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C/2017 O1 (ASASSN)

Orbital period : 6932.00 years

NASA/JPL elements
IAU/MPC elements


On 2017 Oct 15 03h11 UT by Patrick Ditz


(Copyright Patrick Ditz)

Nuclear magnitude (m2)15.2
m2 standard deviation0.1
Aperture radius used for m27.5 "
Coma diameter7 '
Tail length0.41 °
Tail position angle (PA)239 °
r (dist/Sun) 1.499 AU
d (dist/Earth) 0.721 AU
Right ascension04 41 49.74 h m s
Declination+51 16 08.5 ° ' "
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 2017/10/15
AC2 patrick.ditz@wanadoo.fr
NET UCAC-4
    CK17O010  C2017 10 15.13263 04 41 49.74 +51 16 08.5          15.2 N      K97
    CK17O010  C2017 10 15.13988 04 41 50.17 +51 16 38.5          15.2 N      K97
    CK17O010  C2017 10 15.15210 04 41 50.88 +51 17 29.0          15.1 N      K97
Instrumental configurationConfig1
InstrumentT200 F/D 7.4
Instrument typeNewton
Instrument aperture (0=naked eye)200 mm
Instrument focale length1480 mm
Instrument focale/diameter7.4
Filter(s)L
CameraATIK 460 EX
SensorCCD
Sensor size12.5x10.0 mm2
Sensor pixels number2749x2199
Sensor temperature-15 °C
Binning2x2
MountVMA300
Exposure total time1720 s
Exposure details43 x40 s
Moon phase139 °
Moon elongation71 °
Air mass1.0
Observatory MPC codeK97
Location67130 Freconrupt
Reference stars catalogUCAC-4
Used softwaresPRISM
Image resize factor0.728
Resulting picture sampling (scale)1.26 "/pix
Image processingPRISM
Remarks or commentsLa longueur de la queue cométaire peut être supérieure à celle donnée ici, car elle va jusqu'au bord du champ.
Observation submission date2017 Oct 18 11h56m38s
Observation modification date2017 Oct 18 12h13m02s

(Record n° 18386)

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