I use DSS for alignment and stacking of my images. I used to use ImagesPlus from Mike Unsold but the alignment only uses 2 stars, which can lead to a slight...
I thought that might have been the reposte to my 8MB comment. The biggest chip I have used for astroimaging is an 8MP canon 20Da. Â The 39K was your sole...
within the past two months I have purchased three 1.5TB drives. the ASP was about $115 each. they are Seagate USB2 external drives. Â they are nearly free...
I am currently shooting NGC7023 as a project for the PL39K camera. Because it has a bright central star that easily saturates/blooms etc, I am limiting the...
Sam Download the PDF and then look on page 11 Here's the scenario: your target has a really bright star in it and you need to limit your subs to prevent...
the analysis ignores all noise sources except for read noise and the shot noise of the signal itself the dark shot and dark fixed pattern noise as well as the...
I decided to reprocess my data from last weekend since it is rainy this weekend. I used a different method this time: DeepSkyStacker (free program) for the...
Michael there is an important thing to keep in mind the s/n of the image is just the linear product of the s/n of the flat field (what we were analyzing) times...
This is another image from last weekend that I reprocessed today. Again it is rainy this weekend so this gave me my astro-fix... Taken with the AP180EDT f/9...
I took this on Friday night. I planned to take additional exposures Sat but the winds picked up and kept whipping around my AP180EDT so it was pointless to try...
this is 7 hours 15 minutes total. it was taken the last two nights from my ranch in the Sierra foothills the exposures were all 15 minutes: 29 total. the full...
15 x 10 minutes; ap180edt f/9 and PL39000C several galaxies in the shot, some are actually resolved pretty well. the colors are a bit subdued, I probably...
this was taken using a 6x7 format Pentax SMC 300mm f/4 lens with an FLI PL39000C one shot color camera. this is 39megapixels in RGB. total exposure was 11 x 15...
Hi Richard, ... The resolution is astounding, but IMO 39Mp is getting a bit too big for easy web viewing. How about having a look at Zoomify as a possible ...
i quick question for the group expertise : I do need to setup an experiment with a very high out of band rejection situation, more than 1e7 factor. ...
the main issue would be internal relection between the filters. Â i too have thought of this issue, with stacking 2 lpr filters, one with good 589nm rejection...
thank you Paul, actually, this is for non-astronomy usage... I had to find something else fun for these bad seeing nights. Having fun with single molecule...
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the narrowbandimaging group. File :...
narrowbandimaging@yah...
Jun 10, 2009 1:48 am
6744
sounds like it would work the way you stated Benoit you could play some games by tilting one relative to the other and exploit the blueshift to give you a very...
i understand they make fine filters ... From: Benoit Schillings To: narrowbandimaging@yahoogroups.com Sent: Tuesday, June 09, 2009 6:56 PM Subject: Re: [NBI]...
Hello, This is my first post here, though I've been actively reading all the posts and some of the excellent articles that members have written. I find I've...
the main advantage of the KAI4022's electronic shutter besides the ability to take non-saturated images of bright objects like the sun or moon (really short...
I have a ML4022 and have used it for narrowband imaging a little bit. the sensor is the KAI4022, same as the SX you are considering. I have not used a camera...
I have used the SXV H16 in an astronomy project, setting out to characterise the performance for photometric measurements. Â the results, I am afraid did not...
Hi All Clear weather last night so I set everything up and then disaster struck, my LVI smartguider wouldn't work, it kept stopping in the callibration phase....
Having problems with message search?
Fill out this form to ensure your group is one of the first to be migrated to the new message search system.
