C/2017 B3 (LINEAR) (Record n° 23777)
NASA/JPL elements
IAU/MPC elements
On 2021 Aug 11 23h45 UT by Dominique Boust
(Copyright Dominique Boust)Nuclear magnitude (m2) 18.3 m2 standard deviation 0.2 Aperture radius used for m2 5.8 " r (dist/Sun) 8.273 AU d (dist/Earth) 7.748 AU Right ascension 00 45 36.37 h m s Declination +21 34 32.8 ° ' " 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 2021.08.13 11:39:47
AC2 dboust@orange.fr
NET NOMAD
CK17B030 C2021 08 11.98966 00 45 36.37 +21 34 32.8 18.1 V A77
CK17B030 C2021 08 11.99292 00 45 36.36 +21 34 34.2 18.6 V A77
CK17B030 C2021 08 11.99697 00 45 36.22 +21 34 33.0 18.0 V A77
CK17B030 C2021 08 12.00102 00 45 36.26 +21 34 34.2 18.3 V A77
CK17B030 C2021 08 12.00507 00 45 36.10 +21 34 34.6 18.2 V A77
CK17B030 C2021 08 12.00912 00 45 36.05 +21 34 38.0 18.4 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) Clear Camera ATIK460ex Sensor CCD Sensor size 12.5x10 mm2 Sensor pixels number 2750x2200 Sensor temperature -10 °C Binning 1x1 Autoguide No Exposure details 30x60s Observatory MPC code A77 Reference stars catalog NOMAD
Used softwares ASTROMETRICA Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2021 Aug 13 15h30m56s Observation modification date 2021 Aug 13 15h33m17s