C/2018 W2 (Africano) (Record n° 20911)
NASA/JPL elements
IAU/MPC elements
On 2019 Aug 24 02h02 UT by Thierry Noel
(Copyright Thierry Noel)Nuclear magnitude (m2) 14.7 m2 standard deviation 0.1 Aperture radius used for m2 7.4 " r (dist/Sun) 1.466 AU d (dist/Earth) 1.183 AU Right ascension 03 47 20.89 h m s Declination +57 01 04.4 ° ' " MPC report COD B83
CON Thierry NOEL [thierrynoel38a@free.fr]
OBS T. Noel
MEA T. Noel
TEL 0.20-m f/5.0 Newtonian reflector + CCD
COM Aperture radius for m2 : 7.4"
ACK MPCReport file updated 2019.08.24 14:37:03
AC2 thierrynoel38a@free.fr
NET UCAC-4
CK18W020 C2019 08 24.08495 03 47 20.89 +57 01 04.4 14.7 R B83
CK18W020 C2019 08 24.09080 03 47 19.76 +57 01 01.0 14.6 R B83
CK18W020 C2019 08 24.09740 03 47 18.54 +57 00 57.2 14.9 R B83
Instrument GSO JMLecleire Instrument type Newton Instrument aperture (0=naked eye) 200 mm Instrument focale length 1000 mm Instrument focale/diameter 5.0 Filter(s) None Camera SBIG ST7-XME Sensor CCD Sensor size 6.9x4.6 mm2 Sensor pixels number 765x510 Sensor temperature -10 °C Binning 1x1 Mount Atlas-EQG Autoguide Yes Exposure details 18x1mn Sky transparency (naked eye max mag) 4.5 Observatory MPC code B83 Location Gières 38610 France Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.85 "/pix Image processing Astrometrica (-dark, /flat, add), Iris (levels, crop) Observation submission date 2019 Aug 24 14h45m41s Observation modification date 2019 Aug 24 14h53m28s