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C/2021 A1 (Leonard)


NASA/JPL elements
IAU/MPC elements


On 2021 Nov 23 04h49 UT by Patrick Delay


(Copyright Patrick Delay)

Coma Total magnitude (m1)10.9
Aperture radius used for m10.4 '
Nuclear magnitude (m2)12.7
m2 standard deviation0.0
Aperture radius used for m26 "
r (dist/Sun) 1.051 AU
d (dist/Earth) 0.810 AU
Right ascension12 37 36.63 h m s
Declination+32 38 49.1 ° ' "
MPC report
COD X00
CON P. Delay [patrick78-50@orange.fr]
OBS P. Delay
MEA P. Delay
TEL 0.102-m f/6.3 Refractor + 600D
ACK MPCReport file updated 2021.12.01 16:38:28
AC2 patrick78-50@orange.fr
NET UCAC-4
    CK21A010  C2021 11 23.20059 12 37 36.70 +32 38 46.8          12.7 V      X00
    CK21A010  C2021 11 23.20059 12 37 36.74 +32 38 46.7          12.7 V      X00
    CK21A010  C2021 11 23.20059 12 37 36.74 +32 38 46.7          12.7 V      X00
    CK21A010  C2021 11 23.20059 12 37 36.74 +32 38 46.7          12.7 V      X00
Instrumental configurationConfig3
Instrument102/650 ED
Instrument typeRefractor
Instrument aperture (0=naked eye)102 mm
Instrument focale length667 mm
Instrument focale/diameter6.3
Cameracanon 600D
SensorDC
Sensor size22.3x14.9 mm2
Sensor pixels number5202x3464
Sensor temperature10 °C
Binning1x1
MountAZ-EQ6
MotorizationYes
AutoguideYes
Exposure details50*60s
Sky transparency (naked eye max mag)5
Seeing3
Moon phase41 °
Moon elongation55 °
Observatory MPC codeX00
Locationorcemont 78125 FR
Reference stars catalogUCAC-4
Used softwaresASTROMETRICA
Resulting picture sampling (scale)1.33 "/pix
Image processingpixinsight
Observation submission date2021 Dec 01 16h51m26s
Observation modification date2021 Dec 08 11h11m28s

(Record n° 24483)

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