Home

C/2021 A1 (Leonard)


NASA/JPL elements
IAU/MPC elements


On 2021 Nov 20 04h58 UT by Francois Kugel


(Copyright Francois Kugel)

Coma Total magnitude (m1)10.1
Aperture radius used for m10.4 '
Nuclear magnitude (m2)12.8
m2 standard deviation0.1
Aperture radius used for m25.8 "
Afrho778 cm
r (dist/Sun) 1.098 AU
d (dist/Earth) 0.917 AU
Right ascension12 27 36.09 h m s
Declination+33 07 35.2 ° ' "
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 2021.11.20 07:22:57
AC2 fkugel@free.fr
NET USNO-B1.0
    CK21A010  C2021 11 20.20660 12 27 36.09 +33 07 35.2          10.1 T      A77
    CK21A010  C2021 11 20.21714 12 27 38.01 +33 07 29.7          12.7 I      A77
    CK21A010  C2021 11 20.22687 12 27 39.71 +33 07 24.9          12.8 I      A77
Instrumental configurationConfig2
Instrument typeNewton
Instrument aperture (0=naked eye)400 mm
Instrument focale length1120 mm
Instrument focale/diameter2.8
Filter(s)IR pro
CameraAtik460ex
SensorCCD
Sensor temperature-20 °C
Binning1x1
MountMeade-MCMT-TDM
Exposure details25x60s
Observatory MPC codeA77
Reference stars catalogUSNO-B1.0
Image resize factor0.364
Resulting picture sampling (scale)0.83 "/pix
Remarks or commentsAfrho (2500km)
Observation submission date2021 Nov 20 07h28m18s
Observation modification date2021 Nov 21 06h40m35s

(Record n° 24412)

Home