21P/Giacobini-Zinner (Record n° 19547)
Orbital period : 6.54 years
NASA/JPL elements
IAU/MPC elements
On 2018 Aug 22 20h34 UT by Francois Kugel
(Copyright Francois Kugel)Coma Total magnitude (m1) 8.6 Aperture radius used for m1 1.3 ' Nuclear magnitude (m2) 10.5 m2 standard deviation 0.3 Aperture radius used for m2 17.9 " Afrho 780 cm Afrho error 23 cm Afrho URL for more info http://cara.uai.it/ r (dist/Sun) 1.050 AU d (dist/Earth) 0.450 AU Right ascension 03 50 14.89 h m s Declination +59 31 35.7 ° ' " MPC report COD A77
CON FRANCOIS KUGEL [fkugel@wanadoo.fr]
OBS F. Kugel
MEA F. Kugel
TEL 0.20-m f/2 Schmidt-Cassegrain + CCD
ACK MPCReport file updated 2018.08.23 16:50:57
AC2 fkugel@wanadoo.fr
NET USNO-SA2.0
0021P C2018 08 22.85698 03 50 14.89 +59 31 35.7 10.2 R A77
0021P C2018 08 22.85992 03 50 16.49 +59 31 26.1 10.7 R A77
0021P C2018 08 22.86450 03 50 19.18 +59 31 09.3 8.6 T A77
Instrumental configuration Config4 Instrument type Schmidt-Cassegrain Instrument aperture (0=naked eye) 200 mm Instrument focale length 400 mm Instrument focale/diameter 2 Filter(s) R (RGB) Camera asi294MCpro Sensor CCD Sensor temperature -15 °C Binning 1x1 Mount Meade MCMT Exposure total time 60 s Exposure details 2x30s Air mass 2.8 Observatory MPC code A77 Reference stars catalog USNO-SA2.0
Image resize factor 1 Resulting picture sampling (scale) 2.274 "/pix Remarks or comments Test Afrho with new CCD color ZWO ASI294MCpro. R channel. Observation submission date 2018 Aug 23 18h08m05s Observation modification date 2018 Aug 23 18h54m08s