年鑒使您能夠確定太陽、月亮和行星的上升、設置和子午線過境時間。它還使您能夠計算天文、航海和民用暮色的開始和結束。計算結果將格式化並寫入文字編輯器中。您可以執行所有常見的編輯功能，並將資料另存為文本檔。 年鑒中使用的公式假定一個理想的地平線，其中天空與觀察者地球表面的表平面的交集是地平線。對於上升/集計算，觀察者具有零高程，因此地平線與局部垂直正好為 90 度。穿過地球大氣層的光的折射往往使物體在天空中顯得比實際更高的物體。此效果會隨著物件高度的降低而增加。年鑒假設平均大氣條件，以補償折射。月球視差改變月球的感知高度，因為觀察者不在地球的中心。視差使月亮在天空中顯得較低。年鑒補償這種效果。太陽和行星的視差很小，可以忽略這個應用。
版本歷史記錄
- 版本 1.1 發佈於 2013-06-22
不適用
軟體細節
- 軟體分類： 首頁 + 愛好 > 天文學
- 發佈者： Abecedarical Systems
- 軟體性質： 免費
- 價格： N/A
- 版本： 1.1
- 作業系統： windows
終端使用者許可協定
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