SingAstro

http://i.imgur.com/1lZsFDP.jpg http://i.imgur.com/xP1ovpV.jpg http://i.imgur.com/SGb0Uhj.jpg Marketed in western countries as Orion Versago III or Explore Scientific Twilight I Made by Kunming Jinghua Optical Co. , they are the OEM factory for some Vixen and Meade products and also own the Explore ...

Yup, it is not possible for a 4inch scope to see the "less than schoolbus size" spacecraft at that distance. Theoretical limit is 2.8miles Use this calculator http://www.stargazing.net/naa/scopemath.htm key in these specs for the ultima 100 100mm diameter 528 focal length eyepiece focal le...

Probably birds or bats ?

http://www.bbc.co.uk/news/science-envir ... icRSS20-sa

1km only !

http://www.celestron.com/browse-shop/astronomy/telescopes/series/nexstar-evolution-telescopes wifi app and lithium-ion battery built into the mount brass gears Control your telescope wirelessly from your iOS or Android smartphone or tablet with the free Celestron mobile app with planetarium interfac...

Cheryl wrote:Thanx for the info pple!
Anyone use the Celestron Granite 10x50 binos? How good are they?

I did an online search and the estimated cost at a USA site is under SGD600 with USA-SG shipping and 7%GST, compared with 1.4k local.

Better to ask this forum for your location...
http://stargazerslounge.com/

from the famous bino guy in Macau



source: http://www.astronomy.com.cn/bbs/thread-287353-1-1.html

Gary wrote:Nice share. Thanks. Wonder what's dobsonian in chinese.

No direct translation, they call it 牛DOB , DOB牛反 or simply 牛反.


Source: astronomy.com.cn forum

I've been surfing some china websites and decided to compile this list for the convenience of others. 折射镜 Refractor 施卡 Schmidt-cassegrain 马卡 Maksutov-cassegrain 牛反 Newtonian reflector 卡塞格林 Cassegrain 焦距 Focal length 光轴 Collimation 像场 TFOV 广角目镜 Wide-angle eyepiece 目视 Visual 色差 Chromatic abberation 多层...