instrument type Camera lens Instrument aperture (0=naked eye) 67 mm Instrument focale length 134 mm Instrument focale/diameter 2.0 Filter None Camera Canon 40D Sensor CCD Binning 1x1 Mount G8 Motorization No Autoguide No Exposure total time 1560 s Exposure details 26x1min Sky transparency (naked eye max mag) 6 Observatory MPC code XXX Location Kula - MAUI - USA Reference stars catalog (ast) USNO-SA2.0
Used softwares ASTROMETRICA Resulting picture sampling (scale) 9.05 "/pix Observation submission date 2019 Oct 04 10h24m22s Observation modification date 2019 Oct 11 11h39m33s