C/2017 M4 (ATLAS) (Record n° 19234)
NASA/JPL elements
IAU/MPC elements
On 2018 Jun 15 21h22 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) 3.840 AU d (dist/Earth) 3.368 AU Right ascension 18 07 32.04 h m s Declination +45 48 28.0 ° ' " 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 2018.06.16 16:22:49
AC2 marc.deldem@free.fr
NET UCAC-4
CK17M040 KC2018 06 15.89022 18 07 32.04 +45 48 28.0 15.5 R K22
CK17M040 KC2018 06 15.90567 18 07 30.03 +45 48 21.9 15.4 R K22
CK17M040 KC2018 06 15.91716 18 07 28.52 +45 48 17.3 15.5 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 2100 s Exposure details 35x1mn Air mass 1.11 Observatory MPC code K22 Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.13 "/pix Image processing DDP Remarks or comments Nouveau PC d'acquisition, j'ai oublié de désactiver la mise en veille de Windaube qui s'est déclenchée au bout de 30 minutes une fois que je suis parti me coucher... Observation submission date 2018 Jun 16 16h34m54s Observation modification date 2018 Jun 16 16h41m38s