C/2018 C2 (Lemmon) (Record n° 19065)
NASA/JPL elements
IAU/MPC elements
On 2018 Apr 21 01h48 UT by Thierry Noel
(Copyright Thierry Noel)Nuclear magnitude (m2) 16.4 m2 standard deviation 0.1 Aperture radius used for m2 7.4 " r (dist/Sun) 2.024 AU d (dist/Earth) 1.279 AU Right ascension 15 08 43.79 h m s Declination +41 09 34.3 ° ' " 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 2018.04.21 09:13:41
AC2 thierrynoel38a@free.fr
NET UCAC-4
CK18C020 KC2018 04 21.07490 15 08 43.79 +41 09 34.3 16.4 N B83
CK18C020 KC2018 04 21.08619 15 08 43.38 +41 09 29.7 16.2 N B83
CK18C020 KC2018 04 21.09747 15 08 42.98 +41 09 25.9 16.5 N 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 temperature -10 °C Binning 1x1 Mount Atlas-EQG Autoguide No Exposure details 100x30s 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, crop) Observation submission date 2018 Apr 21 09h14m59s Observation modification date 2018 Apr 21 10h33m42s