DM寻星 发表于 2013-4-10 19:12


哈哈,霸气呀

weiying 发表于 2013-4-10 21:10

传说中的大师呀!

水犹寒 发表于 2013-4-10 21:22

说实话国外玩天文的都是有钱的主,如果连日子都过得吃紧,谁还有闲情逸致玩这个!

yaoshugang1 发表于 2013-4-11 00:41

嘿咻__嘿咻__ 发表于 2013-4-10 17:35 static/image/common/back.gif
楼主英文都不认识怎么在加拿大混啊

英语怎么能难得住我,不是英语问题,是专业问题,我还算是个小白

yaoshugang1 发表于 2013-4-11 00:43

kingkey 发表于 2013-4-10 14:12 static/image/common/back.gif
他家真漂亮!

国外好多都是这种房子,比北京的房子便宜多了

yaoshugang1 发表于 2013-4-11 00:46

sonic5188 发表于 2013-4-10 14:23 static/image/common/back.gif
呵呵,与大师交谈,能学到不少,不错啊

感觉人特别nice,他帮我这种新手推荐了10''的道布森望远镜,但是我想摄影,为了这单反去年打折时都买好了。

yaoshugang1 发表于 2013-4-11 00:47

1044184994 发表于 2013-4-10 14:29 static/image/common/back.gif
有这个大师的联系邮箱嘛

有,你谷歌就能谷歌到的

yaoshugang1 发表于 2013-4-11 00:50

bambooforest 发表于 2013-4-10 17:02 static/image/common/back.gif
大师交流的别的邮件也能发来看看吗?学习学习~

好,那我就全贴出来了,给我回的邮件特别长,人真的很好。
第一封
Hi Shugang,
Thanks for your interest in the scope, but shipping 3 boxes will raise the price too much. This scope sells for 809$ at retailers, see skywatcher canada web site. I would like to tell you that this equatorial mount will be better solution for observing than dobsonian telescope, but I was wrong.The thing I do not like with this equatorial mount is that whenever you change the target, you need to unlock the mount ( takes 5 seconds ) and you need to position the telescope on the new target. Other worse thing is that the eyepiece position will also rotate up or down, AND YOU MUST UNLOCK ANOTHER 2 KNOBS AND ROTATE THE COMPLETE TUBE SO THE EYEPIECE COME IN RIGHT POSITION FOR VIEWING. After you need to lock thattwo knobs. Really annoying and frustrating. So I will not recommend telescope with EQUATORIAL mount. Plus, when you look at the eyepiece and want to work with the manual controls, they are FAR AND IT IS HARD TO REACH THEM , very frustrating. With 10" and 12" telescope I think that it is even impossible to touch them. So I decided to sell the telescope, but after some time I decided to keep it because I invested in solar filter 150 $, and decided to live with this problems.
What I really recommend you is Dobsonian telescope, no setup time at all, just go on the field and you are ready to observe, ( 30 minutes to assemble the equatorial mount you will need),
easy moving of the telescope, just touch it with finger and it moves, and no need to reposition the eyepiece, it is always in ready position for observing. And dobsonians are much cheapper than equatorial telescopes!!!
I will recommend you Sky-watcher collapsible dobsonian, bigger aperture better, 8" is good from dark sky, 10" is excellent, and 12" is fantastic from DARK sky. I noticed on astrobuysell one guy from alberta I think is selling one 10" collapsible sky-watcher dobsonian, if you can lower more the price , grab it immediatelly for 500$!!! If you want more aperture, buy new 12" or wait some to come on the ads, but it is not very likely I think. For completely enjoying the sky, you will also need to buy one or two GOOD and expensive eyepieces.
The best thing to choose a telescope is to go to a star parties , or local club observing nights, and ask the people as many questions as you can, ask them to show you how to operate with the telescope, and to look through the telescope. Then you will see which telescope you like most and gives you the best views, and then buy that new or used.
Regards, zoran

第二封
Shugang, I am in toronto , came here 10 years ago from macedonia, and I am amateur astronomer over 30 years, since 11 years old.

