C/2021 T4 (Lemmon) (Record n° 26185)
NASA/JPL elements
IAU/MPC elements
On 2022 Oct 21 07h24 UT by Pierre Traverse
(Copyright Pierre Traverse)Nuclear magnitude (m2) 16 m2 standard deviation 0.0 Aperture radius used for m2 6 " r (dist/Sun) 3.813 AU d (dist/Earth) 2.862 AU Right ascension 02 33 06.99 h m s Declination -04 42 48.3 ° ' " MPC report COD X03
CON P. Traverse [pierre.traverse@orange.fr]
OBS J. L. Virlichie, P. Traverse, H. Roy, G. Houdin
MEA P. Traverse
TEL 0.35-m f/4.7 Newtonian reflector + CCD
ACK MPCReport file updated 2022.10.25 19:34:26
AC2 pierre.traverse@orange.fr
NET Gaia DR2
CK21T040 KC2022 10 21.30800 02 33 06.99 -04 42 48.3 16.0 G X03
CK21T040 KC2022 10 21.32029 02 33 05.67 -04 42 58.2 16.0 G X03
CK21T040 KC2022 10 21.33413 02 33 04.19 -04 43 09.2 16.0 G X03
Instrumental configuration Config1 Instrument ONTC 355mm Instrument type Newton Instrument aperture (0=naked eye) 350 mm Instrument focale length 1645 mm Instrument focale/diameter 4.7 Filter(s) L Camera Moravian G3-16200 Sensor CCD Sensor pixels number 4540x3640 Sensor temperature -20 °C Binning 2x2 Mount SW EQ8 Motorization No Autoguide Yes Exposure details 25x120s Observatory MPC code X03 Location Monte Patria Chili Reference stars catalog Gaia DR2
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.4 "/pix Observation submission date 2022 Oct 25 19h41m17s Observation modification date 2022 Oct 25 19h42m26s