C/2017 D2 (Barros) (Record n° 17749)
Orbital period : 5851.00 years
NASA/JPL elements
IAU/MPC elements
On 2017 May 31 06h55 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 16.9 m2 standard deviation 0.0 Aperture radius used for m2 6.2 " r (dist/Sun) 2.532 AU d (dist/Earth) 2.001 AU Right ascension 21 59 03.63 h m s Declination -39 46 48.8 ° ' " MPC report COD W96
CON Jean-Gabriel Bosch [JGBosch@free.fr]
OBS A. Maury, J.-B. de Vanssay, J.-G. Bosch
MEA J.-G.Bosch
TEL 0.4-m f/5.4 Ritchey-Chretien + CCD
ACK MPCReport file updated 2017.05.31 06:32:35
AC2 JGBosch@free.fr
NET UCAC-4
CK17D020 C2017 05 31.28826 21 59 03.63 -39 46 48.8 16.9 N W96
CK17D020 C2017 05 31.31743 21 59 04.95 -39 46 37.3 16.9 N W96
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 QHY Sensor CCD Sensor temperature -10 °C Binning 3x3 Mount VMA 200 Autoguide No Exposure details 45x60s Air mass 1.3 Observatory MPC code W96 Location San Pedro Atacama Chili Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.56 "/pix Observation submission date 2017 May 31 12h35m46s Observation modification date 2017 May 31 15h25m12s