Differences

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--- en:news:ucac4_streak [2013/03/04 16:27] – pch
+++ en:news:ucac4_streak [2015/11/06 20:43] (current) – external edit 127.0.0.1
@@ Line 52: / Line 52: @@
 About 2000 streaks in the 1300 regions were processed, leading to the identification of 48,372 streak stars.
-If you are interested in learning more about this process, you can download a [[http://www.ap-i.net/pub/skychart/ucac4/pass6.zip|zip file]] with a spreadsheet summarizing the data, the perl script used to do the extraction and measuring for one streak, a batch file which could be used to re-create the streak results, and source code for the modified extraction and measuring software. You will also need to download the [[ftp://cdsarc.u-strasbg.fr/cats/I/322A/UCAC4/u4b|UCAC4 binary catalog]], and the [[http://www.star.bris.ac.uk/~mbt/topcat/|TOPCAT]] software.\\
 Here is the same region shown at the top of the page after streak removal:
 {{:en:news:big_sky_over_m8-after.jpg?600|Region near M8 after streak removal}}
+The version 2 of the UCAC4 catalog for Skychart is available from the [[en:Download|download page]]. It include this improvement and a correction to the proper motion of some stars.
+\\
+If you are interested in learning more about this process, you can download a [[http://www.ap-i.net/pub/skychart/ucac4/pass6.zip|zip file]] with a spreadsheet summarizing the data, the perl script used to do the extraction and measuring for one streak, a batch file which could be used to re-create the streak results, and source code for the modified extraction and measuring software. You will also need to download the [[ftp://cdsarc.u-strasbg.fr/cats/I/322A/UCAC4/u4b|UCAC4 binary catalog]], and the [[http://www.star.bris.ac.uk/~mbt/topcat/|TOPCAT]] software.\\