C/2021 A4 (NEOWISE) (Record n° 23033)
Orbital period : 281.90 years
NASA/JPL elements
IAU/MPC elements
On 2021 Mar 07 18h57 UT by Jean-Gabriel Bosch
(Copyright Jean-Gabriel Bosch)Nuclear magnitude (m2) 14.6 m2 standard deviation 0.1 Aperture radius used for m2 5.8 " r (dist/Sun) 1.164 AU d (dist/Earth) 0.821 AU Right ascension 04 22 17.52 h m s Declination +07 11 04.0 ° ' " MPC report COD A77
CON J.-G. Bosch [JGBosch@free.fr]
OBS F. Kugel, J.-G.Bosch
MEA J.-G. Bosch
TEL 0.4-m f/2.8 reflector + CCD
ACK MPCReport file updated 2021.03.08 14:22:21
AC2 JGBosch@free.fr
NET UCAC-4
CK21A040 C2021 03 07.78933 04 22 17.52 +07 11 04.0 14.7 R A77
CK21A040 C2021 03 07.79722 04 22 16.99 +07 10 34.4 14.5 R A77
Instrument NEWTON 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 temperature -20 °C Binning 1x1 Mount Meade-MCMT-TDM Exposure details 18x30s Observatory MPC code A77 Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2021 Mar 08 14h31m49s Observation modification date 2021 Mar 08 14h39m45s