C/2018 Y1 (Iwamoto) (Record n° 20517)
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 m1 0.8 ' Nuclear magnitude (m2) 12.1 m2 standard deviation 0.1 Aperture radius used for m2 7.7 " Coma diameter 30 ' Tail length 1 ° Afrho 134 cm Afrho error 5 cm Afrho URL for more info http://cara.uai.it/ r (dist/Sun) 1.290 AU d (dist/Earth) 0.304 AU Right ascension 09 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 configuration Config7 Instrument type Schmidt-Cassegrain Instrument aperture (0=naked eye) 280 mm Instrument focale length 616 mm Instrument focale/diameter 2.2 Filter(s) None Camera asi294MCpro Sensor CCD Sensor pixels number 4144x2822 Sensor temperature -25 °C Binning 1x1 Mount 10MICRON Exposure details 36x10s Observatory MPC code A77 Reference stars catalog UCAC-4
Image resize factor 0.3 Resulting picture sampling (scale) 1.54 "/pix Remarks or comments magnitudes from R channel Observation submission date 2019 Feb 13 12h28m48s Observation modification date 2019 Feb 14 07h23m07s