英仙座流星雨觀賞小貼士
來源:每日郵報
2014-08-10 14:23
1. There is no need for binoculars or telescopes to enjoy the celestial fireworks–just unaided eyes. Because the meteors can appear to streak across large parts of the sky, the human eye can soak in large portions of the overhead sky, offering a greater chance to catch one zipping by.
無需雙目望遠鏡或天文望遠鏡的協(xié)助,單憑肉眼就能欣賞天庭之焰。因為流星下落時會在空中劃過很長的距離,而人眼觀測天空的視角更大,看到流行下落的幾率也隨之變大。
2. Give your eyes at least 15 to 20 minutes to adapt to the darkness of night when you step outside to view the shower. Try to avoid looking at any white lights while under the stars.
外出觀看流星雨時,至少提前留出15到20分鐘的時間讓眼睛適應(yīng)黑暗。觀賞流星時盡量避開其它亮白光線。
Flashlights, porch-lights and headlamps shining into your eyes can set you back as much as 30 minutes in terms of your night adapted vision.
閃光燈、手電、頭燈的光線照到眼睛后,需要長達30分鐘的休息時間才能重新適應(yīng)黑暗環(huán)境。
As an alternative, use a red colored flashlight for seeing when skywatching. It is easy to rig your own red light by taking a few layers of red cellophane gift wrapping and securing it to the end of the flashlight with a rubber band.
但是可以選擇紅色光線的照明工具。自制紅色手電的方法很簡單:用幾張包裹禮物的紅色玻璃紙包住手電筒,末端用橡皮筋固定好即可。
3. Seek out a dark location with as little light pollution as possible; the darker the better. More of the fainter meteors will be visible from the countryside, away from city lights.
盡量選擇黑暗、光污染少的地點觀賞流星雨,越暗效果越好。遠離城市光源,在郊外鄉(xiāng)村能看到更多微亮的流星。
Even from a suburban backyard or municipal park where there is no direct lights, at least 10 to 30 shooting stars per hour should be visible under clear skies.
就算在市郊的庭院或普通公園等沒有直接光源的地方,倘若天氣晴朗,每小時也能看到至少10到30顆流星。