C/2021 A1 (Leonard) (Record n° 24466)
Perihelion distance : 0.61 AU
Inclination to ecliptic : 133 °
Eccentricity : 1
NASA/JPL elements
IAU/MPC elements
On 2021 Nov 30 06h05 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 8.5 Aperture radius for m1 3.4 ' Magnitude (MPC m2) 11.1 Magnitude standard deviation 0.0 Aperture radius for m2 34.05 " Coma diameter 6.8 ' r (dist/Sun) 0.946 AU d (dist/Earth) 0.558 AU Right ascension 198.73725 ° Declination +30.41836 ° MPC report COD A77
CON FRANCOIS KUGEL [fkugel@free.fr]
OBS F. Kugel
MEA F. Kugel
TEL 0.076-m f/2.5 Camera lens + DSLR
ACK A77 file updated 2021.11.30 11:34:20
AC2 fkugel@free.fr
COM Photometry aperture radius used for m2 = 34.05 arcsec (5 pixels, 6.81 arcsec/pix)
COM Photometry aperture radius used for m1 = 3.4 arcmin (30 pixels, 6.81 arcsec/pix)
NET USNO-SA2.0
CK21A010 C2021 11 30.25356 13 14 56.94 +30 25 06.1 11.1 V A77
CK21A010 C2021 11 30.25964 13 14 59.83 +30 24 53.7 11.1 V A77
CK21A010 C2021 11 30.26692 13 15 02.95 +30 24 41.4 8.5 T A77
Instrumental configuration Config7 Instrument type Camera lens Instrument aperture (0=naked eye) 76 mm Instrument focale length 194 mm Instrument focale/diameter 2.8 Filter None Camera 350D Sensor DC Binning 1x1 Mount Meade-MCMT-TDM Exposure total time 900 s Exposure details 30x30s Observatory MPC code A77 Reference stars catalog (ast) USNO-SA2.0
Resulting picture sampling (scale) 6.81 "/pix Observation submission date 2021 Nov 30 12h02m59s Observation modification date 2021 Nov 30 12h06m16s