香港天文論壇

賣了嗎?

Please count me, thank you

Dear Mr Kwan,
I also want to have one, Please count me, thank you

I also want to join.

智通公司 寫:您好:這款 EQ4 赤道儀已調校至低於北緯 20 度 使用（香港是北緯 22.7度），不需要自已作出修改 ，我公司現時生產的 EQ4 赤道儀没有這個問題。谢谢!

Hi Mr Huang,

is The EQ4 included ，帶極軸鏡，帶3公斤平衡錘 ?
and is the motor 雙軸摩打 ?

Hi Huang,

Could you tell me how much about EQ4 set (included motor & triop), And also how much shipping to HK ?

Thank you,

Hi kevin,

I also join too

Eric Mok

Hi All, What the 赤導儀 should be suitable? I do the quotation about EQ5 on ZT. It is about RMB 2800. I find it is expensive. 你的budget幾多，用來載什麼鏡？是太空館的自製鏡嗎？ 主要用途是什麼？ 1. 只是目視觀測 2. 用toucam拍行星或月球 3. 用來影深空天體，星雲星團 Hi "XR250" Thank you for your reply, I think I will use it to take a photo "星雲星團" with my 太空館的自...

Hi All,

What the 赤導儀 should be suitable? I do the quotation about EQ5 on ZT. It is about RMB 2800. I find it is expensive.

Hi Mr Wong,

Could you do the quotation about EQ5 set included motor and polar scope ?

Thank you,

Eric Mok

Hi All Teachers, Tonight I still keep work on paraboilizing. Unfortunately, My mirror was borken. I am very unhappy. Now. What should I can keep (e.g pitch) ? or How to keep ? Of course I want to re-make my 4" mirror to complete my first make telescope ! Could you give me a suggestion ! Thank you, B...

Hi Kevin,

It is good reference for me !

I still work hard on my first mirror!

Eric Mok

make a telescope 06 classmate

Hi All,

What is my mirror now! is it 偏球面?

What method should I do now ?
Pitch upper ? 1/4W ?

Thank you

Eric Mok

make a telescope 06 classmate

Thank you, kevin ?

Dear All,

Why I have this question, because my mirror R=940mm

I have polish about 6hrs, but the Ronchi pattern was same as 1st, we take at the classroom.

Why should I do, (e.g. polish method) ?

Eric Mok
make a telescope 06 classmate

Hi kevin, How to polish from temp2.jpg picture to noraml ?

Thank you

Eric Mok

make a telescope 06 classmate