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C/2018 A3 (ATLAS)

Orbital period : 8678.00 years

NASA/JPL elements
IAU/MPC elements


On 2018 Apr 20 22h39 UT by Patrick Ditz


(Copyright Patrick Ditz)

Nuclear magnitude (m2)17.5
m2 standard deviation0.1
Aperture radius used for m27.5 "
Coma diameter0.23 '
Tail length0.008 °
Tail position angle (PA)135 °
r (dist/Sun) 4.111 AU
d (dist/Earth) 3.480 AU
Right ascension11 11 24.33 h m s
Declination+31 58 11.4 ° ' "
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 file updated 2018.04.21 14:59:48
AC2 patrick.ditz@wanadoo.fr
NET UCAC-4
    CK18A030  C2018 04 20.94362 11 11 24.33 +31 58 11.4          17.6 N      K97
    CK18A030  C2018 04 20.96568 11 11 22.46 +31 58 22.4          17.5 N      K97
    CK18A030  C2018 04 20.98407 11 11 20.87 +31 58 31.8          17.3 N      K97
Instrumental configurationConfig1
InstrumentT200 F/D 7.45
Instrument typeNewton
Instrument aperture (0=naked eye)200 mm
Instrument focale length1490 mm
Instrument focale/diameter7.45
Filter(s)L
CameraATIK 460 EX
SensorCCD
Sensor size12.5x10.0 mm2
Sensor pixels number2749x2199
Sensor temperature-12.6 °C
Binning2x2
MountVMA300
Exposure total time3500 s
Exposure details35x100s
Moon phase130 °
Moon elongation65 °
Air mass1.1
Observatory MPC codeK97
Location67130 Freconrupt
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.26 "/pix
Image processingPRISM
Remarks or commentsUne faible queue cométaire est visible
Observation submission date2018 Apr 21 15h17m10s
Observation modification date2018 Apr 21 15h24m10s

(Record n° 19067)

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