algwat
29-12-2014, 02:52 PM
Gidday all,
If you feel you need to do astrometry on your images and don't really want to spend good money for those sophisticated all in one software packages.
I have an alternative work flow using some free to use downloads that you can play with before the big commit on the dollars.
I use ImageJ a lot, it has plugins that can read Canon EOS CR2 raw images and do a scripted process on them. Currently I convert the image to a basic b/w 32bit fits fie. Could be a JPG or TIFF or PNG.
Then using Asrotorilla the new basic fits image can be solved and an update file saved with new keywords.
Now, back in ImagJ, using the Astronomy tools plugin, you can directly measure the position of an object. As I did here for comet lovejoy the other night.
A few more scripted macros, allows me to load a series of images and measure the location of the comet. Then make a cropped stack with the comet now centered in the image.
Willing to expand on this topic, with some short imagej macros , if your interested....:)
Kind regards, Alan
If you feel you need to do astrometry on your images and don't really want to spend good money for those sophisticated all in one software packages.
I have an alternative work flow using some free to use downloads that you can play with before the big commit on the dollars.
I use ImageJ a lot, it has plugins that can read Canon EOS CR2 raw images and do a scripted process on them. Currently I convert the image to a basic b/w 32bit fits fie. Could be a JPG or TIFF or PNG.
Then using Asrotorilla the new basic fits image can be solved and an update file saved with new keywords.
Now, back in ImagJ, using the Astronomy tools plugin, you can directly measure the position of an object. As I did here for comet lovejoy the other night.
A few more scripted macros, allows me to load a series of images and measure the location of the comet. Then make a cropped stack with the comet now centered in the image.
Willing to expand on this topic, with some short imagej macros , if your interested....:)
Kind regards, Alan