I'm working on a new scheme to do high-cadence photometry using CCDs by shifting the image during exposure. (Shift the image, pause for a millisecond or so,...

Hi. This is my first post to the group. I've been kind of read in the background, and now I have a question. Does anyone know of an adapter that...

Hello all, I will appreciate your feedback on imaging astronomical objects in the twilight sky. This information will help in determining the CONTRAST...

I'm setting up a gallery for a site, and there are a lot of astrophotos taken the old-fashioned way with film, but more and more with either CCD's - and more...

Ok after fooling around with web cams and digital cameras, its time to make the leap and buy myself my first real CDD camera, After months of surfing web pages...

Hello. It's on sale at Amazon right now - $99.99 with free shipping. And they ship within 10 days even though they say "out of stock". Check it...

Does any one know if the Celestron Advanced Series 8" SCT is any good for CCD imaging? I know that the G9-1/4 was bad from personal experience, but has...

Any experiences with this or reviews? http://www.celestron.com/neximage/ Jim Horn

Hi there, I have to give up observing for health reasons, and have put most of my astronomy kit up for sale on Ebay UK. Apart from the NexStar 11 GPS...

Call for Papers From: International Association of Engineers (http://www.iaeng.org) Journal Engineering Letters (http://www.engineeringletters.com) The 2006...

Hello, Let me present you something that you don't use to talk about : the ET presence. It is so important for yourselves and the people around you that...

Hi, I need to measure the Photon transfer function and the camera constant gain K of a CCD camera. How can I measure it on a simply a correct way? Thank you

Hi Mike, I ran into this little freeware program (RxPec) that uses a Registax Project file and charts, using Excel, alignment/periodic error information. The...

I have a Kodak Megaplus 1.4i for sale - no longer required here. If anyone is interested, you can bid for it on ebay:...

Hi, I'm an visual observer with some experience. But now, I'm planning to start CCD astronomy. I've two telescopes: · My portable telescope is a Vixen Newton...

Like many other people I am interested in choosing a digital camera or two for dual use. i.e. astrophotographs and terrestrial photographs as well. Is there...

I imaged IC5146, the Cocoon Nebula for 72 minutes. The image is an RGB of 24 minutes per component, each component a sum of 4-minute unguided frames. ...

Is there anyone in the Howard County, MD area that has experience colliminating a Dob? Would you be interested in helping a newbie out? I did the collimination...

In my quest for equal-opportunity comet imaging, I have imaged a much dimmer comet than the currently bright C/2002 T7 LINEAR. My images of 43P...

Hi all, directly from the sky of Rome (Italy) http://www.danilopivato.com/solar_system/comets/45p_honda_mrkos_pajdusakova/2011.10.02.htm Kind...