C/2021 T4 (Lemmon) (Record n° 26479)
NASA/JPL elements
IAU/MPC elements
On 2022 Dec 11 18h17 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 16.1 m2 standard deviation 0.1 Aperture radius used for m2 5.8 " r (dist/Sun) 3.311 AU d (dist/Earth) 2.854 AU Right ascension 00 59 49.58 h m s Declination -13 03 48.6 ° ' " MPC report COD A77
CON J.-G. Bosch [JGBosch@free.fr]
OBS J.-G.Bosch
MEA J.-G. Bosch
TEL 0.4-m f/2.8 reflector + CCD
ACK MPCReport file updated 2022.12.12 11:45:19
AC2 JGBosch@free.fr
NET UCAC-4
CK21T040 C2022 12 11.76165 00 59 49.58 -13 03 48.6 16.1 R A77
CK21T040 C2022 12 11.76733 00 59 49.11 -13 03 50.3 16.1 R A77
CK21T040 C2022 12 11.77301 00 59 48.62 -13 03 51.7 16.0 R A77
Instrument type Newton Instrument aperture (0=naked eye) 400 mm Instrument focale length 1120 mm Instrument focale/diameter 2.8 Camera Atik 460ex Sensor CCD Sensor temperature -10 °C Binning 1x1 Mount Meade-MCMT-TDM Exposure details 15x1mn Observatory MPC code A77 Location Dauban A77 Reference stars catalog UCAC-4
Used softwares Astrometrica Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2022 Dec 12 11h58m38s Observation modification date 2022 Dec 12 12h31m35s