C/2018 A3 (ATLAS) (Record n° 19266)
Orbital period : 8678.00 years
NASA/JPL elements
IAU/MPC elements
On 2018 Jun 22 21h51 UT by Patrick Ditz
(Copyright Patrick Ditz)Nuclear magnitude (m2) 17.5 m2 standard deviation 0.1 Aperture radius used for m2 7.5 " r (dist/Sun) 3.795 AU d (dist/Earth) 4.237 AU Right ascension 10 25 41.86 h m s Declination +34 59 35.7 ° ' " MPC report COD K97
CON P. Ditz [patrick.ditz@wanadoo.fr]
OBS P. Ditz
MEA P. Ditz
TEL 0.20-m f/7.45 reflector + CCD
ACK MPCReport C/2018 A3 2018/06/22
AC2 patrick.ditz@wanadoo.fr
NET UCAC-4
CK18A030 C2018 06 22.91013 10 25 41.86 +34 59 35.7 17.4 N K97
CK18A030 C2018 06 22.91607 10 25 41.76 +34 59 34.7 17.5 N K97
Instrumental configuration Config1 Instrument T200 F/D 7.45 Instrument type Newton Instrument aperture (0=naked eye) 200 mm Instrument focale length 1490 mm Instrument focale/diameter 7.45 Filter(s) L Camera ATIK 460 EX Sensor CCD Sensor size 12.5x10.0 mm2 Sensor pixels number 2749x2199 Sensor temperature -18 °C Binning 2x2 Mount VMA300 Exposure total time 840 s Exposure details 7x120s Moon phase 45 ° Moon elongation 66 ° Air mass 2.3 Observatory MPC code K97 Location 67130 Freconrupt Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.26 "/pix Image processing PRISM Remarks or comments Conditions d'observation très difficile: Lune + comète basse sur l'horizon Observation submission date 2018 Jun 23 11h46m47s Observation modification date 2018 Jun 23 11h50m19s