Документ взят из кэша поисковой машины. Адрес оригинального документа : http://www.astro.louisville.edu/shared_skies/archive/select/stars/orion/rigel/20110103/notes.txt Дата изменения: Fri Nov 23 11:33:53 2012 Дата индексирования: Thu Feb 27 22:29:52 2014 Кодировка:

Target: Various bright stars

Date: Night of 2011-01-03 - 2011-01-04

Time: See Unix timestamp in file name

Telescope: CDK125

Camera: Nikon D3s

Filters: None

Exposure time: Various - see file name

Observer: John Kielkopf

Processing: John Kielkopf

Images are jpgs from the camera rotated in Gimp to put N up and W to the right.


If the exact time for an image is needed, extract it from the
timestamp in the file name. For example

betelgeuse_8s_12800iso_1294105784.jpg


is an 8 second exposure at ISO 12800 taken at Unix time 1294105784

which is Tue, 04 Jan 2011 01:49:44 UTC

using

http://www.onlineconversion.com/unix_time.htm