C/2017 M4 (ATLAS) (Record n° 19256)
NASA/JPL elements
IAU/MPC elements
On 2018 Jun 18 21h54 UT by Marc Deldem
(Copyright Marc Deldem)Nuclear magnitude (m2) 15.5 m2 standard deviation 0.1 Aperture radius used for m2 6.8 " r (dist/Sun) 3.826 AU d (dist/Earth) 3.343 AU Right ascension 18 00 56.10 h m s Declination +45 26 33.7 ° ' " MPC report COD K22
CON M. Deldem [marc.deldem@free.fr]
OBS M. Deldem
MEA M. Deldem
TEL 0.20-m f/10 Schmidt-Cassegrain + CCD + f/7.4 focal reducer
ACK MPCReport file updated 2018.06.21 21:39:20
AC2 marc.deldem@free.fr
NET UCAC-4
CK17M040 KC2018 06 18.91218 18 00 56.10 +45 26 33.7 15.5 R K22
CK17M040 KC2018 06 18.92818 18 00 53.99 +45 26 26.5 15.5 R K22
CK17M040 KC2018 06 18.96846 18 00 48.59 +45 26 07.2 15.4 R K22
Instrument C8 Instrument type Schmidt-Cassegrain Instrument aperture (0=naked eye) 200 mm Instrument focale length 1640 mm Instrument focale/diameter 8.1 Filter(s) None Camera SBIG ST8-XME Sensor CCD Sensor size 13.8x9.2 mm2 Sensor pixels number 1530x1020 Sensor temperature -15 °C Binning 1x1 Mount G11 Motorization Yes Autoguide Yes Exposure total time 3720 s Exposure details 62x1mn Air mass 1.03 Observatory MPC code K22 Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.13 "/pix Image processing DDP Observation submission date 2018 Jun 21 21h49m15s Observation modification date 2018 Jun 21 21h52m21s