200P/Larsen (Record n° 20997)
Orbital period : 10.99 years
NASA/JPL elements
IAU/MPC elements
On 2019 Sep 12 02h38 UT by Francois Kugel
(Copyright Francois Kugel)Nuclear magnitude (m2) 20.6 m2 standard deviation 0.1 Aperture radius used for m2 5.8 " r (dist/Sun) 3.307 AU d (dist/Earth) 2.488 AU Right ascension 01 35 34.53 h m s Declination +20 25 42.3 ° ' " MPC report COD A77
CON FRANCOIS KUGEL [fkugel@free.fr]
OBS C. Rinner, F. Kugel
MEA F. Kugel
TEL 0.4-m f/2.8 reflector + CCD
ACK A77 file updated 2019.09.12 07:39:58
AC2 fkugel@free.fr
COM CCD ATIK 460EX No filter
COM Photometry aperture radius used for m2 = 5.8 arcsec (7 pixels, 0.83 arcsec/pix)
COM K18DO40 = Confirming cometary apearance : Coma condensed Broad Tail 0.7" PA 276
NET UCAC-4
0200P KC2019 09 12.10980 01 35 34.53 +20 25 42.3 20.5 V A77
0200P KC2019 09 12.12279 01 35 34.28 +20 25 40.2 20.6 V A77
0200P KC2019 09 12.13651 01 35 34.10 +20 25 39.2 20.7 V A77
Instrumental configuration Config2 Instrument type Newton Instrument aperture (0=naked eye) 400 mm Instrument focale length 1120 mm Instrument focale/diameter 2.8 Filter(s) None Camera Atik460ex Sensor CCD Sensor temperature -15 °C Binning 1x1 Mount Meade-MCMT-TDM Exposure details 26x120s Observatory MPC code A77 Reference stars catalog UCAC-4
Image resize factor 1 Resulting picture sampling (scale) 0.83 "/pix Observation submission date 2019 Sep 12 07h54m24s Observation modification date 2019 Sep 12 07h55m57s