C/2017 O1 (ASASSN) (Record n° 18358)
Orbital period : 6932.00 years
NASA/JPL elements
IAU/MPC elements
On 2017 Sep 25 01h35 UT by Patrick Ditz
(Copyright Patrick Ditz)Nuclear magnitude (m2) 15.4 m2 standard deviation 0.1 Aperture radius used for m2 7.5 " Coma diameter 7.3 ' Tail length 0.27 ° Tail position angle
(PA) 241 ° r (dist/Sun) 1.524 AU d (dist/Earth) 0.806 AU Right ascension 04 16 40.74 h m s Declination +28 49 58.9 ° ' " 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/2017O1 2017/09/25
AC2 patrick.ditz@wanadoo.fr
NET UCAC-4
CK17O010 C2017 09 25.06616 04 16 40.74 +28 49 58.9 15.5 N K97
CK17O010 C2017 09 25.07385 04 16 41.35 +28 50 27.3 15.4 N K97
CK17O010 C2017 09 25.08461 04 16 42.20 +28 51 06.6 15.4 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 1769 s Exposure details 29x61s Air mass 1.1 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 Observation submission date 2017 Oct 14 11h53m39s Observation modification date 2017 Oct 14 12h04m30s