行事曆Calendar

天龍座流星雨Draconids

少數傍晚就能觀測的流星雨，輻射點在天龍座頭部；平時數量少，但曾多次爆發。An early-evening shower with the radiant in Draco. Usually weak but has produced major outbursts.

第一次段考第一次段考

獵戶座流星雨Orionids

同樣來自哈雷彗星，流星速度快而明亮；輻射點在獵戶座與雙子座之間，下半夜最佳。Also from Halley’s Comet; fast, bright meteors. Radiant between Orion and Gemini, best after midnight.

期中考期中考

至 11/06until 11/06

獅子座流星雨Leonids

以週期性流星暴聞名（33 年週期），平常年份數量不多，但流星速度極快。Famous for periodic storms every ~33 years. Normally modest, with very fast meteors.

天王星衝Uranus at Opposition

天王星整夜可見，雙筒望遠鏡即可辨認，呈淡綠色星點。Uranus is visible all night; binoculars reveal a faint greenish point.

雙子座流星雨Geminids

全年最穩定、數量最多的流星雨，來自小行星法厄同；傍晚即可開始觀測，深夜達高峰。The most reliable and prolific shower of the year, from asteroid Phaethon. Starts early evening, peaks late night.

冬至December Solstice

北半球一年中夜晚最長的一天，是深空攝影的黃金時段。The longest night of the year in the Northern Hemisphere — prime time for deep-sky imaging.

小熊座流星雨Ursids

年末的小型流星雨，輻射點靠近北極星，整夜可見；數量少但偶有小爆發。A minor year-end shower near Polaris, visible all night. Low rates with occasional bursts.

期末考期末考

至 12/31until 12/31

象限儀座流星雨Quadrantids

年度三大流星雨之一，極大期非常短（僅數小時），輻射點在牧夫座北方，下半夜觀測最佳。One of the big three; a very sharp peak lasting only hours. Radiant near Boötes, best after midnight.

期末考期末考

至 01/08until 01/08

日環食Annular Solar Eclipse

環食帶通過南美洲南部與大西洋、非洲西部；台灣不可見。Annularity crosses southern South America, the Atlantic and West Africa. Not visible from Taiwan.

火星衝Mars at Opposition

火星距地球最近、最亮，是拍攝火星表面細節的最佳時機，約每 26 個月一次。Mars is closest and brightest — the best window for surface detail, once every ~26 months.

半影月食Penumbral Lunar Eclipse

月球僅進入地球半影，亮度略減、肉眼不易察覺。The Moon passes only through Earth’s penumbra — a subtle dimming, hard to notice by eye.

木星衝Jupiter at Opposition

木星整夜可見、視直徑最大，大紅斑與四大衛星是入門觀測的首選目標。Jupiter is visible all night at maximum size; the Great Red Spot and Galilean moons are classic targets.

春分March Equinox

晝夜等長；春季銀河將在下半夜升起。Equal day and night; the spring Milky Way rises after midnight.

天琴座流星雨Lyrids

歷史最悠久的流星雨之一，偶有爆發；輻射點在織女星附近，下半夜天頂高度佳。One of the oldest recorded showers with occasional outbursts. Radiant near Vega, best after midnight.

寶瓶座η流星雨Eta Aquariids

哈雷彗星的塵埃，流星速度快、常有持續痕；黎明前 2 小時最佳，南半球條件更好。Debris from Halley’s Comet; fast meteors with persistent trains. Best two hours before dawn.

夏至June Solstice

北半球白晝最長；夏季銀河核心在午夜前後高掛南方天空。Longest day in the north; the galactic core rides high in the south around midnight.

半影月食Penumbral Lunar Eclipse

半影月食，月面亮度略減。A penumbral eclipse with slight dimming of the Moon.

英仙座流星雨Perseids

夏季最受歡迎的流星雨，數量多、火流星比例高，整夜可見，午夜後至黎明最佳。The summer favourite: high rates and many fireballs. Visible all night, best after midnight.

半影月食Penumbral Lunar Eclipse

半影月食。Penumbral lunar eclipse.

秋分September Equinox

晝夜等長，觀測季節再度開始。Equal day and night; observing season begins again.

天龍座流星雨Draconids

少數傍晚就能觀測的流星雨，輻射點在天龍座頭部；平時數量少，但曾多次爆發。An early-evening shower with the radiant in Draco. Usually weak but has produced major outbursts.

土星衝Saturn at Opposition

土星整夜可見；土星環傾角逐年變化，值得逐年比較。Saturn visible all night; the ring tilt changes year on year and is worth comparing.

獵戶座流星雨Orionids

同樣來自哈雷彗星，流星速度快而明亮；輻射點在獵戶座與雙子座之間，下半夜最佳。Also from Halley’s Comet; fast, bright meteors. Radiant between Orion and Gemini, best after midnight.

獅子座流星雨Leonids

以週期性流星暴聞名（33 年週期），平常年份數量不多，但流星速度極快。Famous for periodic storms every ~33 years. Normally modest, with very fast meteors.

雙子座流星雨Geminids

全年最穩定、數量最多的流星雨，來自小行星法厄同；傍晚即可開始觀測，深夜達高峰。The most reliable and prolific shower of the year, from asteroid Phaethon. Starts early evening, peaks late night.

小熊座流星雨Ursids

年末的小型流星雨，輻射點靠近北極星，整夜可見；數量少但偶有小爆發。A minor year-end shower near Polaris, visible all night. Low rates with occasional bursts.

象限儀座流星雨Quadrantids

年度三大流星雨之一，極大期非常短（僅數小時），輻射點在牧夫座北方，下半夜觀測最佳。One of the big three; a very sharp peak lasting only hours. Radiant near Boötes, best after midnight.

月偏食Partial Lunar Eclipse

月球部分進入地球本影，可見月面一側被地影遮蔽。Part of the Moon enters Earth’s umbra, darkening one edge of the disc.

日環食Annular Solar Eclipse

環食帶通過南美洲北部、大西洋與西班牙；台灣不可見。Annularity crosses northern South America, the Atlantic and Spain. Not visible from Taiwan.