C/2021 A4 (NEOWISE) (Record n° 23051)
Orbital period : 281.90 years
NASA/JPL elements
IAU/MPC elements
On 2021 Mar 10 20h03 UT by Jean-Paul Desgrees
(Copyright Jean-Paul Desgrees)Nuclear magnitude (m2) 15.1 m2 standard deviation 0.0 Aperture radius used for m2 7 " r (dist/Sun) 1.157 AU d (dist/Earth) 0.896 AU Right ascension 04 19 30.56 h m s Declination +04 19 21.0 ° ' " MPC report COD XXX
COM Long. 6 22 25.7 W, Lat. 38 07 32.2 N, Alt. 495m
CON J. P. Desgrees [jpaul-astro28@sfr.fr]
OBS J. P. Desgrees
MEA J. P. Desgrees
TEL 0.12-m f/7.0 refractor + CCD
ACK MPCReport file updated 2021.03.12 17:15:35
AC2 jpaul-astro28@sfr.fr
NET UCAC-4
CK21A040 C2021 03 10.83513 04 19 30.56 +04 19 21.0 15.15V XXX
CK21A040 C2021 03 10.83727 04 19 30.48 +04 19 14.4 15.16V XXX
CK21A040 C2021 03 10.85668 04 19 29.50 +04 18 14.4 15.19V XXX
CK21A040 C2021 03 10.85881 04 19 29.40 +04 18 07.7 15.19V XXX
Instrumental configuration Config1 Instrument Takahashi TSA120 Instrument type Refractor Instrument aperture (0=naked eye) 120 mm Instrument focale length 840 mm Instrument focale/diameter 7.0 Filter(s) L Camera QHY 163M Sensor CCD Sensor size 17.7x13.4 mm2 Sensor pixels number 4579x3500 Sensor temperature -20 °C Binning 2x2 Mount AZ-EQ6 Motorization No Autoguide Yes Exposure total time 180 s Exposure details 4x3mn Observatory MPC code XXX Location FREGENAL DE LA SIERRA ESPAGNE Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Image resize factor 0.9 Resulting picture sampling (scale) 0.9 "/pix Observation submission date 2021 Mar 12 17h44m50s Observation modification date 2021 Mar 12 17h46m29s