有 427 筆資料符合您搜尋的條件

gary125
週二 19 7月, 2005 14:11
版面: 廠製儀器 Factory Equipment
主題: 諗緊買CG-5~大家有咩意見呢?
回覆: 16
觀看: 7502

Re: 諗緊買CG-5~大家有咩意見呢?

you may have a look on this link.

http://www.cloudynights.com/documents/3mounts.pdf
clcwong 寫:唔該呀^^!
gary125
週五 24 6月, 2005 17:02
版面: 天文話題 Everything about Astronomy
主題: 我的天文觀
回覆: 63
觀看: 25530

Folks: We have tried to discuss real science with a 「九龍皇帝」 type of friend from the mainland. The understanding of the world is different among us. So, I think it is right time for me to stop here because I have plenty of stuff to do, including planning the next messier object to shoot when my new to...
gary125
週五 24 6月, 2005 10:36
版面: 天文話題 Everything about Astronomy
主題: 我的天文觀
回覆: 63
觀看: 25530

Yes, agreed. The whole thread of the so-called 「Astro theory」 makes me ( I means as a Chinese) humiliated and this thinking was very strong when I was visiting Beijing during last Month for the souvenir shops selling 「皮優」 for their extra-ordinary ability to give fortune to the owner. The underlying ...
gary125
週一 06 6月, 2005 10:52
版面: 談天說地 Chatting Square
主題: 有關E200
回覆: 5
觀看: 2253

No. it is also very good for use in day to day photo taking.
gary125
週二 17 5月, 2005 16:54
版面: 自製天文望遠鏡 Amateur Telescope Making
主題: The making of 30 in telescope - 17, polishing finished.
回覆: 2
觀看: 5250

Re: The making of 30 in telescope - 17, polishing finished.

Dear Chanlunlun,

have you considered to issue the process of making the 30 inch scope into S&T magazine :-D
gary125
週六 14 5月, 2005 11:15
版面: 二手交易場 Second Hand Area
主題: Vixen SS100 4
回覆: 13
觀看: 11224

Vixen SS100 4

Due to no space in home, the following item is re-opened for sale: 1)Vixen SS100 OTA, 100mm aperture, 680mm focal length, over 90% new, come with original carrying bag, helical focuser. 2)Tan-14-made aluminium-cell / badder solar filter unit for SS100 3)William optics VR-1 1.25」 violet reduction fil...
gary125
週一 09 5月, 2005 17:56
版面: 天文活動消息 Astro Activity News
主題: 坐井會 聖誕節韶關及湖南觀星及旅遊團
回覆: 58
觀看: 32586

I gone to xiu kuan before, it is very wet & cold in winter time. however, for star gazing, it is a good place for 石坑崆, it was windy at night. I gone there in the evening and the team only stayed for 1 hour ( too windy for the place and we are too hungry for the dinner) . however, the winter milky wa...
gary125
週三 27 4月, 2005 13:50
版面: 天文攝影 Astrophotography
主題: Saturn under DSLR
回覆: 13
觀看: 9661

Dear Raymond, you may refer to following link. http://www.hkastroforum.net/bbs/viewtopic.php?t=831 Eye piece projection is usually set up for digital camera whose lens cannot be removed, while prime focus is used for DSLR. Any diagramme or website to show the setup for Eye piece projection for DSLR ?
gary125
週二 12 4月, 2005 10:26
版面: 天文觀測入門 Introduction to Astro Observation
主題: 公元2000年,是白羊座年代
回覆: 1
觀看: 4921

Re: 公元2000年,是白羊座年代

a general description on zodiac can be found in Hong Kong space museum 's home page:

http://www.lcsd.gov.hk/CE/Museum/Space/ ... _index.htm

pls serach for :
黃 道 十 二 宮

august 寫:請問:
點解2000年會命名為白羊座(21Mar~20Apr)的年代?而不是雙魚座(20Feb~20Mar)
gary125
週四 07 4月, 2005 11:18
版面: 天文話題 Everything about Astronomy
主題: 香港的大學有冇天文學讀?
回覆: 23
觀看: 11554

When I was studying A-level, I found applied mathematics is more difficult than pure Mathematics. However, when I attend university, I soon found that such feeling was due to the lack of good A-level text books and the text book used by me always jump steps and lead to confusion. I 『d recommend matr...
gary125
週五 04 3月, 2005 10:35
版面: 二手交易場 Second Hand Area
主題: for sale: vixen viper mc90
回覆: 11
觀看: 10778

Re: for sale: vixen viper mc90

Dear all,

the scope is reserved to an astro-farmer. thanks all for interested.

Dear Wah!,

ss2k refer to Vixen 's goto system sky sensensor 2000. FYI, I have also used some Sk2 product when I was young. :-D
gary125
週五 04 3月, 2005 09:35
版面: 二手交易場 Second Hand Area
主題: for sale: vixen viper mc90
回覆: 11
觀看: 10778

price reduced to HKD $1400 (only consider to sell the scope in HK)
gary125
週四 03 3月, 2005 12:00
版面: 二手交易場 Second Hand Area
主題: for sale: vixen viper mc90
回覆: 11
觀看: 10778

AFAIF, Viper is still in production BTW, I purchase this scope is for testing of the electronics of Viper with my SS2k. the joy stick controller is an expert design and traditional push-button controller ( N,S, E,W with speed setting) is clumsy and difficult to use!! 你果然係Vixen既hardcore fans, 連祗係出過一段...
gary125
週三 02 3月, 2005 21:37
版面: 二手交易場 Second Hand Area
主題: for sale: vixen viper mc90
回覆: 11
觀看: 10778

actual picture of my viper with original gift box in the background :-D
gary125
週三 02 3月, 2005 09:51
版面: 二手交易場 Second Hand Area
主題: for sale: vixen viper mc90
回覆: 11
觀看: 10778

the mail system of hkastroforum seems to have problem. interested party of the vixen viper scope may conatct me via gpolam@yahoo.com directly

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