JANUARY 2021

 SUMMARY

The phenomena of the month : January 2021
Times are given in daylight time for SCARBOROUGH (0° 25' 5" W, 54° 16' 30" N, zone 0 = UNIVERSAL TIME).

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

2021 01 02 15:00 The Earth at its perihelion (distance to the Sun = 0.98326 AU)
2021 01 03 01:09 Close encounter between the Moon and Regulus (topocentric dist. centre to centre = 4.0°)
2021 01 03 08:42 Meteor shower : Quadrantids (110 meteors/hour at zenith; duration = 16.0 days)
2021 01 03 19:05 Minimum of the variable star Algol (beta Persei)
2021 01 05 16:02 Maximum of the variable star delta Cephei
2021 01 06 10:37 LAST QUARTER OF THE MOON
2021 01 06 15:54 Minimum of the variable star Algol (beta Persei)
2021 01 07 16:28 Maximum of the variable star eta Aquilae
2021 01 09 00:19 Maximum of the variable star zeta Gemini
2021 01 09 12:43 Minimum of the variable star Algol (beta Persei)
2021 01 09 16:39 Moon at perigee (geocentric dist. = 367387 km)
2021 01 09 16:41 Close encounter between Venus and M 8 (topocentric dist. centre to centre = 1.2°)
2021 01 10 05:06 Close encounter between Mercury and Saturn (topocentric dist. centre to centre = 1.6°)
2021 01 11 00:50 Maximum of the variable star delta Cephei
2021 01 11 19:36 Close encounter between Mercury and Jupiter (topocentric dist. centre to centre = 1.4°)
2021 01 11 21:44 Close encounter between the Moon and Venus (topocentric dist. centre to centre = 2.0°)
2021 01 11 22:35 Minimum of the variable star beta Lyrae
2021 01 12 09:32 Minimum of the variable star Algol (beta Persei)
2021 01 13 06:00 NEW MOON
2021 01 14 08:39 Close encounter between the Moon and Mercury (topocentric dist. centre to centre = 3.1°)
2021 01 14 15:17 CONJUNCTION between Pluto and the Sun (geoc. dist. centre to centre = 1.2°)
2021 01 14 20:43 Maximum of the variable star eta Aquilae
2021 01 15 06:21 Minimum of the variable star Algol (beta Persei)
2021 01 15 13:48 Close encounter between Venus and M 22 (topocentric dist. centre to centre = 0.8°)
2021 01 16 09:38 Maximum of the variable star delta Cephei
2021 01 17 09:33 Close encounter between the Moon and Neptune (topocentric dist. centre to centre = 5.0°)
2021 01 17 19:09 Comet 323P SOHO at its perihelion (dist. to the Sun = 0.039 AU; magn. = 6.0)
2021 01 18 03:11 Minimum of the variable star Algol (beta Persei)
2021 01 19 03:55 Maximum of the variable star zeta Gemini
2021 01 20 19:31 Close encounter between Mars and Uranus (topocentric dist. centre to centre = 1.6°)
2021 01 20 22:01 FIRST QUARTER OF THE MOON
2021 01 21 00:00 Minimum of the variable star Algol (beta Persei)
2021 01 21 09:40 Close encounter between the Moon and Uranus (topocentric dist. centre to centre = 3.9°)
2021 01 21 10:16 Close encounter between the Moon and Mars (topocentric dist. centre to centre = 5.5°)
2021 01 21 14:11 Moon at apogee (geocentric dist. = 404360 km)
2021 01 21 14:50 Opposition of the asteroid 15 Eunomia with the Sun (dist. to the Sun = 2.559 AU; magn. = 8.5)
2021 01 21 18:26 Maximum of the variable star delta Cephei
2021 01 21 23:01 Beginning of occultation of 38 Ari (magn. = 5.17)
2021 01 21 23:54 End of occultation of 38 Ari (magn. = 5.17)
2021 01 22 00:57 Maximum of the variable star eta Aquilae
2021 01 23 20:49 Minimum of the variable star Algol (beta Persei)
2021 01 24 04:03 CONJUNCTION between Saturn and the Sun (geoc. dist. centre to centre = 0.4°)
2021 01 24 06:00 GREATEST EASTERN ELONGATION of Mercury (18.6°)
2021 01 24 15:37 Opposition of the asteroid 14 Irene with the Sun (dist. to the Sun = 2.316 AU; magn. = 9.1)
2021 01 24 21:10 Minimum of the variable star beta Lyrae
2021 01 26 00:47 Close encounter between the Moon and M 35 (topocentric dist. centre to centre = 0.2°)
2021 01 26 17:39 Minimum of the variable star Algol (beta Persei)
2021 01 26 22:38 Beginning of occultation of 42-omega Gem (magn. = 5.20)
2021 01 26 23:30 End of occultation of 42-omega Gem (magn. = 5.20)
2021 01 27 03:14 Maximum of the variable star delta Cephei
2021 01 28 17:42 Close encounter between Venus and Pluto (topocentric dist. centre to centre = 0.7°)
2021 01 28 20:16 FULL MOON
2021 01 28 22:10 Opposition of the asteroid 10 Hygiea with the Sun (dist. to the Sun = 3.202 AU; magn. = 9.8)
2021 01 29 02:41 CONJUNCTION between Jupiter and the Sun (geoc. dist. centre to centre = 0.5°)
2021 01 29 03:00 Mercury at its perihelion (distance to the Sun = 0.30750 AU)
2021 01 29 05:12 Maximum of the variable star eta Aquilae
2021 01 29 07:31 Maximum of the variable star zeta Gemini
2021 01 29 14:28 Minimum of the variable star Algol (beta Persei)

Calculations courtesy of: CoelixApex software.