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Last Post

Reading binary table imagesStarted by:massey, 07/06/2018 03:52PM
I have some images produced by the UKIRT
WFCAM pipeline. An example can be found
at:
http://www.lowell.edu/users/massey/w20171208_00206_sf_st.fit

I can load this image into ds9
standalone, but no matter what I've
tried, I can't access any of it usi...

1062

By: massey

07/19/2018 12:33AM

Host Script Help & QuestionStarted by:accrama, 01/22/2014 03:48PM
Hi everyone. I would really appreciate
your help.
I am doing a very simple host script to
run QPHOT.
I am having trouble loading packages.
(Running IRAF V 2.15.1a in MAVERICKS
10.9.1 in MacBook Pro)

The script asks for all the packages
needed for ...

1052

By: fitz

01/22/2014 05:39PM

IRAF Development Roadmap UpdateStarted by:Jason Quinn, 06/08/2015 10:20PM
The original IRAF Development Roadmap
was posted back on September 30, 2013.
It's now mid-2015 and approaching the
2016 change of development priority. Is
it possible to get an update on the
roadmap? For instance, which features
were chosen for develope...

1050

By: fitz

06/10/2015 05:20PM

Iraf imexamine task crash on macOSStarted by:kyika, 09/08/2018 12:02PM
I am currently using astroconda, pyraf,
and ds9 to process my image, and I meet
a bug very similar to this one :
https://iraf.net/forum/viewtopic.php?showtopic=1466317

The version of software as well as
hardware I am using is :
macOS High Sierra 10...

1046

By: kyika

09/08/2018 12:02PM

Lacos errorStarted by:KarolinaS, 12/06/2018 10:53AM
Hello,

I have a problem using tool lacos from
stsdas package. When I try to process my
image, there is this error message:
ERROR: Cannot open image (lacos7332ec)

"median(sigmap,med5,5,5,zlo=INDEF,zhi=INDEF,verb-)"
line 193: home/karolina/iraf/...

1045

By: KarolinaS

12/06/2018 10:53AM

ERROR: integer divide by zeroStarted by:mnmaulana, 11/06/2016 06:43AM
Hi all,
i'm new to iraf. i'm trying to display
1-D image i made but when i use display
command i get this error "ERROR: integer
divide by zero", anybody know why i get
this error and how to fix it?

thanks,
mnmaulana

1044

By: fitz

11/14/2016 05:17PM

illuminationStarted by:Mike Potter, 10/07/2014 04:02PM
I think I've looked in all the usual
places - but I cannot find help for the
illumination task - even on this site.
As an example,

noao$twodspec/longslit/doc/illumination.hlp'

does not seem to exist. I'm using
PC-IRAF Revision 2.16.1 EXPORT.

...

1041

By: Mike Potter

10/08/2014 03:45AM

Imexamine: Started by:Gaba_p, 11/03/2016 05:22PM
The output of
[url=http://stsdas.stsci.edu/cgi-bin/gethelp.cgi?imexamine]imexamine[/url]'s
'[b]a[/b]' (performed over a star)
includes the "mean background" in the
column named 'SKY'.

What is the difference with the
'[b]m[/b]' column 'STDDEV' perform...

1037

By: fitz

11/14/2016 05:42PM

directory names with spacesStarted by:duvall, 10/18/2016 12:45PM
If I have a directory name with spaces,
I can't seem to cd to it:

(in a shell)
mkdir "test 2"
ls
test 2
cd "test 2"
(ok)

(in iraf)
dir
test 2
cd "test 2"
ERROR: Cannot change directory to 'test
2'
called as ...

This seems to happen on...

1037

By: fitz

10/18/2016 12:53PM

Geomap taking too long to runStarted by:NovaGirl, 07/28/2016 12:03AM
Hi everyone,

I am a complete beginner to IRAF, and I
am trying to align some fits files using
geomap and geotran.

I am running geomap right now, but it
has been very slow until now. The output
looks something like:

geomap @CoordList.txt datab...

