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C/2021 T4 (Lemmon)


NASA/JPL elements
IAU/MPC elements


On 2021 Nov 08 04h08 UT by Jean-Louis Virlichie


(Copyright Jean-Louis Virlichie)

Nuclear magnitude (m2)19.4
m2 standard deviation0.2
Aperture radius used for m25.6 "
r (dist/Sun) 6.911 AU
d (dist/Earth) 5.944 AU
Right ascension03 41 37.09 h m s
Declination+10 05 18.4 ° ' "
MPC report
COD X03
CON Jean-Louis Virlichie [jl.virlichie@gmail.com]
OBS J. L. Virlichie, P. Traverse
MEA J. L. Virlichie
TEL 0.35-m f/4.7 Newtonian reflector + CCD
ACK MPCReport file updated 2021.11.08 18:28:16
AC2 jl.virlichie@gmail.com
NET Gaia DR2
    CK21T040  C2021 11 08.17231 03 41 37.09 +10 05 18.4          19.2 G      X03
    CK21T040 KC2021 11 08.18010 03 41 36.71 +10 05 15.6          19.4 G      X03
    CK21T040 KC2021 11 08.19793 03 41 35.83 +10 05 11.1          19.7 G      X03
    CK21T040  C2021 11 08.20574 03 41 35.49 +10 05 09.3          19.1 G      X03
Instrumental configurationConfig1
InstrumentONTC 355
Instrument typeNewton
Instrument aperture (0=naked eye)350 mm
Instrument focale length1645 mm
Instrument focale/diameter4.7
Filter(s)L
CameraMoravian G3 KAF 16200
SensorCCD
Sensor size27x21.6 mm2
Sensor pixels number4500x3600
Sensor temperature-20 °C
Binning2x2
MountSW EQ8
MotorizationNo
AutoguideYes
Exposure details8x3mn
Observatory MPC codeX03
LocationPoroto Chili
Reference stars catalogGaia DR2
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.4 "/pix
Observation submission date2021 Nov 08 19h56m21s
Observation modification date2021 Nov 08 20h01m58s

(Record n° 24323)

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