C/2021 T4 (Lemmon) (Record n° 26338)
NASA/JPL elements
IAU/MPC elements
On 2022 Nov 19 18h24 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 16 m2 standard deviation 0.1 Aperture radius used for m2 5.8 " r (dist/Sun) 3.529 AU d (dist/Earth) 2.728 AU Right ascension 01 36 38.29 h m s Declination -10 36 10.4 ° ' " 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 2022.11.20 12:00:37
AC2 JGBosch@free.fr
NET UCAC-4
CK21T040 KC2022 11 19.76661 01 36 38.29 -10 36 10.4 15.8 R A77
CK21T040 KC2022 11 19.76753 01 36 38.16 -10 36 10.9 16.1 R A77
CK21T040 KC2022 11 19.76844 01 36 38.14 -10 36 11.8 16.1 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 15x60s 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 Nov 20 12h05m00s Observation modification date 2022 Nov 20 13h39m54s