親子觀星會

==

牧師在發團購要請找王牧師

原來還有這東西
ZWO 1.25″ ADC  大氣消光修正鏡，利用兩個稜鏡的調整，就可以克服低仰角行星的拍攝問題


http://taiwanastromate.blogspot.tw/2013/09/blog-post_30.html
如何拍攝天王星的雲帶
要拍雲帶會須要




Atmospheric Dispersion Corrector (ADC)
http://skyinspector.co.uk/atm-dispersion-corrector--adc

http://www.rkblog.rk.edu.pl/w/p/planetary-imaging-atmospheric-dispersion-corrector/

這東西其實沒想像中好用,1.那個位置必須隨行星角度調整,早年日本有出他是固定仰角又面有刻度所以該怎調是門技術
2.台灣是寧度主宰一切所以大氣色差好像也不是那嚜重要,因為很多神人也沒用這個而且拍的嚇嚇叫....
3.位什麼貼這裡因為這裡沒人  :P

貼這邊是方便  以後 網路 google 可以找到 , facebook 雖方便但是 查文章太麻煩 .

 ZWO ADC国外爱好者评测
http://www.astronomy.com.cn/bbs/thread-410058-1-1.html

(http://pic.astron.ac/forum/201612/06/095312zftppxda1bqop9dd.jpg)

(http://pic.astron.ac/forum/201612/06/095546hw468pnan9fzz82p.jpg)
Martin Lewis

http://astronomyconnect.com/forums/articles/zwo-atmospheric-dispersion-corrector-product-review.34/

Martin Lewis is a U.K.-based planetary imager, telescope builder,

這不是大氣消光喔，大氣消光是稱呼另種現象
這是低仰角光線穿過大氣時的色散，不同波長的折射角不同所造成

嗯嗯...說的是...消光(Extinction)這有兩種,一種是遠方恆星發射的光線被宇宙空間的氣體或塵埃所吸收或者散射...對地球觀測者而言,這種消光來自星星(行星,太陽.月亮包含)經過地球大氣層,因短波長的藍光被吸收,讓長波長的紅光透過,所以看起來會偏紅(紅化).這樣的消光也會造成天頂和地平附近的消光作用(大氣厚度有關)差了3個星等...這種現象是19世紀變星觀測者所發現到的.大氣消光和大氣折射(atmospheric refraction)或稱為大氣色散常被一併解說...

https://www.facebook.com/photo.php?fbid=1426195220734273&set=a.102609823092826.5761.100000314267997&type=3&theater


==

For users of the new ZWO ADC: Important!
https://www.cloudynights.com/topic/525563-for-users-of-the-new-zwo-adc-important/


https://www.cloudynights.com/topic/519276-the-zwoptical-adc/

How to connect a Vixen Flip Mirror and a ZWO ADC?
https://www.cloudynights.com/topic/536499-how-to-connect-a-vixen-flip-mirror-and-a-zwo-adc/

 ZWO ADC startup position

https://www.cloudynights.com/topic/524281-zwo-adc-startup-position/

With the ZWO ADC, you would only very rarely need to rotate it in the focuser due to the extra long and overlapping lever slots in this design.

 

When you first point it at a planet, place both levers together where the ZWO ADC slot levers overlap, along with the white screw in the rotating scale. Tighten that scale screw just a bit, so that the scale can still be easily rotated when desired with light to moderate drag--- you just don't want it to rotate accidentally. Assuming straight through use, insert it into the focuser and rotate the ADC body until the levers and white scale screw are pointing parallel to the horizon--- if it's an inverting image scope, both levers should be pointing to the left.
Then adjust the levers to correct the planet's dispersion. As the night progresses and the horizon reference requires readjustment, rotate the scale upon the ADC (NOT the ADC itself in the focuser now) until it's white screw is again pointing parallel to the horizon. Then move the levers into the correction position with the gap between the levers centered on the white scale screw.

沈宗麟 :  兩個環，一個轉傾斜棱鏡方向，另一個轉傾斜棱鏡傾斜角度。

要先在歸淋位置  調整扭朝上水平

https://www.facebook.com/photo.php?fbid=2033343073356089&set=p.2033343073356089&type=3&theater
 趙偉光 
(https://scontent.ftpe8-4.fna.fbcdn.net/v/t1.0-9/39026917_2033343076689422_2394186818590343168_n.jpg?_nc_cat=0&oh=d11e63fe121792789a97e0a0326f6c2c&oe=5C082771)

 

牧師 開課  說ADC  使用

http://familystar.org.tw/index.php?option=com_smf&Itemid=45&topic=32592.0


(https://scontent.ftpe7-2.fna.fbcdn.net/v/t1.0-9/67231287_2867737379934823_4073354151826817024_o.jpg?_nc_cat=111&_nc_oc=AQlb5dhWPMWMe8AZgrPIiMhIpYOI6nyTFwB5TtzfX9GNe6eOjDm-LJuWeeaU5dT35jL1Md_7Y8vHrd6JsNU4z-TH&_nc_ht=scontent.ftpe7-2.fna&oh=c25646af4360122d5cf830bcaa9a5ad2&oe=5DABFC71)

https://www.altairastro.com/Altair-ADC-Atmospheric-Dispersion-Corrector.html


http://www.ianmorison.com/combating-atmospheric-dispersion/


(http://www.ianmorison.com/wp-content/uploads/2017/06/ZWO.jpg)

https://www.facebook.com/photo/?fbid=4213661268662377&set=gm.3758338840889585

(https://scontent.ftpe7-3.fna.fbcdn.net/v/t1.0-9/149235024_4213661271995710_1259981883614585113_o.jpg?_nc_cat=102&ccb=3&_nc_sid=825194&_nc_ohc=t7KGuA5T2RsAX-2uk4c&_nc_oc=AQkN7Oh8JLaGtSgpT7w0CoYQMkFK_3u-3rn6Cu3df6icGvzf0QVuhDPOCHxI20YMKks&_nc_ht=scontent.ftpe7-3.fna&oh=7cdec81bb6d0600bd1aeb1070c388473&oe=60550F97)

出現eadc了