C/2018 W2 (Africano) (Record n° 20918)
NASA/JPL elements
IAU/MPC elements
On 2019 Aug 25 00h58 UT by Thierry Noel
(Copyright Thierry Noel)Nuclear magnitude (m2) 14.8 m2 standard deviation 0.2 Aperture radius used for m2 7.4 " r (dist/Sun) 1.464 AU d (dist/Earth) 1.157 AU Right ascension 03 44 15.46 h m s Declination +56 51 24.9 ° ' " 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"
COM Aperture radius for m1 : 0.9'
ACK MPCReport file updated 2019.08.25 14:47:46
AC2 thierrynoel38a@free.fr
NET UCAC-4
CK18W020 C2019 08 25.04029 03 44 15.46 +56 51 24.9 14.6 R B83
CK18W020 C2019 08 25.04855 03 44 13.81 +56 51 19.9 14.7 R B83
CK18W020 C2019 08 25.05843 03 44 11.83 +56 51 13.9 15.1 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 25x1mn 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 (gradient, levels, ddp, crop) Observation submission date 2019 Aug 25 14h52m13s Observation modification date 2019 Aug 25 18h10m31s