The phenomena of the month : June 2020 Times are given in standard time for Aveiro (8° 38' 55" W, 40° 38' 20" N, zone Z).

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

1 2020 06 02 17:08 Minimum of the variable Algol (beta Persei) 2 2020 06 03 03:36 Moon at perigee (geocentric dist. = 364366 km) 3 2020 06 03 17:44 INFERIOR CONJUNCTION of Venus with the (geoc. dist. center to center = 0,5°) 4 2020 06 04 18:00 GREATEST EASTERN ELONGATION of Mercury (23,6°) 5 2020 06 04 23:28 Maximum of the variable star delta Cephei

6 2020 06 05 13:57 Minimum of the variable star Algol (beta Persei) 7 2020 06 05 19:12 FULL MOON (penumbral eclipse of the Moon partly visible in Aveiro) 8 2020 06 05 21:41 Minimum of the variable star beta Lyrae 9 2020 06 06 08:05 Maximum of the variable star eta Aquilae 10 2020 06 08 10:46 Minimum of the variable star Algol (beta Persei)

11 2020 06 08 14:55 Close encounter between the Moon and Pluto (topocentric dist. center to center = 1,6°) 12 2020 06 08 16:59 Close encounter between the Moon and Jupiter (topocentric dist. center to center = 2,5°) 13 2020 06 09 03:35 Close encounter between the Moon and Saturn (topocentric dist. center to center = 3,5°) 14 2020 06 09 20:05 Maximum of the variable star zeta Gemini 15 2020 06 10 00:59 Beginning of of 25-chi Cap (magn. = 5,30)

16 2020 06 10 02:18 End of occultation of 25-chi Cap (magn. = 5,30) 17 2020 06 10 08:16 Maximum of the variable star delta Cephei 18 2020 06 11 07:35 Minimum of the variable star Algol (beta Persei) 19 2020 06 12 01:49 Beginning of occultation of 71-tau2 Aqr (magn. = 4,05) 20 2020 06 12 02:56 End of occultation of 71-tau2 Aqr (magn. = 4,05)

21 2020 06 13 00:56 Close encounter between the Moon and Mars (topocentric dist. center to center = 3,4°) 22 2020 06 13 01:55 Close encounter between the Moon and Neptune (topocentric dist. center to center = 5,0°) 23 2020 06 13 06:23 LAST QUARTER OF THE MOON 24 2020 06 13 12:09 Close encounter between Mars and Neptune (topocentric dist. center to center = 1,6°) 25 2020 06 13 12:19 Maximum of the variable star eta Aquilae

26 2020 06 14 04:24 Minimum of the variable star Algol (beta Persei) 27 2020 06 15 00:56 Moon at apogee (geocentric dist. = 404595 km) 28 2020 06 15 17:03 Maximum of the variable star delta Cephei 29 2020 06 17 01:12 Minimum of the variable star Algol (beta Persei) 30 2020 06 17 04:53 Close encounter between the Moon and Uranus (topocentric dist. center to center = 4,3°)

31 2020 06 18 20:15 Minimum of the variable star beta Lyrae 32 2020 06 19 07:17 Beginning of occultation of Vénus (magn. = -4,19) 33 2020 06 19 07:44 Close encounter between the Moon and Venus (topocentric dist. center to center = 0,2°) 34 2020 06 19 08:11 End of occultation of Vénus (magn. = -4,19) 35 2020 06 19 22:01 Minimum of the variable star Algol (beta Persei)

36 2020 06 19 23:41 Maximum of the variable star zeta Gemini 37 2020 06 20 16:33 Maximum of the variable star eta Aquilae 38 2020 06 20 21:44 SUMMER SOLSTICE 39 2020 06 21 01:50 Maximum of the variable star delta Cephei 40 2020 06 21 06:41 NEW MOON (annular eclipse of the Sun not visible in Aveiro)

41 2020 06 22 05:46 Close encounter between the Moon and Mercury (topocentric dist. center to center = 3,2°) 42 2020 06 22 18:50 Minimum of the variable star Algol (beta Persei) 43 2020 06 23 04:00 Mercury at its aphelion (distance to the Sun = 0,46670 AU) 44 2020 06 25 15:39 Minimum of the variable star Algol (beta Persei) 45 2020 06 25 20:17 2P Encke at its perihelion (dist. to the Sun = 0,337 AU; magn. = 4,8)

46 2020 06 26 10:37 Maximum of the variable star delta Cephei 47 2020 06 26 22:41 Meteor shower : June Bootids (duration = 11,0 days) 48 2020 06 27 20:47 Maximum of the variable star eta Aquilae 49 2020 06 28 01:15 Opposition of the 7 Iris with the Sun (dist. to the Sun = 2,635 AU; magn. = 8,8) 50 2020 06 28 08:16 FIRST QUARTER OF THE MOON

51 2020 06 28 12:27 Minimum of the variable star Algol (beta Persei) 52 2020 06 28 23:00 Opposition of the asteroid 56 Melete with the Sun (dist. to the Sun = 2,002 AU; magn. = 10,4) 53 2020 06 29 12:03 Comet 249P LINEAR at its perihelion (dist. to the Sun = 0,497 AU; magn. = 11,4) 54 2020 06 30 02:09 Moon at perigee (geocentric dist. = 368958 km) 55 2020 06 30 03:17 Maximum of the variable star zeta Gemini

56 2020 06 30 06:06 Close encounter between Jupiter and Pluto (topocentric dist. center to center = 0,7°)