The phenomena of the month : OCTOBER 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 10 01 18:16 Opposition of the asteroid 40 Harmonia with the Sun (dist. to the Sun = 2.161 AU; magn. = 9.4)
2021 10 01 23:59 Close encounter between Mercury and Spica (topocentric dist. centre to centre = 1.5°)
2021 10 03 00:00 Venus at its aphelion (distance to the Sun = 0.72823 AU)
2021 10 03 03:33 Minimum of the variable star Algol (beta Persei)
2021 10 03 03:53 Beginning of occultation of 30-eta Leo (magn. = 3.48)
2021 10 03 04:12 End of occultation of 30-eta Leo (magn. = 3.48)
2021 10 04 18:54 Simultaneous transits on Jupiter: shadows of two satellites.
2021 10 06 00:21 Minimum of the variable star Algol (beta Persei)
2021 10 06 07:18 Maximum of the variable star delta Cephei
2021 10 06 11:05 NEW MOON
2021 10 07 08:24 Maximum of the variable star eta Aquilae
2021 10 08 04:05 CONJUNCTION between Mars and the Sun (geoc. dist. centre to centre = 0.6°)
2021 10 08 13:01 Meteor shower : Draconids (10 meteors/hour at zenith; duration = 4.0 days)
2021 10 08 17:28 Moon at perigee (geocentric dist. = 363386 km)
2021 10 08 21:10 Minimum of the variable star Algol (beta Persei)
2021 10 09 16:19 INFERIOR CONJUNCTION of Mercury with the Sun (geoc. dist. centre to centre = 1.9°)
2021 10 09 20:22 Close encounter between the Moon and Venus (topocentric dist. centre to centre = 1.8°)
2021 10 10 00:33 Maximum of the variable star zeta Gemini
2021 10 10 03:58 Meteor shower : S. Taurids (5 meteors/hour at zenith; duration = 71.0 days)
2021 10 10 15:34 Minimum of the variable star beta Lyrae
2021 10 11 04:08 Meteor shower : Delta Aurigids (2 meteors/hour at zenith; duration = 8.0 days)
2021 10 11 16:05 Maximum of the variable star delta Cephei
2021 10 11 17:59 Minimum of the variable star Algol (beta Persei)
2021 10 13 03:25 FIRST QUARTER OF THE MOON
2021 10 13 09:34 Close encounter between the Moon and Pluto (topocentric dist. centre to centre = 3.0°)
2021 10 14 08:06 Close encounter between the Moon and Saturn (topocentric dist. centre to centre = 4.4°)
2021 10 14 12:39 Maximum of the variable star eta Aquilae
2021 10 14 14:47 Minimum of the variable star Algol (beta Persei)
2021 10 15 11:46 Close encounter between the Moon and Jupiter (topocentric dist. centre to centre = 4.7°)
2021 10 16 20:06 Close encounter between Venus and Antares (topocentric dist. centre to centre = 1.4°)
2021 10 17 00:52 Maximum of the variable star delta Cephei
2021 10 17 11:36 Minimum of the variable star Algol (beta Persei)
2021 10 17 16:51 Close encounter between the Moon and Neptune (topocentric dist. centre to centre = 4.7°)
2021 10 18 05:49 Meteor shower : Epsilon Geminids (3 meteors/hour at zenith; duration = 13.0 days)
2021 10 19 00:44 Comet 342P SOHO at its perihelion (dist. to the Sun = 0.050 AU; magn. = -4.0)
2021 10 19 04:49 Opposition of the asteroid 25 Phocaea with the Sun (dist. to the Sun = 2.156 AU; magn. = 10.1)
2021 10 19 23:57 Beginning of occultation of 89 Psc (magn. = 5.13)
2021 10 20 00:00 Mercury at its perihelion (distance to the Sun = 0.30750 AU)
2021 10 20 00:50 End of occultation of 89 Psc (magn. = 5.13)
2021 10 20 04:08 Maximum of the variable star zeta Gemini
2021 10 20 08:25 Minimum of the variable star Algol (beta Persei)
2021 10 20 14:57 FULL MOON
2021 10 20 23:27 Simultaneous transits on Jupiter: two satellites.
2021 10 21 06:18 Meteor shower : Orionids (20 meteors/hour at zenith; duration = 36.0 days)
2021 10 21 16:54 Maximum of the variable star eta Aquilae
2021 10 21 23:19 Close encounter between the Moon and Uranus (topocentric dist. centre to centre = 1.9°)
2021 10 22 09:40 Maximum of the variable star delta Cephei
2021 10 23 05:13 Minimum of the variable star Algol (beta Persei)
2021 10 23 14:09 Minimum of the variable star beta Lyrae
2021 10 24 02:45 Close encounter between the Moon and Aldebaran (topocentric dist. centre to centre = 5.8°)
2021 10 24 06:47 Meteor shower : Leo Minorids (2 meteors/hour at zenith; duration = 8.0 days)
2021 10 24 15:30 Moon at apogee (geocentric dist. = 405615 km)
2021 10 25 06:00 GREATEST WESTERN ELONGATION of Mercury (18.3°)
2021 10 26 00:19 Close encounter between the Moon and M 35 (topocentric dist. centre to centre = 1.2°)
2021 10 26 02:02 Minimum of the variable star Algol (beta Persei)
2021 10 27 18:27 Maximum of the variable star delta Cephei
2021 10 28 20:05 LAST QUARTER OF THE MOON
2021 10 28 21:10 Maximum of the variable star eta Aquilae
2021 10 28 22:51 Minimum of the variable star Algol (beta Persei)
2021 10 29 12:00 GREATEST EASTERN ELONGATION of Venus (46.9°)
2021 10 30 07:42 Maximum of the variable star zeta Gemini
2021 10 31 00:59 Beginning of occultation of 46 Leo (magn. = 5.43)
2021 10 31 01:44 End of occultation of 46 Leo (magn. = 5.43)
2021 10 31 19:40 Minimum of the variable star Algol (beta Persei)

(Using Coelix Software)