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C/2020 R4 (ATLAS)

Orbital period : 974.10 years

NASA/JPL elements
IAU/MPC elements


On 2021 Apr 22 21h06 UT by Arnaud Leroy


(Copyright Arnaud Leroy)

Nuclear magnitude (m2)13.3
m2 standard deviation0.2
r (dist/Sun) 1.328 AU
d (dist/Earth) 0.466 AU
Right ascension16 25 48.58 h m s
Declination+27 32 52.0 ° ' "
MPC report
COD Z97
CON Arnaud Leroy 37 rue Albert Mattar 77400 Carnetin , France
CON [arnaudastro@yahoo.fr]
CON OPERA
OBS A.Leroy R.Montaigut
MEA A.Leroy
TEL 0.200-m f/3.7 Newton + ATIK 314L+
NET UCAC 4
ACK batch
    CK20R040  C2021 04 22.87915 16 25 48.58 +27 32 52.0          13.4 N      Z97
    CK20R040  C2021 04 22.88124 16 25 46.22 +27 33 03.7          13.0 N      Z97
    CK20R040  C2021 04 22.88333 16 25 43.84 +27 33 15.1          13.2 N      Z97
    CK20R040  C2021 04 22.88541 16 25 41.48 +27 33 26.9          13.1 N      Z97
    CK20R040  C2021 04 22.88749 16 25 39.10 +27 33 38.4          13.2 N      Z97
    CK20R040  C2021 04 22.89169 16 25 34.31 +27 34 02.1          13.2 N      Z97
    CK20R040  C2021 04 22.89379 16 25 31.96 +27 34 13.8          13.4 N      Z97
    CK20R040  C2021 04 22.89587 16 25 29.60 +27 34 25.0                      Z97
    CK20R040  C2021 04 22.89795 16 25 27.20 +27 34 36.8          13.4 N      Z97
    CK20R040  C2021 04 22.90003 16 25 24.83 +27 34 48.5          13.6 N      Z97
Instrumental configurationConfig2
InstrumentT200 F/D3.7
Instrument typeNewton
Instrument aperture (0=naked eye)200 mm
Instrument focale length740 mm
Instrument focale/diameter3.7
Filter(s)L
CameraATIK314L+
SensorCCD
Sensor size8.8*6.3 mm2
Sensor pixels number1392*1040
Sensor temperature-10 °C
Binning1x1
MountAZEQ6
MotorizationYes
AutoguideYes
Exposure details97*15s
Observatory MPC codeZ97
LocationSAINT-PALAIS (33)
Reference stars catalogUCAC 4
Used softwaresPRISM
Resulting picture sampling (scale)1.76 "/pix
Observation submission date2021 Apr 23 18h11m45s
Observation modification date2021 Apr 23 18h12m48s

(Record n° 23270)

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