C/2018 U1 (Lemmon) (Record n° 23546)
NASA/JPL elements
IAU/MPC elements
On 2021 Jul 01 21h43 UT by Dominique Boust
(Copyright Dominique Boust)Nuclear magnitude (m2) 15.6 m2 standard deviation 0.1 Aperture radius used for m2 5.8 " r (dist/Sun) 5.085 AU d (dist/Earth) 4.172 AU Right ascension 17 03 40.97 h m s Declination -05 28 07.7 ° ' " MPC report COD A77
CON D. Boust, Dauban observatory [dboust@orange.fr]
OBS D. Boust
MEA D. Boust
TEL 0.4-m f/2.8 reflector + CCD
ACK MPCReport file updated 2021.07.03 17:27:14
AC2 dboust@orange.fr
NET NOMAD
CK18U010 C2021 07 01.90463 17 03 40.97 -05 28 07.7 15.5 V A77
CK18U010 C2021 07 01.90613 17 03 40.88 -05 28 08.6 15.6 V A77
CK18U010 C2021 07 01.90764 17 03 40.75 -05 28 09.3 15.6 V A77
CK18U010 C2021 07 01.91366 17 03 40.38 -05 28 12.3 15.6 V A77
CK18U010 C2021 07 01.91516 17 03 40.26 -05 28 13.3 15.5 V A77
Instrument T400 Instrument type Newton Instrument aperture (0=naked eye) 400 mm Instrument focale length 1120 mm Instrument focale/diameter 2.8 Filter(s) None Camera ATIK 460ex Sensor CCD Sensor size 12.5x10.0 mm2 Sensor pixels number 2750x2200 Sensor temperature -10 °C Binning 1x1 Motorization No Autoguide No Exposure total time 1800 s Exposure details 30x60s Seeing 3 Observatory MPC code A77 Location A77 Reference stars catalog NOMAD
Used softwares ASTROMETRICA Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2021 Jul 04 15h14m09s Observation modification date 2021 Jul 21 16h19m53s