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Major Meteor Showers in 2020

Shower Activity
(D/M-D/M)
Maximum
(HKT-D/M)
Zenith Hour Rate (ZHR) Suggested Observation Period Local Observation Condition
Quadrantid 28/12 - 12/1 4/1, 16:20 120 4/1, 1:00 – 6:00 Fair
Lyrid 14/4 - 30/4 22/4, 15:00 18 22/4, 23:00 – 23/4, 5:00 Fair
η-Aquariid 19/4 – 28/5 6/5, 5:00 50 6/5, 3:30 – 5:00 Bad
Perseid 17/7 - 24/8 12/8, 21:00 - 24:00 110 12/8, 22:30 – 13/8, 5:00 Unfavourable
Orionid 2/10 - 7/11 21/10, 13:30 20 22/10, 22:30 – 23/10, 5:30 Favourable
Leonid 6/11 - 30/11 17/11, 19:00 15 18/11, 2:00 – 6:00 Fair
Geminid 4/12 - 17/12 14/12, 8:50 150 13/12, 21:00 – 14/12, 6:00;
14/12, 21:00 – 15/12, 6:00
Excellent

Source of data: International Meteor Organization

* Local Observation Condition is divided into five levels, which are "Bad", "Unfavourable", "Fair", "Favourable" and "Excellent". The following factors would determine whether the observation condition is good or bad:

Observation Time: A darker sky is more favourable to meteor observation. If the meteor shower peaks in the period when the sun has not set, such as midday, or during sunrise or sunset, it is harder to see the trails of the meteors as they will be obscured by the bright sun. Also, due to motions of the Earth, the meteoroids collide head-on with the atmosphere at relatively higher speed after midnight, causing them to burn up vigorously. Thus, the meteors observed at dawn are usually brighter and easier to observe.

Moonlight: Moon is the second brightest object in the sky after the sun. When the occurrence of meteor peak is close to a full moon, the bright moonlight will obscure the dimmer meteors and affecting the number of meteors we can see with our naked eyes.

Radiant: Radiant is a point in the sky where the meteors appear to originate. As there are many skyscrapers in Hong Kong, when the radiant lies close to the horizon, the shower will be blocked by buildings easily, plus there are more haze near the horizon. Conversely, when the radiant is close to the zenith, it will favour the observation of meteors.

Reference:
1. https://bit.ly/341HooJ (Only Chinese version is available).
2. Out of the Blue: A 24-Hour Skywatcher's Guide P. 289-291 (https://bit.ly/2WcnhBo)