C/2017 O1 (ASASSN) (Record n° 18419)
Orbital period : 6932.00 years
NASA/JPL elements
IAU/MPC elements
On 2017 Oct 17 03h31 UT by Patrick Ditz
(Copyright Patrick Ditz)Nuclear magnitude (m2) 15.2 m2 standard deviation 0.1 Aperture radius used for m2 7.5 " Coma diameter 6.3 ' Tail position angle
(PA) 236 ° r (dist/Sun) 1.499 AU d (dist/Earth) 0.720 AU Right ascension 04 43 57.59 h m s Declination +53 34 41.1 ° ' " MPC report COD K97
CON P. Ditz [patrick.ditz@wanadoo.fr]
OBS P. Ditz
MEA P. Ditz
TEL 0.20-m f/7.4 reflector + CCD
ACK Report C/2017 O1 2017/10/17
AC2 patrick.ditz@wanadoo.fr
NET UCAC-4
CK17O010 C2017 10 17.14622 04 43 57.59 +53 34 41.1 15.1 N K97
CK17O010 C2017 10 17.15640 04 43 58.13 +53 35 22.7 15.2 N K97
CK17O010 C2017 10 17.16714 04 43 58.75 +53 36 06.8 15.3 N K97
Instrumental configuration Config1 Instrument T200 F/D 7.4 Instrument type Newton Instrument aperture (0=naked eye) 200 mm Instrument focale length 1480 mm Instrument focale/diameter 7.4 Filter(s) L Camera ATIK 460 EX Sensor CCD Sensor size 12.5x10.0 mm2 Sensor pixels number 2749x2199 Sensor temperature -15 °C Binning 2x2 Mount VMA300 Exposure total time 2040 s Exposure details 51x40s Moon phase 179 ° Moon elongation 93 ° Air mass 1.0 Observatory MPC code K97 Location 67130 Freconrupt Reference stars catalog UCAC-4
Used softwares PRISM Image resize factor 0.728 Resulting picture sampling (scale) 1.26 "/pix Image processing PRISM Remarks or comments Différences photométriques: PRISM: 15.2 ASTROMETRICA:14.9 Observation submission date 2017 Oct 26 11h21m59s Observation modification date 2017 Oct 26 11h37m32s