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C/2017 M4 (ATLAS)


NASA/JPL elements
IAU/MPC elements


On 2018 Jun 15 21h22 UT by Marc Deldem


(Copyright Marc Deldem)

Nuclear magnitude (m2)15.5
m2 standard deviation0.1
Aperture radius used for m26.8 "
r (dist/Sun) 3.840 AU
d (dist/Earth) 3.368 AU
Right ascension18 07 32.04 h m s
Declination+45 48 28.0 ° ' "
MPC report
COD K22
CON M. Deldem [marc.deldem@free.fr]
OBS M. Deldem
MEA M. Deldem
TEL 0.20-m f/10 Schmidt-Cassegrain + CCD + f/7.4 focal reducer
ACK MPCReport file updated 2018.06.16 16:22:49
AC2 marc.deldem@free.fr
NET UCAC-4
    CK17M040 KC2018 06 15.89022 18 07 32.04 +45 48 28.0          15.5 R      K22
    CK17M040 KC2018 06 15.90567 18 07 30.03 +45 48 21.9          15.4 R      K22
    CK17M040 KC2018 06 15.91716 18 07 28.52 +45 48 17.3          15.5 R      K22
InstrumentC8
Instrument typeSchmidt-Cassegrain
Instrument aperture (0=naked eye)200 mm
Instrument focale length1640 mm
Instrument focale/diameter8.1
Filter(s)None
CameraSBIG ST8-XME
SensorCCD
Sensor size13.8x9.2 mm2
Sensor pixels number1530x1020
Sensor temperature-15 °C
Binning1x1
MountG11
MotorizationYes
AutoguideYes
Exposure total time2100 s
Exposure details35x1mn
Air mass1.11
Observatory MPC codeK22
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.13 "/pix
Image processingDDP
Remarks or commentsNouveau PC d'acquisition, j'ai oublié de désactiver la mise en veille de Windaube qui s'est déclenchée au bout de 30 minutes une fois que je suis parti me coucher...
Observation submission date2018 Jun 16 16h34m54s
Observation modification date2018 Jun 16 16h41m38s

(Record n° 19234)

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