74P/Smirnova-Chernykh (Record n° 19055)
Orbital period : 9.19 years
NASA/JPL elements
IAU/MPC elements
On 2018 Apr 19 21h13 UT by Patrick Ditz
(Copyright Patrick Ditz)Nuclear magnitude (m2) 16.9 m2 standard deviation 0.1 Aperture radius used for m2 7.5 " Coma diameter 0.45 ' Tail length 0.13 ° Tail position angle
(PA) 291 ° r (dist/Sun) 3.548 AU d (dist/Earth) 2.748 AU Right ascension 11 22 28.74 h m s Declination +13 13 16.5 ° ' " MPC report COD K97
CON P. Ditz [patrick.ditz@wanadoo.fr]
OBS P. Ditz
MEA P. Ditz
TEL 0.20-m f/7.45 reflector + CCD
ACK MPCReport 74P 2018/04/19
AC2 patrick.ditz@wanadoo.fr
NET UCAC-4
0074P C2018 04 19.88387 11 22 28.74 +13 13 16.5 17.0 N K97
0074P C2018 04 19.90629 11 22 28.35 +13 13 16.1 16.9 N K97
0074P C2018 04 19.93133 11 22 27.88 +13 13 15.2 16.9 N K97
Instrumental configuration Config1 Instrument T200 F/D 7.45 Instrument type Newton Instrument aperture (0=naked eye) 200 mm Instrument focale length 1490 mm Instrument focale/diameter 7.45 Filter(s) L Camera ATIK 460 EX Sensor CCD Sensor size 12.5x10.0 mm2 Sensor pixels number 2749x2199 Sensor temperature -13 °C Binning 2x2 Mount VMA300 Exposure total time 3000 s Exposure details 25x120s Moon phase 148 ° Moon elongation 87 ° Air mass 1.2 Observatory MPC code K97 Location 67130 Freconrupt Reference stars catalog UCAC-4
Used softwares ASTROMETRICA Resulting picture sampling (scale) 1.26 "/pix Image processing PRISM Remarks or comments Queue cométaire relativement importante mais très ténue. Observation submission date 2018 Apr 20 13h58m52s Observation modification date 2018 Apr 20 14h02m10s