Welcome to the staranalyser beta testing group The moderator...
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tomhow_uk
Jun 20, 2005 1:30 pm
Gosh its quiet in here. Whats the expected timetable on the gratings Robin? Tom...
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staranalyser
Jun 20, 2005 10:46 pm
Hi Tom, Only me and thee in here at the moment :-( I will remind the others when the first batch is sent out. We have six Beta testers confirmed and one...
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Tom How
tomhow_uk
Jun 20, 2005 11:03 pm
Hrm... guess I'd better put my telescope back together then - its currently in bits all over the house getting its summer servicing and a few, urm, ...
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staranalyser
Jun 21, 2005 8:31 am
Hi Tom, There could be something in this. I was looking up about vignetting the other day for another reason (I am starting to see vignetting with my camera at...
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Adrian Jones
opticalpath
Jul 5, 2005 10:26 am
Hi Robin, Tom and other 'staranalysers'. Well, my grating and spare bits arrived safely this morning, so here's hoping the weather will cooperate soon. I'll...
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Tom How
tomhow_uk
Jul 5, 2005 11:06 am
Morning Adrian. Have haven't been home to check my post yet - what are you initial impression of all the bits? I'd suggest you kick off with a range of bright...
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Adrian Jones
opticalpath
Jul 5, 2005 12:38 pm
Thanks, Tom. I should have looked at your website first. That's a very useful tutorial you've produced .... everything I need to get started! My initial...
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Adrian Jones
opticalpath
Jul 5, 2005 12:49 pm
Hi Robin. The grating and accessories look great! I just wanted to ask you (or PH) about the recommended method for cleaning the grating; mine has some specks...
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staranalyser@yahoogro...
Jul 5, 2005 3:29 pm
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the staranalyser group. File : /Star...
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staranalyser
Jul 5, 2005 3:33 pm
Hi all, Great to here the first batch of Star Analysers are out :-) Did they come with an instruction manual? I was a bit late producing it so in case you...
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patonhawksley
Jul 5, 2005 4:34 pm
Hello Adrian, Glad you got your SA overnight. 4 went out yesterday and 2 more today. We had a few problems with our pre-production units (which I won't bore...
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staranalyser
Jul 5, 2005 5:02 pm
Hi Adrian, The manual should give some idea of what to go for first. As someone new to spectroscopy I would be interested in your feedback on the user manual....
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Adrian Jones
opticalpath
Jul 5, 2005 6:00 pm
Hi Robin. Thanks. No, I didn't get a copy of the manual but have just been browsing the online version. looks very good and answers my question about...
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staranalyser
Jul 5, 2005 6:24 pm
If anyone is interested in knowing the diameter of the grating actually used in their particular setup, you can calculate it as follows: Diameter = sensor chip...
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patonhawksley
Jul 6, 2005 9:26 am
Hi again Adrian, The AR coating will stand wiping with a soft cloth - treat it as you would a lens surface - with respect. Regards Bob Hawksley PHEL ... a ... ...
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staranalyser
Jul 6, 2005 8:12 pm
Supernova sn2005cs in M51 with the help of a slit aperture. In twilight skies too! http://mysite.wanadoo-members.co.uk/astro2/spectra_17.htm Robin...
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robbieince
Jul 7, 2005 2:48 am
Hi everyone OK - just got my package through - seems very professional. Since its rainy ;o( I've been thinking about this a bit. I guess we need point sources...
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staranalyser
Jul 7, 2005 10:14 am
Hi Rob, Did you get your instruction manual? If not you can download it from the files section. It has a bit about what limits the resolution in there. (FAQ 12...
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home@...
robbieince
Jul 7, 2005 12:29 pm
Hi Robin Thanks, yes, I did get the manual and was thinking that it didn't mention focal length etc as a factor in the size of the spectrum image - but as a...
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staranalyser
Jul 9, 2005 10:07 pm
Hi all, First a couple of famous bright stars P Cygni and Beta Lyrae. No need for long exposure with the SC3 modified webcam with these :-) They would probably...
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staranalyser@yahoogro...
Jul 10, 2005 4:01 pm
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the staranalyser group. File : /Star...
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staranalyser
Jul 10, 2005 4:06 pm
Hi all, I have made a few minor changes and one major correction to the user manual. (The formula for the calculation of dispersion given under "Wavelength...
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Tom How
tomhow_uk
Jul 11, 2005 8:37 am
<http://astro.neutral.org/tmp/vega.tif> Managed to get the first spectrum out of the new grating. This was Pete using it on his LX200 instead of me on my...
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staranalyser
Jul 11, 2005 11:19 am
Nice first light Tom and Pete What camera were you using? Good to see on QCUIAG your Newtonian and newly cooled SC3 camera back in operation again BTW Robin ...
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Tom How
tomhow_uk
Jul 11, 2005 11:34 am
That was with Pete's black and white SC3. Its certainly nice to have everything back up and running again!...
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staranalyser
Jul 11, 2005 2:30 pm
Hi Tom, I gave your spectrum a quick run through Visual Spec. The atmospheric lines are showing up nicely too. I make the calibration 29.5A/pixel which makes...
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Tom How
tomhow_uk
Jul 11, 2005 2:35 pm
Thats exactly the same resolution i came up with! ;-) I don't know which of the spacers pete was using, I was too busy fiddling with my guidescope focus. I'll...
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staranalyser
Jul 11, 2005 3:32 pm
... lines up in ... If I stretch the spectrum image, I can see various lines apart from Ha from around 5870 to 8670. Mostly from O2 or H20 in the atmosphere I ...
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Tom How
tomhow_uk
Jul 11, 2005 3:54 pm
Robin I noticed those bands in the stretched result during processing... but wasn't certain if they were real. I will check out Christians image later on. ...
