月亮太陽欣赏和觀察---林月笙香港天文台

刚刚试玩了下Registax 5.1 ,把AVI叠加200张看看，用法要比IRIS简单容易得多。

今日下载了好几套通用软件,现在web cam 拍月基本上有4个方案已定下来,目的是要拍高清和放大倍数高(MIZAR 4“ 最大定为120倍)的月面。

1. 用谱通web cam ，以通用的avi拍录软件，在registax/Iris 叠加成照片。一般web cam 估计相当于focal length 大约在8mm的目镜那样，因此放大数约在7，80倍。还是不够大（差4，50倍），因此要试在0.965"的2X barlow(160倍）下的情况。1.25"的3X Barlow 达到240倍估计成像不行的，因为在目镜里都已经那么差。

2.用DSI I 拍,以前拍完是没有叠加的,现在要叠加起码100张以上看看,但放大只有70倍那样是肯定的,因此要想办法在0.965"的2X barlow 下试验。

3.购买全新的Philip spc900nc , 连1.25" adpater 只要680 RMB 。
已与买方联络好，但估计没那么快决定要。此web cam 性能肯定要好很多，不过放大倍数方面估计也只能是70/80倍那样，因此也要 想办法再放大多一倍才够。像上面的用0.965" barlow 。

4.用高压拍录软件，得到高压缩后的AVI，再把AVI转换一些高清的档案格式，比如DVD，Mpec,APPLE TV 等等，然后用高清播放器软件直接在动画中扑捉 JPG照片,那样便有可能直接地可以得到高清的照片，而并不用任何叠加处理，当然也可以再叠加。目前这只是构思。
其实理想放大是200倍起码的,但那是MIZAR镜没法做到的了,只能看日后的ORION 6" 牛反了,但该镜是计划半年后才会用的。因此现在只能那样，但以上的更新动作，也要同时考虑到日后Orion镜的配套上来。

今晚想了一个最简单又可靠的方法就是把web cam 固定到DC万能架上,那样便可以插得上1.25"和0.965"的目镜座或者Barlow 上了。
现在都完全准备好了，就等好天月亮出来。

今晚终于有空试了下web cam .
没加 barlow 放大,云厚。
果然比用DC目镜后好 !

向实践派学习

NO.5)
It's long time no take an astro picture ,
cause recently not always stay at home .
Tonight , I come to take a picture of Archimedes .
I pick up the moon map , nevigate the moon surface for nearly 15 minutes . And center the eyepiece after I can locate the Archimedes . Then use web cam to shoot it . Finally make the picture by Registax software .

山名你都认识，在那差的

有了月面地图，便有根有据。
图中点4还是当年1971年阿波罗15号登陆地点呢。
你大概在照片上也能看到那地方的位置了。

No.6)
.............................

deleted .................

NO.7)

Last night the moon was very bright , actually not a good time to take a image ,atmosphere was not stable as well .

This time I tried my new bought 1.25" 2X barlow together with the web cam . Previously I had failed to capture a good 3X barlow image , cause too big magnification for my 4" telescope and blur the image indeed . But this time with 2X barlow , the image is still acceptable . I am satisfield with this cheap price Barlow very much .

This time the target is the "比利牛斯" mountain chain , the BillyNews mountain chain . You can also see some nearby crators , and such magnification is just enough for me , compared with those taken previously without the barlow

Finally , this time I write my report on the next day of observation night . So that I can have plenty of time to prepare a better image . Before I didn't pay too much attention on the image processing indeed , cause I don't have much time to try on the night time . So,this morning I am free in office and try more on the software REGISTAX . I found it has good tools to make the image better and sharper . That's a good and neat software .

No.8 )

Dear Joe ,

I see . Thanks for your care

So the wind last night had passed and left .
I had found a chance to take a moon photo last night .
It's the Mare Imbrium , a large oceanic area on the moon .
You can check several apparent areas as well from the moon map I provided , I had bold it in Red blocks .

The FOV of this picture ( DSI plus 2X barlow ) this time is about 12" , according to the indication on the moon map software . Starting from now, I can use this software to physically measure the FOV of any telescope imaging system . And I can even measure the distance between two points on the moon directly . In the old time , I can only calculate ( i.e. estimate ) the FOV , but now I can measure it directly and PHYSICALLY with the help of the actual moon crators , this is very important to me .

I am not using a web cam this time indeed .
282 flames is collected in about 5 minutes from DSI .
Comparing to webcam , Just several second can be collected for such number of flames in a video format . The shorter the time , the less the requirement from the mount's tracking . So DSI surely can cause more shifting in image than the web cam . However , such image shifting can be recovered easily from any image-process software . And DSI is more sensitive than my ordinary web cam , ( even the price is more exspensive ) , thus , I may use DSI to take moon photo in future , and totally replace the use of a web cam . Because DSI is more generic in my situation .


Clear skies everybody .

NO.9)

The moon is rising up the hill , behind a tree .
This moment leaves silently and fastly .

The picture was shooted at 7:00p.m tonight , within less than 10 seconds time .
I focus on the tree , and let the moon become a blured background .

1. 2010/12/24圣诞平安夜,焊登CLOUDY NIGHTS
MOON CRATERS
http://www.cloudynights.com/ubbt ... /sb/5/o/all/fpart/1


2. 2010/12/20 焊登美国论坛
Moon Craters
http://www.astronomyforum.net/mo ... html#post1057242540

3. 2010/12/07 焊登台湾论坛
月面欣赏和觀察
http://familystar.org.tw/component/option,com_smf/Itemid,45/topic,9826.0

2010年12月31日,焊登台湾"数位男女"
http://bbs.mychat.to/reads.php?tid=901956&page=1#ptpc

NO.10)
-------------------------

<<台湾>>

技安:2011-01-10 23:04:58

好天氣ㄝ
台北快發霉啦...........


MANDII : 今天 09:33:11
呵呵,不行的,作晚整个天就一个月亮。


<< US ASTRONOMY >>
Joe Lalumia : Yesterday, 07:56 PM from Rockwall, Texas

COOL! --- thanks for posting them. You may be able to get better use out of the DSI camera by following this planetary photo instructions:
AutoStarSuite.Net - Planet settings for DSI color cameras
are you using the free Registax software to stack your photos?
http://www.astronomie.be/registax/



carnevali : Today, 04:22 AM from morehead, KY
Good work, MANDII. Sounds like you have been busy and having fun making the images. Thanks for sharing your work.




MANDII : Today, 11:21 AM
Thanks Joe for your more detailed DSI information , yes , I am using the Registax 5.0 .
That seems to be a good software , and easy to use it .

And thanks Carnevali as well .

Recently , the night is not so clear , always misky night , I can't see the other stars , except the the moon , and Jupiter .

Hoping Clear skies to all of us .







<< CLOUDY NIGHTS >>
Scott Beith:01/10/11 07:21 PM from Frederick, MD
Nice observations and photos.


big george :01/10/11 08:29 PM
Enjoyed your observation report and nice pics.
Thankyou for posting.

George


MANDII : 01/10/11 10:24 PM
Thanks Scott Beith , and big george .

Recently , the night is not so clear , always misky night , I can't see the other stars , except the moon , and Jupiter .

Hoping Clear skies to all of us .

好帖,收藏了.

好帖,收藏了.
changbaike 发表于 2011-1-11 11:57

                               
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谢谢