C/2017 M4 (ATLAS) (Record n° 18251)
NASA/JPL elements
IAU/MPC elements
On 2017 Sep 18 21h48 UT by Joel Nicolas
(Copyright Joel Nicolas)Nuclear magnitude (m2) 17.5 m2 standard deviation 0.0 Aperture radius used for m2 5.6 " r (dist/Sun) 5.463 AU d (dist/Earth) 5.289 AU Right ascension 18 35 55.00 h m s Declination +61 41 39.7 ° ' " MPC report COD A77
CON J. NICOLAS [nicolas.joel@wanadoo.fr]
OBS J. Nicolas
MEA J. Nicolas
TEL 0.41-m f/3.3 reflector + CCD
ACK MPCReport file updated 2017.09.19 19:14:22
AC2 nicolas.joel@wanadoo.fr
NET Gaia DR1
CK17M040 KC2017 09 18.90805 18 35 55.00 +61 41 39.7 17.5 N A77
CK17M040 KC2017 09 18.91386 18 35 54.77 +61 41 34.5 17.5 N A77
CK17M040 KC2017 09 18.92011 18 35 54.45 +61 41 28.7 17.5 N A77
Instrumental configuration Config1 Instrument type Newton Instrument aperture (0=naked eye) 410 mm Instrument focale length 1353 mm Instrument focale/diameter 3.3 Filter(s) None Camera ST8XME Sensor CCD Sensor temperature -25 °C Binning 1x1 Exposure total time 1260 s Exposure details 21*60s Air mass 1.22 Observatory MPC code A77 Location 04 Dauban Reference stars catalog Gaia DR1
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.4 "/pix Observation submission date 2017 Sep 19 19h18m47s Observation modification date 2017 Sep 19 19h21m26s