The Sky This Month

Astronomy This Month — May 2026

01 May – Full Moon (13:23EDT)
06 May – η (eta) Aquariid meteor shower peaks, minor shower badly affected by moonlight
08 May – Double shadow transit on Jupiter (20:50EDT)
09 May – Last Quarter Moon
15 May – Double shadow transit on Jupiter very low in west (23:20EDT)
16 May – New Moon (16:01EDT)
18 May – Earthlit crescent Moon 3° right of gibbous Venus (mag -3.9)
19 May – Earthlit crescent Moon between Venus (mag -3.9) and Jupiter (mag -1.9)
23 May – First Quarter Moon
23 May – Callisto and Io both transiting Jupiter (22:20EDT)
29 May – (29) Amphitrite (mag 9.5) at opposition
30 May – (21) Lutetia (mag 9.8) at opposition
31 May – Full Moon (04:45EDT)
31 May – Venus attains greatest altitude at end of nautical twilight

Astronomy This Month — June 2026

05 Jun – (172073) 2002 AF85 (mag 19.5) occults TYC 5709-00977-1 (mag 9.5) over Centreville & Verona 02:04EDT
08 Jun – Arietid meteor shower peaks during morning twilight; broad peak so may be visible for a week or two before or after
08 Jun – Last Quarter Moon
09 Jun – Venus (mag -4.0) 1.6° north of Jupiter (mag -1.9) in the west during evening twilight; Mercury (mag 0.2) 13° to their lower right, Castor and Pollux upper right
09 Jun – double moon shadows on Jupiter starting 21:25EDT; Europa on the disk until 21:40EDT
14 Jun – extremely thin crescent Moon with earthshine (<24hr before new) very low in NE before sunrise
14 Jun – New Moon (22:54EDT)
14 Jun – minor planet (3428) Roberts (mag 15.7) occults UCAC4 371-077582 (mag 11.5) through Sharbot Lake, Westport and Elgin (23:46EDT)
15 Jun – Mercury (mag 0.5) at greatest elongation east low in the WNW during evening twilight
15 Jun – extremely thin crescent Moon with earthshine (~27hr old) very low in NW after sunset
15 Jun – minor planet (14) Irene (mag 9.4) at opposition
16 Jun – Venus (mag -4.0), Jupiter (mag -1.8), Mercury (mag 0.6), crescent Moon, Castor, and Pollux form compact triangle low in W after sunset
17 Jun – crescent Moon occults Venus (mag -4.0) during daylight (15:40-16:58EDT)
17 Jun – crescent Moon transits M44 (Beehive Cluster) during dusk
19 Jun – Venus (mag -4.9) on N edge of the Beehive
19 Jun – Moon, Regulus, Venus, Jupiter, Mercury in 44° line low in W after sunset
21 Jun – Summer Solstice (04:25EDT)
21 Jun – First Quarter Moon
29 Jun – Full Moon (19:57EDT)
30 Jun – (8622) Mayimbialik (mag 17.7) occults UCAC4 341-089984 (mag 11.1) for Sharbot Lake, Westport and Athens (00:41EDT) 30 Jun – (33107) 1997 YL16 (mag 16.8) occults TYC 6322-00966-1 (mag 10.1) for Battersea (03:14EDT)

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