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- Newsgroups: sci.astro
- Path: sparky!uunet!zaphod.mps.ohio-state.edu!darwin.sura.net!uvaarpa!cv3.cv.nrao.edu!laphroaig!cflatter
- From: cflatter@nrao.edu (Chris Flatters)
- Subject: Re: st6 images wanted
- Message-ID: <1992Nov19.225316.24612@nrao.edu>
- Sender: news@nrao.edu
- Reply-To: cflatter@nrao.edu
- Organization: NRAO
- References: <1992Nov19.214524.6479@organpipe.uug.arizona.edu>
- Date: Thu, 19 Nov 1992 22:53:16 GMT
- Lines: 16
-
- In article 6479@organpipe.uug.arizona.edu, newberry@kepler.as.arizona.edu (Mike Newberry) writes:
- >Skip the first 2880 bytes of the file, as this contains the file information
- >"header" in FITS format. Starting at byte offset 2880 will be found binary,
- >uncompressed, unpadded pixel data. The pixels are unsigned 16-bit integers,
- ^^^^^^^^^^^^^^^^^^^^^^^^
- >so watch out if unsigned integers might choke your software--these images do
- >have values above 32767. To turn this binary raster file into a 2-dimensional
- >image, note that there are 375 2-byte pixels in each row. There are 242 rows.
-
- If this description is accurate the files do not conform to accepted FITS
- standards. Either 16-bit integers are twos complement or SIMPLE = F.
-
- Chris Flatters
- cflatter@nrao.edu
-
-
-