The sensitivity of the camera was terrible. In summer, Meade’s software does a good job dark-subtracting second exposures and less well with second exposures. The field of view was microscopic. A detailed s exposure of M27, but without a software fix the raw image suffers from too much noise. I set it for 2x resampling and let AIP4Win stack the image series. When the DSI-Pro was announced, we briefly considered writing a book for new users who were sure to find imaging with these low-end cameras daunting — so I “invested” in a DSI-Pro. A sensor inside the camera takes the temperature of the chip and displays the data on your computer screen.

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You can opt-out at any time. Altair Hypercam M V2 mono astronomy imaging camera.

SkyCapture Software Download / Telescopes, Solar Telescopes, Binoculars, Spotting Scopes

He sent it to me. Adding filters will reduce the amount of light reaching the chip, so dark current and readout noise will inevitably lead to either considerably longer exposures or much noisier images, which seems to me like a lose-lose situation.

The Ring Nebula picture was taken in the fall of from my half-completed observatory. If you already have an AutoStar-controlled telescope, the DSI Pro II should be a serious consideration; the level of integration between software, camera and scope is excellent.

Messing Around with Meade’s DSI-Pro

Then I lock maede focus, close down Magnifier, dzi the exposure to 2 seconds, move to my target, and center it. Jim tried it first. Then, when you take an image, Envisage looks for the dark frame with the closest temperature match and subtracts it automatically to get rid of the noise — a really nice touch. This improves image resolution, increases the image dimensions and acts as a ,eade de-rotator, as long as your telescope is controlled by AutoStar.


Focusing is easy because my Newtonian’s diffraction spikes split into two parallel lines when the image is slightly out of focus. The sensitivity of the camera was terrible. A sensor inside the camera takes the temperature of the chip and displays the data on your computer screen. This data is also recorded against dark frames whenever they are generated.

I use Meade’s Envision dai to capture the image sequences. But once in a while everything worked, and images actually popped up on the computer screen.

Deep Sky Imager (DSI) IV

The software is coded in VS. When Dwi got my observatory fully operational early in summerI shot the four images that follow. In my experiments, the Meade software wasted a lot of usable exposures.

I make sure that I’ve got the right filename set up, check the dark-subtract box, verify that it’s set to save all images, reset the long exposure time to 30 seconds, and then leave everything alone for 10 to 20 minutes while 20 to 40 images accumulate. Stargazing breaks in the UK.


I haven’t tried to make color images with this camera.

The field of view was microscopic. On a cool night you can expose for several minutes. Bresser full HD deep-sky camera.

However, long exposures showed that the noise was evenly distributed across the image with no unwanted gradients. I csi use MicroSoft’s Magnifier program to blow up the image really big on the screen.

Cookies perform functions like recognising you each time you visit and delivering advertising messages that are relevant to you. The DSI-Pro, running at outdoor temperatures, throws away most of that advantage, but not all of it. In winter, when it’s cooler, the longer exposures might be superior.

I set it for 2x resampling and let AIP4Win stack the image series. And market-oriented companies like Meade know their customers: He got it to work but gave up on it as a serious CCD camera. However, for monochrome imaging mede DSI-Pro does well enough to be fun to mess around with.

Maybe I was a little jealous, or maybe just plain curious, but I had to see what Meade had accomplished.