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.

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

APRIL, 2021

 APRIL 2021

 

 

SUMMARY 

The phenomena of the month : APRIL 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 04 01 11:46 Maximum of the variable star delta Cephei
2021 04 02 15:32 Minimum of the variable star Algol (beta Persei)
2021 04 03 18:16 Maximum of the variable star eta Aquilae
2021 04 04 00:00 EASTER DAY
2021 04 04 05:34 Opposition of the asteroid 9 Metis with the Sun (dist. to the Sun = 2.500 AU; magn. = 9.5)
2021 04 04 05:52 Beginning of occultation of 34-sigma Sgr, Nunki, (magn. = 2.05)
2021 04 04 07:04 End of occultation of 34-sigma Sgr, Nunki, (magn. = 2.05)
2021 04 04 10:02 LAST QUARTER OF THE MOON
2021 04 05 07:34 Close encounter between the Moon and Pluto (topocentric dist. centre to centre = 3.1°)
2021 04 05 12:21 Minimum of the variable star Algol (beta Persei)
2021 04 06 11:59 Close encounter between the Moon and Saturn (topocentric dist. centre to centre = 4.5°)
2021 04 06 20:33 Maximum of the variable star delta Cephei
2021 04 07 11:59 Close encounter between the Moon and Jupiter (topocentric dist. centre to centre = 4.9°)
2021 04 08 09:10 Minimum of the variable star Algol (beta Persei)
2021 04 09 16:08 Close encounter between the Moon and Neptune (topocentric dist. centre to centre = 4.4°)
2021 04 10 07:49 Maximum of the variable star zeta Gemini
2021 04 10 22:30 Maximum of the variable star eta Aquilae
2021 04 11 05:59 Minimum of the variable star Algol (beta Persei)
2021 04 12 02:31 NEW MOON
2021 04 12 05:21 Maximum of the variable star delta Cephei
2021 04 12 11:33 Minimum of the variable star beta Lyrae
2021 04 13 15:08 Close encounter between the Moon and Uranus (topocentric dist. centre to centre = 2.8°)
2021 04 14 02:49 Minimum of the variable star Algol (beta Persei)
2021 04 14 17:47 Moon at apogee (geocentric dist. = 406119 km)
2021 04 15 20:42 Beginning of occultation of 50-omega2 Tau (magn. = 4.93)
2021 04 15 20:52 End of occultation of 50-omega2 Tau (magn. = 4.93)
2021 04 16 23:38 Minimum of the variable star Algol (beta Persei)
2021 04 17 11:30 Close encounter between the Moon and Mars (topocentric dist. centre to centre = 0.8°)
2021 04 17 14:08 Maximum of the variable star delta Cephei
2021 04 18 00:52 Close encounter between the Moon and M 35 (topocentric dist. centre to centre = 0.2°)
2021 04 18 02:43 Maximum of the variable star eta Aquilae
2021 04 19 01:48 SUPERIOR CONJUNCTION of Mercury with the Sun (geoc. dist. centre to centre = 0.6°)
2021 04 19 19:17 End of occultation of 77-kappa Gem (magn. = 3.57)
2021 04 19 20:27 Minimum of the variable star Algol (beta Persei)
2021 04 20 06:59 FIRST QUARTER OF THE MOON
2021 04 20 11:26 Maximum of the variable star zeta Gemini
2021 04 20 20:49 Close encounter between the Moon and M 44 (topocentric dist. centre to centre = 2.2°)
2021 04 22 07:05 Meteor shower : Lyrids (18 meteors/hour at zenith; duration = 9.0 days)
2021 04 22 17:16 Minimum of the variable star Algol (beta Persei)
2021 04 22 20:38 Beginning of occultation of 46 Leo (magn. = 5.43)
2021 04 22 21:48 End of occultation of 46 Leo (magn. = 5.43)
2021 04 22 22:56 Maximum of the variable star delta Cephei
2021 04 25 06:57 Maximum of the variable star eta Aquilae
2021 04 25 10:06 Minimum of the variable star beta Lyrae
2021 04 25 14:05 Minimum of the variable star Algol (beta Persei)
2021 04 27 01:00 Mercury at its perihelion (distance to the Sun = 0.30750 AU)
2021 04 27 03:31 FULL MOON
2021 04 27 06:36 Close encounter between Mars and M 35 (topocentric dist. centre to centre = 0.5°)
2021 04 27 15:24 Moon at perigee (geocentric dist. = 357378 km)
2021 04 27 20:52 Beginning of occultation of 21-nu Lib (magn. = 5.19)
2021 04 27 21:49 End of occultation of 21-nu Lib (magn. = 5.19)
2021 04 28 07:43 Maximum of the variable star delta Cephei
2021 04 28 10:54 Minimum of the variable star Algol (beta Persei)
2021 04 30 01:47 Beginning of occultation of 42-theta Oph (magn. = 3.27)
2021 04 30 02:54 End of occultation of 42-theta Oph (magn. = 3.27)
2021 04 30 15:03 Maximum of the variable star zeta Gemini
2021 04 30 19:54 CONJUNCTION between Uranus and the Sun (geoc. dist. centre to centre = 0.4°)

 

 

 

(Using Coelix Software) 

 



 

SELECTED LUNAR OCCULTATIONS VISIBLE FROM SCARBOROUGH UK THIS MONTH.

Source: 'Coelix' software

The angular diameters of the Planets compared.