pcet 发表于 2005-6-9 09:45

南十字星的另类色彩——天文名家的摄影作品

http://antwrp.gsfc.nasa.gov/apod/image/0407/040523cruxa_seip_c1.jpg

天文学家Stefan Seip在04年5月份于纳米比亚(Namibia)拍摄了这张美仑美焕的照片

赵垒 发表于 2005-6-9 10:31

怎么拍的呀？ :?:

梅林 发表于 2005-6-9 11:06

有器材的类型吗？？

活动星图 发表于 2005-6-9 12:12

怎么拍的呀？ :?:

散焦拍摄！

漂亮啊！

:o

pcet 发表于 2005-6-9 15:46

详细说明来了 :arrow:


Object ................................... The Southern Cross (Crux)

Name .................................... -

Date + Time .......................... May 23, 2004 / 0:00 UT

Location ................................. Farm Okumitundo, Namibia

Optics .................................... Hasselblad/Carl Zeiss 4/120mm

Tools ..................................... -

Detector ................................ Kodak Ektachrome E200 Prof. 6x6 cm

Exposure Time(s) ................... Approx. 30 minutes

More Details ........................... -

Mount .................................... Fixed mounted on a photo tripod

Guiding .................................. -

Processing Details ................... PhotoShop

Notes ..................................... I focussed this image progressive. I started with a totally defocussed setting. During the exposure, I changed the focus every 40 seconds in 'infinity'-direction. Before the end of this sequence I covered the lens for approx. two minutes before I let the light pass again for about 10 seconds. This last exposure time made the sharp star at the end of each trail.

I had no watch or stopwatch handy, so I had to count the 40 seconds in my mind: One, two,... Therefore all times are estimated times only.

This technique shows the constellation as well as the star colors.

Stefan Seip

:D

赵垒 发表于 2005-6-9 16:01

我的天~~~~~~哈苏

pcet 发表于 2005-6-9 16:46

没错
哈苏 :D

若凡 发表于 2005-6-11 09:35

厉害啦

wait for 发表于 2005-6-11 13:59

堪称完美

蓝星仔 发表于 2005-6-11 14:23

名家就是名家佩服！

Eldghost 发表于 2007-2-2 22:18

万箭齐发……

Alone狼 发表于 2007-2-3 10:00

有創意！::0020::

花楹 发表于 2007-2-3 14:17

太帅了!!

vincent 发表于 2007-2-3 22:06

太漂亮了::24::

dicky88 发表于 2007-2-21 22:33

太漂亮了,是好东西就要支持

闲庭漫步 发表于 2007-2-23 01:11

俩字 抽象::0023:: ::0023::

恩祁 发表于 2007-7-21 22:35

天文学家就是不同反响::victory:: ::victory::

江涛 发表于 2007-7-21 23:40

去年就看过了，朋友也拍过，不过效果方面还没这么好

江涛 发表于 2007-7-21 23:44

不过拍摄参数还是第一次看。。。。学习了
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