C/2017 M4 (ATLAS) (Record n° 24473)
NASA/JPL elements
IAU/MPC elements
On 2021 Nov 30 06h17 UT by Jean-Louis Virlichie
(Copyright Jean-Louis Virlichie)Nuclear magnitude (m2) 19.7 m2 standard deviation 0.2 Aperture radius used for m2 5.6 " r (dist/Sun) 9.189 AU d (dist/Earth) 9.156 AU Right ascension 07 55 55.73 h m s Declination -58 19 46.2 ° ' " MPC report COD X03
CON Jean-Louis Virlichie [jl.virlichie@gmail.com]
OBS J. L. Virlichie, P. Traverse
MEA J. L. Virlichie
TEL 0.35-m f/4.7 Newtonian reflector + CCD
ACK MPCReport file updated 2021.11.30 14:24:42
AC2 jl.virlichie@gmail.com
NET Gaia DR2
CK17M040 KC2021 11 30.26211 07 55 55.73 -58 19 46.2 19.7 G X03
CK17M040 KC2021 11 30.27116 07 55 55.32 -58 19 47.9 20.0 G X03
CK17M040 KC2021 11 30.28203 07 55 54.76 -58 19 50.2 19.5 G X03
Instrumental configuration Config1 Instrument ONTC 355 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 KAF 16200 Sensor CCD Sensor size 27x21.6 mm2 Sensor pixels number 4500x3600 Sensor temperature -20 °C Binning 2x2 Mount SW EQ8 Motorization No Autoguide Yes Exposure details 5x5mn Observatory MPC code X03 Location Poroto Chili Reference stars catalog Gaia DR2
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.4 "/pix Observation submission date 2021 Nov 30 14h42m20s Observation modification date 2021 Nov 30 14h44m46s