Well, ordered by post Thursday afternoon and it arrived this morning. Excellent service! Thanks chaps. Of course the clouds are now gathering ... Brendan...
I've just installed VSPEC and am trying to calibrate my very first spectrum (of Aldebaran). I can open the image and get VSPEC to draw me an intensity graph,...
Brendan I am still using 3.0.3 - I didn't realise there was an upgrade. Some time ago I wrote this page <http://astro.neutral.org/eq/spec.html> outlining the...
Hi Brendan, The message you get is because Vspec has not been able to recognise the region you are trying to measure as a line. You may need to try selecting...
... Tom, Robin - Thanks for the tips! With your help I think I've got it going now. I was fooled by the fact you can right-click and get a menu that shows...
What's a "good" resolution to have in order to be able to distinguish some interesting lines in various stars? Using the formula in PH's manual I think I'm...
Alert From the AAVSO below. At about mag 11.5 it shold be a nice target for the Star Analyser. Robin THE AMERICAN ASSOCIATION OF VARIABLE STAR OBSERVERS 25...
Hi Brendan, The Star Analyser is only a low resolution device. You should be able to distinguish lines which are perhaps 50A apart, depending on your exact...
I have added a link to the spectroscopy part of my website in the groups Links section. Members are welcome to add links to their own websites if they wish. ...
... I'm having a pop at it as we speak. It's rather faint at 1x1 binning (I'm using a 10" reflector and a Starlight Express SXVH9 CCD camera). There does...
... Yep that will probably be H alpha(6563A). Confirms it is a classical Nova eg http://mysite.wanadoo-members.co.uk/astro2/spectra_13.htm Congratulations! ...
I've been having a torrid time with VSpec (it just keeps aborting on me) so I ended up writing my own program to process the spectra I got. My first result is...
... part of ... I've put a JPG version of it there as I don't think Yahoo supports FTS files :) The image is itself a stack of some 50 individual three-second ...
... relevent ... FTS ... second ... Hi Brendan, I think you can post any file type in the files area. I managed to get a graph from your jpeg of the fainter...
Hi Brendan, I have just been looking at your spectrum image and running through a few calculations. I make your image scale about 0.5 arcsec/pixel, which with...
... a ... sxvh9 ... 250mm, F12 = 3000mm :) One thing I noticed is that the spectrum doesn't seem to point straight back to the star. Is this normal or is ...
... Wow! that must be a nice planetary scope. In that case the focal reducer, if you can fit it in the train would be a good idea. (Mount it before the SA not...
... That's what I originally bought it for! It's only lately that I've drifted into imaging. ... the ... Eeek! Here's me thinking that with 9A/pixel I'd be...
Hello everyone I bought a star analyser about 2 months ago now and I have been using it with a 10" LX200 and an HX516 camera from Starlight Xpress. You can see...
Very nicely presented Philip! A good set of results - I am very impressed! PLanetry nebula only emit light in a few select bands - your triple image is exactly...
Tom Thanks for your reply. I followed the links you gave to look at your planetary nebula images. I like the one of NGC7662 particulary since the colours...
... the image and get a graph. My results were made using a VB.NET program I wrote for the purpose. To get a graph you just drag and drop the raw image file...
... With some of the brighter PNs it is possible to find good reference material to help locate the bumps in your own graph. Once you get familiar with the ...
Hi all, Are there any other options for analyzing the spectra other than VSpec? I can't get the darn program to save a file after I've worked on it... it...
... VSpec kept aborting on me in weird and wonderful ways, so I gave up on it and started to write my own program. But still a long way to go! At the moment...
Hi Brendan, Doesn't your AIP4WIN have a built in function for producing graphs from spectrum images? The latest version claims to, including subtracting the...
Hi all, For what it is worth, my procedure for processing spectra is as follows:- Capture - K3CCDTools Dark and flat correction - iPrep (Jon Grove) Align and...
just out of interest, my most current process (not yet on my website) is as follows Capture in k3 Align Stack in registax 3 with darks/flats Save FITS from...
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