Southern Delta Aquariids 2027: peak night, meteors per hour and where to watch
The Southern Delta Aquariids are a long summer shower that overlaps the start of the Perseids in late July. The radiant is low in the south, so they are best from southern latitudes; the meteors are faint and slow.
- Peak night
- 31 July — 1 August
- ZHR
- up to 25 an hour
- Moon
- 4% — not in the way
- Active
- 12 July — 23 August
- Radiant
- Aquarius · before dawn
- Best time over London
- around 03:06, radiant 23° up
- Under a dark sky
- ≈ 10 meteors an hour
- Speed
- 41 km/s
- Parent
- 96P/Machholz
How to see a meteor shower, not three meteors
- 1
Get away from light pollution
The Dark Sky layer on the map shows where it is Bortle 4 or darker, with campsites nearby.
- 2
Wait until after midnight
The radiant climbs towards morning and Earth 'flies into' the dust: two to three times more meteors than in the evening.
- 3
Look away from the radiant
40–60° from the radiant meteors are longer. Lie down, keep warm, give your eyes 20 minutes without a phone.
Southern Delta Aquariids FAQ
When do the Southern Delta Aquariids peak in 2027?
On the night of 31 July — 1 August; over London the best time is around 03:06, when the radiant in Aquarius is 23° up.
How many meteors will I see?
The shower ZHR is 25; over London under a dark sky about 10 an hour, in a city just a few.
Will the Moon get in the way?
No: the Moon is 4% lit and out of the way at the best hours.
Other meteor showers of 2027
Quadrantids · 3–4 JanuaryLyrids · 22–23 AprilEta Aquariids · 6–7 MayAlpha Capricornids · 31 July — 1 AugustPerseids · 12–13 AugustDraconids · 8–9 OctoberOrionids · 21–22 OctoberSouthern Taurids · 5–6 NovemberNorthern Taurids · 12–13 NovemberLeonids · 17–18 NovemberDecember Monocerotids · 9–10 DecemberSigma Hydrids · 9–10 DecemberGeminids · 14–15 DecemberUrsids · 22–23 DecemberMeteor showers 2027 →