A table listing some of the Astronomical Phenomena for May 2017:

Phenomena May

DayEvent
1Moon passes 10 degrees south of Pollux mag +1.1 (20 UT)
2Mercury mag +2.3 is stationary in Pisces afterwards resumes direct motion (14 UT)
3First quarter Moon (2:47 UT)
4Moon passes 0.5 degrees south of Regulus mag +1.4, occultation is visible from Australia, New Zealand (10:15 UT)
6Eta Aquariid meteor shower peaks ZHR = 55
6Mercury is at aphelion 0.467 AU (approx. 69.9 million kilometres or 43.4 million miles) from the Sun (14 UT)
7Mars mag. +1.6 passes 6 degrees north of Aldebaran mag +0.9 (8 UT)
7Moon passes 2 degrees north of Jupiter mag -2.4 (21 UT)
7Mercury mag +1.4 passes 2 degrees south of Uranus mag +5.9 (23 UT)
8Moon passes 6 degrees north of Spica mag +1.0 (13 UT)
10Full Moon (21:43 UT)
12Moon passes 10 degrees north of Antares mag +1.0 (10 UT)
12Moon is at apogee 406,210 km or 252,407 miles from Earth (19:38 UT)
13Moon passes 3 degrees north of Saturn mag +0.2 (23 UT)
17Mercury mag +0.4 is at greatest elongation west 25.8 degrees (23 UT)
19Last quarter Moon (0:33 UT)
20Moon passes 0.5 degrees south of Neptune mag +7.9, occultation is visible from the South Atlantic (5:31 UT)
22Moon passes 2 degrees south of Venus mag -4.5 (13 UT)
23Moon passes 4 degrees south of Uranus mag +5.9 (5 UT)
24Moon passes 2 degrees south of Mercury mag +0.1 (1 UT)
25New Moon (19:45 UT)
26Moon is at perigee 357,209 km or 221,959 miles from Earth (1:14 UT)
27Moon passes 5 degrees south of Mars mag +1.7 (2 UT)
31Moon passes 0.3 degrees south of Regulus mag +1.4, occultation is visible from central Africa, Madagascar (16:33 UT)

Sky Highlights - May 2017

Mercury
Mercury reaches greatest elongation west on May 17, 2017

Meteor Shower
Eta Aquariids meteor shower peaks on May 5th and 6th, 2017

The Planets
This Month's Guide

Algol Minima
Algol eclipse dates and times for May 2017

Northern Hemisphere
Evening
West:- Mars (mag. +1.6)
South:- Jupiter (mag. -2.4)
Midnight
Southwest:- Jupiter
Southeast:- Saturn (mag. +0.2)
Morning
South:- Saturn
East:- Venus (mag. -4.7)

Southern Hemisphere
Evening
West:- Mars
North:- Jupiter
Midnight
Northwest:- Jupiter
North:- Saturn
Morning
Northwest:- Saturn
East:- Venus, Mercury (mag. +2.5 to -0.3), Neptune (mag. +7.9)

Deep Sky
Naked eye / binoculars:-
Melotte 111 - Mel 111 - The Coma Star Cluster (Open Cluster)
Messier 44 - M44 - The Praesepe (Open Cluster)

Telescopes:-
Messier 67 - M67 - Open Cluster
Messier 51 - M51 - The Whirlpool Galaxy (Spiral Galaxy)
Messier 97 - M97 - The Owl Nebula (Planetary Nebula)
Messier 101 - M101 - The Pinwheel Galaxy (Spiral Galaxy)
Messier 65 – M65 – Spiral Galaxy
Messier 66 - M66 - Intermediate Spiral Galaxy
Messier 95 - M95 - Barred Spiral Galaxy
Messier 96 - M96 - Intermediate Spiral Galaxy
NGC 4244 - Spiral Galaxy
NGC 4565 - Needle Galaxy - Spiral Galaxy

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