1033

By: NovaGirl

07/28/2016 03:19AM

Can you automate an imexam task?Started by:sscibell, 09/06/2015 08:07PM
Hello,

Is it possible to automate a cursor
command in imexam so it can be
incorporated into a script? It seems
that you can do this if you give image x
and y positions and then the key stroke.

However, I am trying to determine the
y-location of a...

1028

By: fitz

09/10/2015 04:23PM

ecidentify: not saving wavelength sol...Started by:fuzzyduck, 10/10/2017 04:30PM
So I am running ecidentify (on a new
anaconda installation of iraf). I have
marked my wavelengths and fit a
solution.
However, the solution does not appear to
be saved. When I do an splot of the
spectra the dispersion axis is still in
pixel units (and...

1026

By: fuzzyduck

10/10/2017 04:30PM

Procedure ErrorStarted by:sscibell, 09/14/2015 06:51PM
Hello,

I am trying to pass parameters to script
tasks and I keep getting an error saying
"ERROR: Illegal variable declarations."
I tried simply following a script from
'IRAF CL Script Tips & Tricks' :

ecl> procedure askit (question)
>>>bool ...

1018

By: fitz

09/15/2015 10:42PM

PyRAF doCmdline fail on startupStarted by:aeschneider714, 10/16/2017 03:39PM
Hi all,

I have been trying to figure this one
out all weekend, but I can't seem to
find a similar error online. I have the
anaconda environment with the legacy
IRAF/PyRAF installation. IRAF works
perfectly fine and I have installed
iraf-all and pyraf...

1006

By: fitz

10/16/2017 03:47PM

Errors in 2.16.1?Started by:jeanm12, 11/21/2013 11:24PM
Hello,

To start with, my computer is a 64-bit
machine running CentOS 6. I have been
doing some echelle data reduction and
ran across a few things that might be
bugs or errors.

Running IRAF 2.16 with IRAFARCH=linux:
- I found that ecreidentify did...

1001

By: fitz

11/22/2013 02:13AM

script cl issueStarted by:Chuck Horst, 01/05/2012 08:37AM
I am looking for a way to test if a file
is empty or not in a script. I see
access to see if a file exists. What
would be a good way to tell if it is
empty. The returned value would be used
to test.

Thanks...chuck

1001

By: fitz

01/05/2012 08:37AM

Garbage output when using imexamStarted by:EmilyDick, 02/10/2015 11:05PM
Hello,

I am using Cygwin on a Windows 8.1 to
run iraf and ds9. I used this tutorial
for the download:
http://www.iac.es/sieinvens/siepedia/pmwiki.php?n=HOWTOs.IrafCygwin

I am having trouble when using imexam on
an opened image on ds9. There is garb...

994

By: fitz

02/10/2015 11:11PM

canStarted by:giannicatanzaro, 05/07/2019 07:22AM
hi all
I cannot read with iraf FTS files
download from AAT archive, even if I
rename them in .fits.
Typical error I get is
ecl> splot RUN0002.fits
ERROR: MWCS: dimension mismatch
(mw_open)

or when I use imheader
ecl> imheader RUN0002
RUN0002...

986

By: giannicatanzaro

05/07/2019 07:22AM

tfitlin in IRAF helpStarted by:blackhole612, 09/15/2016 09:00AM
Hello,

I am working on converting some IRAF
scripts to Python, and I came across
this command that I couldn't find in the
docs, Google search, or on this forum.

What does the command tfitlin do
exactly? Or is there documentation on it
somewhere? ...

983

By: fitz

09/15/2016 05:41PM

Imalign will not shift imagesStarted by:riley, 07/25/2018 05:52PM
Hi, I'm running pyRAF 2.1.15 with DS9
7.6, on Ubuntu 18.04. I'm trying to use
imalign, and it refuses to shift my
image. The command executes, but it just
outputs the image as it was before.
Here's my lpar:
[code] input = "image1.fits" Input
images ...

