The chart shows the whole sky, at the times given at the top left of the chart.
The edge of the chart is the HORIZON, and the ZENITH is at the centre. Planetary positions and visual magnitudes are correct for the end of the month.

This chart is for LATITUDE 54 degrees NORTH, and is producedusing 'CYBERSKY' software by Michael Schimpf. Thanks Michael.

DECEMBER, 2021

The phenomena of the month : DECEMBER 2021

 

Times are given for SCARBOROUGH (0° 25' 5" W, 54° 16' 31" N, zone 0 Universal Time).

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

 

2021 12 01 06:01 Opposition of the asteroid 521 Brixia with the Sun (dist. to the Sun = 2.004 AU; magn. = 9.2)
2021 12 01 09:56 Minimum of the variable star beta Lyrae
2021 12 02 08:38 Minimum of the variable star Algol (beta Persei)
2021 12 03 00:00 Mercury at its aphelion (distance to the Sun = 0.46670 AU)
2021 12 03 00:08 Close encounter between the Moon and Mars (topocentric dist. centre to centre = 0.2°)
2021 12 03 18:27 Maximum of the variable star eta Aquilae
2021 12 04 07:43 NEW MOON (total eclipse of the Sun not visible in SCARBOROUGH)
2021 12 04 08:01 Maximum of the variable star delta Cephei
2021 12 04 10:01 Moon at perigee (geocentric dist. = 356794 km)
2021 12 05 05:27 Minimum of the variable star Algol (beta Persei)
2021 12 06 18:00 VENUS at maximum brightness (magn. -4.71)
2021 12 07 01:33 Close encounter between the Moon and Venus (topocentric dist. centre to centre = 2.3°)
2021 12 07 03:27 Close encounter between the Moon and Pluto (topocentric dist. centre to centre = 3.0°)
2021 12 08 02:16 Minimum of the variable star Algol (beta Persei)
2021 12 08 03:26 Close encounter between the Moon and Saturn (topocentric dist. centre to centre = 4.6°)
2021 12 08 22:59 Meteor shower : Monocerotids (3 meteors/hour at zenith; duration = 20.0 days)
2021 12 08 22:59 Meteor shower : Sigma Hydrids (7 meteors/hour at zenith; duration = 12.0 days)
2021 12 09 07:40 Close encounter between the Moon and Jupiter (topocentric dist. centre to centre = 5.0°)
2021 12 09 16:48 Maximum of the variable star delta Cephei
2021 12 09 21:59 Maximum of the variable star zeta Gemini
2021 12 10 22:41 Maximum of the variable star eta Aquilae
2021 12 10 23:05 Minimum of the variable star Algol (beta Persei)
2021 12 11 01:35 FIRST QUARTER OF THE MOON
2021 12 11 04:27 Close encounter between the Moon and Neptune (topocentric dist. centre to centre = 4.4°)
2021 12 11 08:46 Opposition of the asteroid 44 Nysa with the Sun (dist. to the Sun = 2.116 AU; magn. = 9.1)
2021 12 11 13:37 Close encounter between Venus and Pluto (topocentric dist. centre to centre = 0.1°)
2021 12 13 19:54 Minimum of the variable star Algol (beta Persei)
2021 12 14 01:59 Meteor shower : Geminids (150 meteors/hour at zenith; duration = 12.0 days)
2021 12 14 08:31 Minimum of the variable star beta Lyrae
2021 12 15 01:36 Maximum of the variable star delta Cephei
2021 12 15 07:41 Close encounter between the Moon and Uranus (topocentric dist. centre to centre = 2.1°)
2021 12 15 20:17 Meteor shower : Coma Berenicids (3 meteors/hour at zenith; duration = 11.0 days)
2021 12 16 16:43 Minimum of the variable star Algol (beta Persei)
2021 12 17 21:45 Beginning of occultation of 94-tau Tau (magn. = 4.27)
2021 12 17 22:17 End of occultation of 94-tau Tau (magn. = 4.27)
2021 12 18 02:16 Moon at apogee (geocentric dist. = 406320 km)
2021 12 18 02:56 Maximum of the variable star eta Aquilae
2021 12 19 04:36 FULL MOON
2021 12 19 13:32 Minimum of the variable star Algol (beta Persei)
2021 12 19 18:40 Meteor shower : Dec. Leo Minorids (5 meteors/hour at zenith; duration = 61.0 days)
2021 12 20 01:35 Maximum of the variable star zeta Gemini
2021 12 20 10:24 Maximum of the variable star delta Cephei
2021 12 21 15:59 WINTER SOLSTICE
2021 12 22 10:19 Meteor shower : Ursids (10 meteors/hour at zenith; duration = 9.0 days)
2021 12 22 10:21 Minimum of the variable star Algol (beta Persei)
2021 12 24 04:28 Beginning of occultation of 30-eta Leo (magn. = 3.48)
2021 12 24 04:58 End of occultation of 30-eta Leo (magn. = 3.48)
2021 12 25 07:10 Minimum of the variable star Algol (beta Persei)
2021 12 25 07:11 Maximum of the variable star eta Aquilae
2021 12 25 11:46 Close encounter between Venus and Pluto (topocentric dist. centre to centre = 2.9°)
2021 12 25 19:12 Maximum of the variable star delta Cephei
2021 12 27 02:24 LAST QUARTER OF THE MOON
2021 12 27 07:06 Minimum of the variable star beta Lyrae
2021 12 27 17:59 Close encounter between Mars and Antares (topocentric dist. centre to centre = 4.5°)
2021 12 28 03:59 Minimum of the variable star Algol (beta Persei)
2021 12 29 05:46 Close encounter between Mercury and Venus (topocentric dist. centre to centre = 4.2°)
2021 12 30 05:10 Maximum of the variable star zeta Gemini
2021 12 30 10:04 Close encounter between Mercury and Pluto (topocentric dist. centre to centre = 0.2°)
2021 12 30 22:47 Opposition of the asteroid 22 Kalliope with the Sun (dist. to the Sun = 2.676 AU; magn. = 10.1)
2021 12 31 00:49 Minimum of the variable star Algol (beta Persei)
2021 12 31 03:59 Maximum of the variable star delta Cephei
2021 12 31 20:19 Close encounter between the Moon and Mars (topocentric dist. centre to centre = 1.5°)

 

(Using Coelix Software) 

SELECTED LUNAR OCCULTATIONS VISIBLE FROM SCARBOROUGH UK THIS MONTH.

Source: 'Coelix' software

The angular diameters of the Planets compared.