Official StarTools support forum

To all who posted in this thread, a salute and thank you. I have been using the wrong one, it always pays to read carefully...Thanks Ivo, I went back and processed one of the images and had better results....Thank you

I consulted the unofficial user guide about Auto Dev. and it left me with a question, How much of the image do I highlight as if I'm cropping, I normally click on the upper left hand corner and drag down and to the right until the entire image is highlighted. Then I move my slider (ROI) over to 50%...

I consulted the unofficial user guide about Auto Dev. and it left me with a question, How much of the image do I highlight as if I'm cropping, I normally click on the upper left hand corner and drag down and to the right until the entire image is highlighted. Then I move my slider (ROI) over to 50%,...

The longer you expose then yes, more background noise will accumulate - however, if the target is actually brighter than the background then the signal will always accumulate faster than background noise. You are only interested in signal that is above the background noise level, that is the only d...

I wanted to ask if there is a possibility that I'm over doing my images for the equipment I have, Canon T2i, celestron c6a. I took an images of M31 with my camera piggybacked on my scope and the image was 5 lights at 120 sec each! took a few darks and that was all. Processed in Star Tools and it cam...

Bias and flats you need, but darks are a bit of a waste of time with DSLRs because the camera is not temperature controlled and so it's very difficult to obtain a valid master dark (the camera will heat up significantly during exposures unless you get rid of the battery and use an external power su...

Bias and flats you need, but darks are a bit of a waste of time with DSLRs because the camera is not temperature controlled and so it's very difficult to obtain a valid master dark (the camera will heat up significantly during exposures unless you get rid of the battery and use an external power su...

Glenn, You've done a good job with the data at hand. There are a number of issues with the data, with the major problem being the severe vignetting and very uneven illumination. You need to take flats - they are not optional! Another issue is that the data seems to have been meddled with beforehand...

Chris, here is the result I got Did you see the Purple haze in the top while processing? I'll see what Ivo can do with it, Ivo, when you look at this, can you work up a file list especially when you get rid of the haze? Thanks

Hi Glenn, in case you missed it there is a PDF StarTools Manual (unofficial but still an excellent resource). Well worth a read :) http://www.startools.org/download/StarTools%20Manual%20V1_3_5%20Unofficial.pdf ChrisH Hey Chris, I downloaded that manuel, Thank you, I played around a bit with that sa...