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C/2021 T4 (Lemmon)


NASA/JPL elements
IAU/MPC elements


On 2023 Jul 03 08h30 UT by Herve Roy


(Copyright Herve Roy)

Nuclear magnitude (m2)14.6
m2 standard deviation0.1
Aperture radius used for m25.6 "
r (dist/Sun) 1.537 AU
d (dist/Earth) 0.846 AU
Right ascension23 58 47.35 h m s
Declination-31 08 42.7 ° ' "
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 2023.07.05 00:22:20
AC2 roy-nee@wanadoo.fr
NET Gaia DR2
    CK21T040 KC2023 07 03.35445 23 58 47.35 -31 08 42.7          14.6 G      X03
    CK21T040 KC2023 07 03.36743 23 58 43.86 -31 09 39.0          14.5 G      X03
    CK21T040 KC2023 07 03.37408 23 58 42.05 -31 10 07.8          14.6 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 details5x0.75mn
Moon phase0 °
Observatory MPC codeX03
LocationMonte Patria Chili
Reference stars catalogGaia DR2
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.39 "/pix
Remarks or commentsPleine Lune
Observation submission date2023 Jul 04 22h39m17s
Observation modification date2023 Jul 04 22h44m20s

(Record n° 27201)

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