香港天文論壇

下星期出發到美國，請問可在哪買到約A4 size的膠質黑色太陽filter? 謝謝

日全食用. 我原有的好像有穿孔的情況, 安全點還是買新的好. 請問在哪裏可以買到?

我要120mm的, 必須在11月7日前送到香港, 可以嗎?

我會在10Nov至15Nov在Cairns停留, 有興趣聯系者可email j@ij.hk

我已經訂好機票, 10 Nov 到Cairns. 有興趣到時一齊睇的請保持聯絡.

Qantas 6月19日前有特價, 賣得好快! http://www.qantas.com.au/

For the 03.jpg, edge of the Sun is blurred. I wounder if it is simply 1. bad focusing, 2. bad seeing, or 3. vibration. From the double edge of the sun, I suspect it is vibration. Dears, We have prepared but did not expect to observe the black drop effect today. It really happened. At about 10 minute...

Sorry! my telescope is 80mm, not 70mm. That's why I can't capture blackdrop effect? The same settings at 6sec before 3rd contract (12:31:18pm) 1/8000s ISO100 Again, no obvious blackdrop effect. This is taken at Star Avenue, about 9sec after 2nd contact. I don't think there is obvious black drop effe...

The same settings at 6sec before 3rd contract (12:31:18pm) 1/8000s ISO100 Again, no obvious blackdrop effect. This is taken at Star Avenue, about 9sec after 2nd contact. I don't think there is obvious black drop effect. I took a series of pictures around 2nd contact at a rate of about 1.5Hz. Details...

This is taken at Star Avenue, about 9sec after 2nd contact. I don't think there is obvious black drop effect. I took a series of pictures around 2nd contact at a rate of about 1.5Hz. Details: Time: 6:29:46am Skyrover 70ED (d=70mm, focal length=560mm) Canon 30D 1/1000s ISO 250 Raw -> Jpg, 200%crop, w...

有希望在月全食時看到銀河嗎?

關你(我)乜事? 你(我)有票咩?

MOON TO 寫:

johnsonlau 寫:你地成日講的PTC, 可唔可以在google map上指出確實位置? Thanks!

你在西貢碼頭坐小巴，在北潭涌巴士站落車，落左車見到個巴士站向左手邊行十幾步會見到一個空地。

係哩個停車場嗎? http://g.co/maps/s5h4u

同天文公園/東壩相比, 觀星條件如何? 可以見到銀河嗎? 我希望在月全食其間可有機會見到銀河 (當然還要看天氣)

半夜要在東壩出來, call的士會否很困難?

你地成日講的PTC, 可唔可以在google map上指出確實位置? Thanks!

觀測月全食, 是否有必要盡量遠離光害? 在全食其間光害會有很大影響嗎? 有人打算去水口籮箕灣或石澳嗎? 在月食當晚應有很多人到那些地點觀測, 應該不怕治安問題吧?