979

By: fitz

08/01/2018 06:25PM

MSCIMAGE issueStarted by:mcp, 10/17/2015 08:53PM
Whenever I try to use MCSIMAGE I get
this: " ERROR: No input image data found
in 'input.fits' ". My input files are a
mosaic images and I can open them
normally using MSCDISPLAY. Following
http://www.noao.edu/noao/noaodeep/ReductionOpt/frames.html,
I us...

975

By: fitz

10/21/2015 05:10PM

Max file sizeStarted by:CosmicLettuce, 10/04/2014 06:58PM
I have a ~2.6GB fits file with
extensions, and I'm getting a 'Cannot
open file' error message when I try to
do something as simple as imhe. Is this
file too large?

Thanks as usual --- Cosmic

965

By: fitz

10/06/2014 03:43AM

trouble getting fc to compile my old ...Started by:buta, 07/20/2015 03:43PM
Hi,

I have a relatively new MAC OSX desktop
(with Yosemite 10.10.4 upgrade) and have
installed iraf using iraf-macosx.tar.gz.
As far as I have been able to tell, the
installation was successful. However, I
have had trouble getting task fc to
compile ...

954

By: buta

07/20/2015 03:43PM

ccdproc not editing parameters in bet...Started by:tasso1db, 07/28/2016 04:10PM
Hello,

I'm trying to make a script that
automates my reduction process for ccd
images. However in my script ccdproc
doesn't seem to want to change my
parameters in between the steps. For
instance after the first step where the
bias is made, I want th...

952

By: tasso1db

07/28/2016 04:10PM

Imarirth outputting an MEFStarted by:jbs045, 06/18/2015 03:43PM
I'm a Pyraf user, and I think that it
may have something to do with my
problem, but I am using imarith to
multiply a constant by a non MEF fits
file, and for whatever reason, it is
outputting a MEF when I don't want to
it. Here is my surrounding code:
...

948

By: fitz

06/30/2015 05:47PM

SAOImageDS9 7.6b1 is now availableStarted by:joye, 05/16/2017 08:02PM
SAOImage DS9 7.6b1 is available at
http://ds9.si.edu/site/Beta.html.

Now available, the all new Windows 64bit
and 32bit ports of DS9. Supports IIS,
threads, RGB, 3D. Fully functionality
with all other platforms.

941

By: joye

05/16/2017 08:02PM

Flatcombine acting Strange (?)Started by:AJH_IU, 10/21/2015 02:31PM
I'm having issues combining my flats
(already separated by filter) using
flatcombine. For full disclosure the
motivation for this is my A305 class and
we are supposed to be "getting our feet
wet" by reducing some data. I have
brought this to my AI's and...

939

By: fitz

10/21/2015 04:18PM

EUV Package - detpos not finding dete...Started by:DamianJC, 06/23/2015 10:19AM
Hi All,

This may be obscure and outdated, but
I am trying to make some EUVE light
curves with the
EUV package (v 1.9 from 2/1/00 on a mac
with IRAF 2.16) and one of the
functions, detpos (detector position)
is not finding the reference data,
eve...

931

By: DamianJC

06/26/2015 06:43AM

agetcat on usnob1@noao gives not 404 ...Started by:Santiago, 12/08/2016 01:45PM
Hi, i'm trying to solve some plates with
agetcat, ccmap, etc, and i cannot
download the usnob1@noao region, i get
an html 404 not found page. Was this
task deprecated or some? Maybe my way is
not fancy, anyways to plate solve with
other iraf package? My...

912

By: fitz

12/08/2016 04:23PM

Problems with identify/reidentifyStarted by:grayro, 04/06/2017 03:46PM
Hi, I am writing an IRAF script for an
observational spectroscopy course that I
am teaching which takes a previous
wavelength solution and applies it to
comparison spectra for stars taken that
night. I have written and used scripts
like this many time...

900

By: grayro

04/07/2017 12:30AM

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