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C/2021 T4 (Lemmon)


NASA/JPL elements
IAU/MPC elements


On 2022 Sep 26 08h14 UT by Herve Roy


(Copyright Herve Roy)

Nuclear magnitude (m2)16.5
m2 standard deviation0.1
Aperture radius used for m25.6 "
r (dist/Sun) 4.055 AU
d (dist/Earth) 3.284 AU
Right ascension03 09 28.43 h m s
Declination+00 31 59.0 ° ' "
MPC report
COD X03
CON H. Roy [roy-nee@wanadoo.fr]
OBS J. L. Virlichie, P. Traverse, H. Roy
MEA H. Roy
TEL 0.35-m f/4.7 Newtonian reflector + CCD
ACK MPCReport file updated 2022.10.02 00:30:33
AC2 roy-nee@wanadoo.fr
NET Gaia DR2
    CK21T040 KC2022 09 26.34321 03 09 28.43 +00 31 59.0          16.4 G      X03
    CK21T040 KC2022 09 26.35854 03 09 27.41 +00 31 48.7          16.6 G      X03
    CK21T040 KC2022 09 26.36522 03 09 26.94 +00 31 44.2          16.4 G      X03
Instrumental configurationConfig1
InstrumentONTC 350mm
Instrument typeNewton
Instrument aperture (0=naked eye)350 mm
Instrument focale length1645 mm
Instrument focale/diameter4.7
Filter(s)L
CameraMORAVIAN G3 16200
SensorCCD
Sensor pixels number3640x4540
Sensor temperature-20 °C
Binning2x2
MountSW EQ8
MotorizationNo
AutoguideYes
Exposure details38x2mn
Observatory MPC codeX03
LocationMonte Patria Chili
Reference stars catalogGaia DR2
Used softwaresAstrometrica
Resulting picture sampling (scale)1.39 "/pix
Observation submission date2022 Oct 02 00h43m43s
Observation modification date2022 Oct 04 22h46m55s

(Record n° 26055)

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