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C/2018 C2 (Lemmon)


NASA/JPL elements
IAU/MPC elements


On 2018 Apr 21 01h48 UT by Thierry Noel


(Copyright Thierry Noel)

Nuclear magnitude (m2)16.4
m2 standard deviation0.1
Aperture radius used for m27.4 "
r (dist/Sun) 2.024 AU
d (dist/Earth) 1.279 AU
Right ascension15 08 43.79 h m s
Declination+41 09 34.3 ° ' "
MPC report
COD B83
CON Thierry NOEL [thierrynoel38a@free.fr]
OBS T. Noel
MEA T. Noel
TEL 0.20-m f/5.0 Newtonian reflector + CCD
COM Aperture radius for m2 : 7.4"
ACK MPCReport file updated 2018.04.21 09:13:41
AC2 thierrynoel38a@free.fr
NET UCAC-4
    CK18C020 KC2018 04 21.07490 15 08 43.79 +41 09 34.3          16.4 N      B83
    CK18C020 KC2018 04 21.08619 15 08 43.38 +41 09 29.7          16.2 N      B83
    CK18C020 KC2018 04 21.09747 15 08 42.98 +41 09 25.9          16.5 N      B83
InstrumentGSO JMLecleire
Instrument typeNewton
Instrument aperture (0=naked eye)200 mm
Instrument focale length1000 mm
Instrument focale/diameter5.0
Filter(s)None
CameraSBIG ST7-XME
SensorCCD
Sensor temperature-10 °C
Binning1x1
MountAtlas-EQG
AutoguideNo
Exposure details100x30s
Observatory MPC codeB83
LocationGières 38610 France
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.85 "/pix
Image processingAstrometrica (-dark, /flat, (add), Iris (gradient, levels, crop)
Observation submission date2018 Apr 21 09h14m59s
Observation modification date2018 Apr 21 10h33m42s

(Record n° 19065)

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