MAY, 2021 SKYNOTES

MAY STAR CHART, 2021
Please click on the Chart to enlarge.

The chart shows the whole sky, at the times given at the top left of the chart. The planetary positions are correct for the last day of the month!
The edge of the chart is the HORIZON, and the ZENITH is at the centre.

This chart is for LATITUDE 54 degrees NORTH, and is produced using 'CYBERSKY' software.

MAY 2021

MAY, 2021 SKYNOTES

 

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 05 01 07:43 Minimum of the variable star Algol (beta Persei)
2021 05 02 11:09 Maximum of the variable star eta Aquilae
2021 05 02 14:35 Close encounter between the Moon and Pluto (topocentric dist. centre to centre = 2.8°)
2021 05 03 16:30 Maximum of the variable star delta Cephei
2021 05 03 18:33 Close encounter between the Moon and Saturn (topocentric dist. centrre to centre = 4.5°)
2021 05 03 19:50 LAST QUARTER OF THE MOON
2021 05 04 04:32 Minimum of the variable star Algol (beta Persei)
2021 05 04 05:59 Close encounter between Mercury and the Pleiades (topocentric dist. centre to centre = 2.2°)
2021 05 04 22:36 Close encounter between the Moon and Jupiter (topocentric dist. centre to centre = 5.1°)
2021 05 05 20:53 Meteor shower : Eta Aquarids (50 meteors/hour at zenith; duration = 38.0 days)
2021 05 06 21:02 Close encounter between the Moon and Neptune (topocentric dist. centre to centre = 4.7°)
2021 05 07 01:21 Minimum of the variable star Algol (beta Persei)
2021 05 08 08:39 Minimum of the variable star beta Lyrae
2021 05 08 11:02 Meteor shower : Eta Lyrids (3 meteors/hour at zenith; duration = 11.0 days)
2021 05 09 01:18 Maximum of the variable star delta Cephei
2021 05 09 15:24 Maximum of the variable star eta Aquilae
2021 05 09 22:10 Minimum of the variable star Algol (beta Persei)
2021 05 10 18:40 Maximum of the variable star zeta Gemini
2021 05 11 18:59 NEW MOON
2021 05 11 21:54 Moon at apogee (geocentric dist. = 406512 km)
2021 05 12 18:59 Minimum of the variable star Algol (beta Persei)
2021 05 12 23:11 Close encounter between the Moon and Venus (topocentric dist. centre to centre = 1.4°)
2021 05 13 19:48 Close encounter between the Moon and Mercury (topocentric dist. centre to centre = 2.7°)
2021 05 14 10:05 Maximum of the variable star delta Cephei
2021 05 15 15:48 Minimum of the variable star Algol (beta Persei)
2021 05 15 22:37 Beginning of occultation of 27-epsilon Gem, Mebsuta, (magn. = 3.06)
2021 05 15 22:57 End of occultation of 27-epsilon Gem, Mebsuta, (magn. = 3.06)
2021 05 16 04:29 Close encounter between the Moon and Mars (topocentric dist. centre to centre = 0.6°)
2021 05 16 19:37 Maximum of the variable star eta Aquilae
2021 05 17 05:46 Close encounter between Venus and Aldebaran (topocentric dist. centre to centre = 5.8°)
2021 05 17 06:00 GREATEST EASTERN ELONGATION of Mercury (21.9°)
2021 05 18 12:37 Minimum of the variable star Algol (beta Persei)
2021 05 19 18:52 Maximum of the variable star delta Cephei
2021 05 19 19:13 FIRST QUARTER OF THE MOON
2021 05 19 22:20 Close encounter between the Moon and Regulus (topocentric dist. centre to centre = 4.0°)
2021 05 20 22:17 Maximum of the variable star zeta Gemini
2021 05 21 07:13 Minimum of the variable star beta Lyrae
2021 05 21 09:26 Minimum of the variable star Algol (beta Persei)
2021 05 22 08:15 Opposition of the asteroid 230 Athamantis with the Sun (dist. to the Sun = 2.488 AU; magn. = 10.2)
2021 05 23 23:51 Maximum of the variable star eta Aquilae
2021 05 24 05:38 Opposition of the asteroid 704 Interamnia with the Sun (dist. to the Sun = 3.341 AU; magn. = 9.7)
2021 05 24 06:15 Minimum of the variable star Algol (beta Persei)
2021 05 25 03:39 Maximum of the variable star delta Cephei
2021 05 25 21:21 Beginning of occultation of 41 Lib (magn. = 5.36)
2021 05 25 21:59 End of occultation of 41 Lib (magn. = 5.36)
2021 05 25 23:04 Beginning of occultation of 43-kappa Lib (magn. = 4.75)
2021 05 25 23:26 End of occultation of 43-kappa Lib (magn. = 4.75)
2021 05 26 01:52 Moon at perigee (geocentric dist. = 357311 km)
2021 05 26 11:14 FULL MOON (total eclipse of the Moon not visible in SCARBOROUGH)
2021 05 27 01:46 Comet 7P Pons-Winnecke at its perihelion (dist. to the Sun = 1.235 AU; magn. = 8.2)
2021 05 27 03:04 Minimum of the variable star Algol (beta Persei)
2021 05 29 03:15 Close encounter between Mercury and Venus (topocentric dist. centre to centre = 0.4°)
2021 05 29 20:38 Close encounter between the Moon and Pluto (topocentric dist. centre to centre = 3.1°)
2021 05 29 23:53 Minimum of the variable star Algol (beta Persei)
2021 05 30 12:26 Maximum of the variable star delta Cephei
2021 05 31 01:54 Maximum of the variable star zeta Gemini
2021 05 31 03:59 Close encounter between the Moon and Saturn (topocentric dist. centre to centre = 5.0°)
2021 05 31 04:04 Maximum of the variable star eta Aquilae

 

 

 

Calculations courtesy of: CoelixApex software.

 

 

 

LUNAR OCCULTATIONS in MAY, 2021 visible from the Scarborough (UK) area. The time given is UT