香港天文論壇

有可能是供电的电池不足...

波士不如整埋个STI 啦 [爽]

http://www.sbig.com/sbwhtmls/STi.htm

波士乜都有！ [想入非非]

If you want to use #909 to connect to LXD75 to accept ST-4 guiding signal, you'd need to have the Autostar (old version) firmware patched. See the Autostar patch kit here: http://www.weasner.com/etx/autostar_info.html The formal autostar firmware doesn't support #909 on telescope besides "old" LX90,...

好正！

想请教一下星点是如何能做到咁细的？施卡镜的星点都比较肥大

我的目标 [遠目]

The LX90 mount is still not so stable enough. After mounting with a Nikon D700 with battery box, and tried the M33, the result is bad with obvious vibration. You can try to search some information on www. Here are a lot of re-modified item to sell, such as gear, bear, and so on. That will make it t...

willis 寫:Good trial! At this focal length & exposure time, the stars are round! Did u collimate ur scope before imgaing?

No. I just do the collimation when I want to do planet imaging.

捻咗好耐点解我部相机有呢个合影，我一的都冇印象，原来是食饭个时沈沈摞咗我部机去影。

其实我都冇点用佢个对焦程序，貌似不太好用。我就系逐张睇慢慢调，其实都好快就得。

The LX90 mount is still not so stable enough. After mounting with a Nikon D700 with battery box, and tried the M33, the result is bad with obvious vibration.

M57, ISO800，3x 600s

Another PS version...

M27， ISO800，5x 600s

M20, ISO800，5x 600s