DECEMBER EVENTS SUMMARY

Phenomena of the month : December 2018

Times are given in standard time for SCARBOROUGH (0° 25' 5" W, 54° 16' 30" N, zone UT).

Date Hour Description of the phenomenon
yyyy mm dd hh:mm

2018 12 01 17:49 Maximum of the variable star eta Aquilae
2018 12 03 01:09 Minimum of the variable star Algol (beta Persei)
2018 12 04 05:33 Opposition of the asteroid 128 Nemesis with the Sun (dist. to the Sun = 2.507 AU; magn. = 10.5)
2018 12 05 14:45 Maximum of the variable star delta Cephei
2018 12 05 21:58 Minimum of the variable star Algol (beta Persei)
2018 12 07 07:20 NEW MOON
2018 12 07 12:53 Opposition of the asteroid 433 Eros with the Sun (dist. to the Sun = 1.208 AU; magn. = 9.7)
2018 12 07 14:08 Close encounter between Mars and Neptune (topocentric dist. centre to centre = 0.0°)
2018 12 07 21:59 Close encounter between Saturn and M 22 (topocentric dist. centre to centre = 1.2°)
2018 12 08 18:47 Minimum of the variable star Algol (beta Persei)
2018 12 08 19:22 Opposition of the asteroid 40 Harmonia with the Sun (dist. to the Sun = 2.230 AU; magn. = 9.4)
2018 12 08 22:03 Maximum of the variable star eta Aquilae
2018 12 09 05:28 Meteor shower : Monocerotids (2 meteors/hour at zenith; duration = 20.0 days)
2018 12 09 17:42 Maximum of the variable star zeta Gemini
2018 12 10 09:39 Minimum of the variable star beta Lyrae
2018 12 10 15:06 Opposition of the asteroid 80 Sappho with the Sun (dist. to the Sun = 2.132 AU; magn. = 10.3)
2018 12 10 23:33 Maximum of the variable star delta Cephei
2018 12 10 23:54 Maximum of the variable star Mira (omicron Ceti)
2018 12 11 00:02 Maximum of the variable star khi Cygni
2018 12 11 15:36 Minimum of the variable star Algol (beta Persei)
2018 12 12 04:19 Meteor shower : Sigma Hydrids (3 meteors/hour at zenith; duration = 12.0 days)
2018 12 12 12:25 Moon at apogee (geocentric dist. = 405177 km)
2018 12 12 23:33 Comet 46P Wirtanen at its perihelion (dist. to the Sun = 1.055 AU; magn. = 3.9)
2018 12 14 04:24 Opposition of the asteroid 354 Eleonora with the Sun (dist. to the Sun = 2.636 AU; magn. = 10.2)
2018 12 14 08:24 Meteor shower : Geminids (120 meteors/hour at zenith; duration = 12.0 days)
2018 12 14 12:25 Minimum of the variable star Algol (beta Persei)
2018 12 14 17:43 Close encounter between the Moon and Neptune (topocentric dist. centre to centre = 3.6°)
2018 12 15 11:49 FIRST QUARTER OF THE MOON
2018 12 15 18:00 GREATEST WESTERN ELONGATION of Mercury (21.2°)
2018 12 16 02:19 Maximum of the variable star eta Aquilae
2018 12 16 02:42 Meteor shower : Coma Berenicids (3 meteors/hour at zenith; duration = 11.0 days)
2018 12 16 08:21 Maximum of the variable star delta Cephei
2018 12 17 09:14 Minimum of the variable star Algol (beta Persei)
2018 12 19 00:33 Beginning of occultation of 73-xi2 Cet (magn. = 4.30)
2018 12 19 01:14 End of occultation of 73-xi2 Cet (magn. = 4.30)
2018 12 19 21:17 Maximum of the variable star zeta Gemini
2018 12 20 01:01 Meteor shower : Dec. Leo Minorids (5 meteors/hour at zenith; duration = 61.0 days)
2018 12 20 06:03 Minimum of the variable star Algol (beta Persei)
2018 12 21 17:09 Maximum of the variable star delta Cephei
2018 12 21 17:59 Close encounter between Mercury and Jupiter (topocentric dist. centre to centre = 0.8°)
2018 12 21 19:23 Beginning of occultation of 104 Tau (magn. = 4.91)
2018 12 21 20:04 End of occultation of 104 Tau (magn. = 4.91)
2018 12 21 22:23 WINTER SOLSTICE
2018 12 22 05:59 Close encounter between Mercury and Antares (topocentric dist. centre to centre = 6.0°)
2018 12 22 16:41 Meteor shower : Ursids (10 meteors/hour at zenith; duration = 9.0 days)
2018 12 22 17:05 Beginning of occultation of 62-chi2 Ori (magn. = 4.64)
2018 12 22 17:43 End of occultation of 62-chi2 Ori (magn. = 4.64)
2018 12 22 17:49 FULL MOON
2018 12 23 02:53 Minimum of the variable star Algol (beta Persei)
2018 12 23 06:34 Maximum of the variable star eta Aquilae
2018 12 23 08:14 Minimum of the variable star beta Lyrae
2018 12 23 18:58 Close encounter between Jupiter and Antares (topocentric dist. centre to centre = 5.2°)
2018 12 24 09:52 Moon at perigee (geocentric dist. = 361061 km)
2018 12 25 05:22 Close encounter between the Moon and M 44 (topocentric dist. centre to centre = 1.3°)
2018 12 25 07:45 Beginning of occultation of 47-delta Cnc, Asellus Australis, (magn. = 3.94)
2018 12 25 23:42 Minimum of the variable star Algol (beta Persei)
2018 12 26 16:00 Venus at its perihelion (distance to the Sun = 0.71845 AU)
2018 12 27 01:56 Maximum of the variable star delta Cephei
2018 12 28 02:46 Opposition of the asteroid 6 Hebe with the Sun (dist. to the Sun = 2.221 AU; magn. = 8.4)
2018 12 28 20:31 Minimum of the variable star Algol (beta Persei)
2018 12 29 09:34 LAST QUARTER OF THE MOON
2018 12 30 00:52 Maximum of the variable star zeta Gemini
2018 12 30 10:48 Maximum of the variable star eta Aquilae
2018 12 31 17:20 Minimum of the variable star Algol (beta Persei)

(Using Coelix Software)