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C/2021 E3 (ZTF)


NASA/JPL elements
IAU/MPC elements


On 2021 Oct 25 18h12 UT by Dominique Boust


(Copyright Dominique Boust)

Nuclear magnitude (m2)15.4
m2 standard deviation0.1
Aperture radius used for m25.8 "
r (dist/Sun) 3.284 AU
d (dist/Earth) 3.448 AU
Right ascension18 36 18.93 h m s
Declination+08 07 22.7 ° ' "
MPC report
COD A77
CON D. Boust, Dauban observatory [dboust@orange.fr]
OBS D. Boust
MEA D. Boust
TEL 0.4-m f/2.8 reflector + CCD
ACK MPCReport file updated 2021.10.26 20:12:33
AC2 dboust@orange.fr
NET NOMAD
    CK21E030  C2021 10 25.75865 18 36 18.93 +08 07 22.7          15.4 V      A77
    CK21E030  C2021 10 25.76016 18 36 18.95 +08 07 20.9          15.5 V      A77
    CK21E030  C2021 10 25.76169 18 36 18.96 +08 07 19.1          15.5 V      A77
    CK21E030  C2021 10 25.76322 18 36 18.95 +08 07 17.2          15.4 V      A77
    CK21E030  C2021 10 25.76473 18 36 19.02 +08 07 15.6          15.3 V      A77
InstrumentT400
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
Filter(s)None
CameraATIK460ex
SensorCCD
Sensor size12.5x10 mm2
Sensor pixels number2750x2200
Sensor temperature-15 °C
Binning1x1
AutoguideNo
Exposure total time840 s
Exposure details7x120s
Observatory MPC codeA77
Reference stars catalogNOMAD
Used softwaresASTROMETRICA
Resulting picture sampling (scale)0.83 "/pix
Observation submission date2021 Oct 26 20h24m30s
Observation modification date2021 Oct 26 20h26m58s

(Record n° 24259)

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