You need to learn a lot about astronomy. Do not rush with buying!!!! The thing is every telescope and every mount have some advantages and disadvantages!!! You need to see which ones are BEST for you, and make COMPROMISE, that means with one telescope and mount you will get something, and will lose something, and with some other mount and telescope will get what you lose with first, but will lose what you can get with first. There is not universal telescope for everything - one is light and with small mirror, other is with big mirror but very heavy, one has computer, other no, etc etc

LEARN, LEARN, LEARN FIRST, after spend your money !!!! Do not buy nothing now. It is nothing wrong if you do not have telescope this summer, but just join your local astronomy club and enjoy with your fellow members. Go this summer to some star parties. See what people have, ask people to look through the telescope, ask to try to operate, look what eyepieces they have, how fast they set up the telescope, ask as many stupid questions as possible. All those people will help you and explain you something.
FORGET NOW THE ASTROPHOTOGRAPHY, will cost you a lot of money, keep you money for now.
I understand how eager are you to buy the telescope right now and to see the stars. FIRST join local club, here the main society is RASC - royal astronomical society of canada which have chapter in every big city, and of course in edmonton probably -look on google RASC - EDMONTON. The yearly membership is around 70 dollars, but you will get 6 issues of canadian astronomy magazine SKY NEWS - look on google for SKY NEWS MAGAZINE. This is the start for your learning. The club and the magazine - and your computer - visit some astronomy sites - look for them at google - specedaily, spaceref, there are soooooo many.
Maybe the best option is to buy some used small telescope for around 200-300 dollars, some 8" dobsonian will be OK and one good eyepiece, so you will not be idiot around your fellow members, but you can start actively volunteering and show the people the moon and the planets !!! Yes!!!
There are many things to consider before buying a telescope , and trust me ALL of them are EQUALLY important, like : How heavy is your telescope, how much weight you can lift, how big is your car, you are planning to travel to dark observing sites ( then simple but big dobson will be the best), or you will only observe from your backyard ( than computerized mount will be OK ) , etc etc. So, when you go at observing or star parties ask everything and look everything - people with computerized mount cannot observe before they allign the mount, that means before 21.45 pm they are out of the game. You with big dobson will be ready AS SOON AS sun set in 20.00 pm !!!, just point to the brightest planet and youalredy entertain the visitors!!! Simple yes, but I spent a lot of time and money to learn all this. Watch how many times at computerized people the computer mount will freeze per night, and they need to start allignment again ( 40 minutes job ) - haha and look - as soon as they allign for the second time - the clock is already 23.00 pm hahaha - watch them how they sweat all night !!! in fear the computer will freeze. ALL of them are at the edge of nervous breakdown haha. And you ??? You with big dobson will entertain the people from 20.. pm till 24 pm , very relaxed and with smile. Sometimes computers break down and you need to send the mount to california - repair will cost not less than 500 $. if warranty is finished you need to consider this too because sometimes the budget is small and tight!!
Zoran

大家学习一下

277514 发表于 2013-4-11 06:14

这位大师有qq吗:D

yaoshugang1 发表于 2013-4-11 10:52

277514 发表于 2013-4-11 06:14 static/image/common/back.gif
这位大师有qq吗

额,人家不玩QQ,他有脸书

bambooforest 发表于 2013-4-11 13:19

大师说得很好啊,先学习知识,不急着买装备,多学习了才知道什么真正适合自己~

嘿咻__嘿咻__ 发表于 2013-4-11 18:07

yaoshugang1 发表于 2013-4-11 00:41 static/image/common/back.gif
英语怎么能难得住我,不是英语问题,是专业问题,我还算是个小白

呵呵~不是对你说的~

keleiart 发表于 2013-4-12 12:23

那镜子相当威猛啊

277514 发表于 2013-4-19 08:43

看看

david Li 发表于 2013-4-25 09:12

本帖最后由 david Li 于 2013-4-25 09:19 编辑

呵呵,这个不是他家,是协会的一个天文观测点,大圆顶里面是1.9米的镜子,c14后面是40cm折射镜圆顶。由于没有经费维护,现在关闭了。1。9米的镜子现在勉强维持,光轴需要重新校正,像质一塌糊涂,这个要费些功夫,我们这个观测中心,定期对公众举办讲座,可以说几乎大拿们都是协会的会员-The Royal Astronomical Society of Canada。

yaoshugang1 发表于 2013-4-26 01:05

david Li 发表于 2013-4-25 09:12 static/image/common/back.gif
呵呵,这个不是他家,是协会的一个天文观测点,大圆顶里面是1.9米的镜子,c14后面是40cm折射镜圆顶。由于没 ...

你好,我想买一个12寸的牛反,你们那边有卖二手的吗,我想买一个便宜点的二手货,谢谢

david Li 发表于 2013-4-26 08:46

yaoshugang1 发表于 2013-4-26 01:05 static/image/common/back.gif
你好,我想买一个12寸的牛反,你们那边有卖二手的吗,我想买一个便宜点的二手货,谢谢
...

现在没有,推荐你去cloudy nights那里的二手专业,能淘到不少好东西,12寸的300-400能弄到,shipping是问题,有些美国境内免运费,你可以在美加边境美国一侧找个仓库,东西送到仓库,然后开车过去拿,这样,所有成本加起来,你再算算,大家伙有时候还是便宜的。加拿大这边太少了。
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