Home

C/2021 A1 (Leonard)


NASA/JPL elements
IAU/MPC elements


On 2021 Dec 03 04h42 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)9.4
Aperture radius used for m10.4 '
Nuclear magnitude (m2)12.9
m2 standard deviation0.8
Aperture radius used for m25.8 "
Afrho463 cm
Afrho error6 cm
r (dist/Sun) 0.902 AU
d (dist/Earth) 0.453 AU
Right ascension13 42 25.52 h m s
Declination+28 14 50.1 ° ' "
MPC report
COD A77
CON FRANCOIS KUGEL [fkugel@free.fr]
OBS F. Kugel
MEA F. Kugel
TEL 0.4-m f/2.8 reflector + CCD
ACK A77 file updated 2021.12.04 06:11:51
AC2 fkugel@free.fr
NET PPMXL
    CK21A010  C2021 12 03.19552 13 42 25.52 +28 14 50.1          13.4 V      A77
    CK21A010  C2021 12 03.19949 13 42 28.10 +28 14 36.3          11.6 V      A77
    CK21A010  C2021 12 03.21444 13 42 38.07 +28 13 45.3          13.5 V      A77
    CK21A010  C2021 12 03.22497 13 42 45.05 +28 13 08.0          13.4 V      A77
    CK21A010  C2021 12 03.22948 13 42 47.98 +28 12 51.9          11.9 V      A77
    CK21A010  C2021 12 03.23550 13 42 52.09 +28 12 29.6          13.3 V      A77
    CK21A010  C2021 12 03.24152 13 42 56.06 +28 12 09.4           9.4 T      A77
Instrumental configurationConfig2
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
Filter(s)None
CameraAtik460ex
SensorCCD
Sensor temperature-25 °C
MountMeade-MCMT-TDM
Exposure details5x3s
Observatory MPC codeA77
Reference stars catalogPPMXL
Image resize factor0.4
Resulting picture sampling (scale)0.83 "/pix
Remarks or commentsAfrho Vu(10000km)
Observation submission date2021 Dec 04 06h18m38s
Observation modification date2021 Dec 05 07h09m01s

(Record n° 24497)

Home