C/2017 B3 (LINEAR) (Record n° 18993)
NASA/JPL elements
IAU/MPC elements
On 2018 Mar 30 06h24 UT by Thierry Noel
(Copyright Thierry Noel)Nuclear magnitude (m2) 15.8 m2 standard deviation 0.3 Aperture radius used for m2 6.4 " r (dist/Sun) 4.730 AU d (dist/Earth) 4.191 AU Right ascension 13 45 56.71 h m s Declination -65 11 46.1 ° ' " 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/5.4 Ritchey-Chretien + CCD
COM Aperture radius for m2 : 6.4"
ACK MPCReport file updated 2018.03.30 16:19:29
AC2 thierrynoel38a@free.fr
NET Gaia DR1
CK17B030 C2018 03 30.26636 13 45 56.71 -65 11 46.1 16.0 N W96
CK17B030 C2018 03 30.30748 13 45 53.35 -65 12 08.0 15.5 N W96
Instrument Marcon RC 400 Instrument type Ritchey-Chretien Instrument aperture (0=naked eye) 400 mm Instrument focale length 2160 mm Instrument focale/diameter 5.4 Filter(s) None Camera QSI 532ws-M1 Sensor CCD Sensor temperature -15 °C Binning 2x2 Mount VMA 200 Autoguide No Exposure details 25x1mn Observatory MPC code W96 Location San Pedro de Atacama, Chile Reference stars catalog Gaia DR1
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.07 "/pix Image processing Prism (-dark, /flat), Astrometrica (add), Iris (levels, crop) Observation submission date 2018 Mar 30 16h21m40s Observation modification date 2018 Apr 06 10h30m57s