Thanks, Drew Wasn't that long ago I realized, by way of orbiter photos and photos by some of the 'big dog' lunar imagers, that the moon's surface is actually...
Shot a 4 frame mosaic of the 6 day old moon with the 4 inch ED and DMK21 camera. Seeing was not great, but transparency was excellent. Captured a rather...
Hi Ray So far all I've been using is Photo Shop 5.0 and manually assembling the elements. None of my mosaic have contained more than 6 or 8 sections. Pretty...
Inspired by Jim Ferreira's very nice recent moon images I shot this: http://www.ancientstarlight.com/images/Moon_VMC260_4-3-09.jpg (3 Mb file) 2 frame mosaic...
WooHoo! Excellent. Is the mosaic made up of single frame CCD images? Looks like seeing was pretty good out your way. I tried imaging the same night and...
... I could get about 2/3 of the orb in a frame so that is 2 frames, overlapped. I took 3 subs of the north part and 3 of the south part, inspected those and...
... Instead of wavelets, you might consider trying the high pass filter in photo shop. One iteration at 3 - 5 pixels radius, then one or several iterations at...
... I'll try that. Yes, the key thing I used Registax Wavelets for was to control which size structures were sharpened. If I can contrl that as well in...
Is it possible that monochrome CCD camera somehow uncovers miscollimated SCT much better than DSLR ? I am using the same optical train as last month...
Hi Alex, That's fairly likely. When you debayerize a DSLR (or any non-foveon single shot color sensor) you effectively end up with a set of R, G, and B images...
How heavy is your monochrome camera? Are you using different spacers/adapters? Another possibility is that you have flexure in the imaging train with the...
yes it is heavier than DSLR, does flexure have a significant affect on star shape ? if yes I guess I d have to remove one component after another, but that...
Hi Alex Is there a significant difference in pixel size between the two cameras. Just because you're working at the same focal length doesn't mean you are...
If the elongation is in a constant direction (rather than radial), it is likely that the ccd isn't correctly aligned to the focal plane. This could either be...
CCD is st-10 which I belive has around 6.7 micron pixel very close to if not the same as in canon 20D DSLR yes elongation is only in one direction will try to...
Jon, can you please elaborate on this: "ccd isn't correctly aligned to the focal plane"......meaning it is not strictly perpendicular to the focal plane due to...
Generally, when the CCD isn't square to the optical axis you will still see stars in good focus across a portion of the image, while stars on either side of...
nope, as stated in original post star elongation is the same for 30 and 300 seconds and always to the right. also it is not due to the tracking as I tested the...
Just uploaded the crop region of m51 to the file section (M51 RGB Alex folder) to illustrate star mishape, would appreciate comments what can be the cause....
Alex, Looks like SCT miscollimation to me. I have seen this before on my 9.25. Try collimating again on a star bright as close to M51 as possible & see is...
Hi all, Seeing was fair last night, but transparency was poor so contrast suffers in this image. Still 4 moons recorded, Cassini's Division is visible and the...
Had a go at shooting Saturn in color with my new single shot color video camera, DBK21. I still have much to learn in terms of color management, but it is...
I suspect your ED will work pretty well with this camera. Your electric-pink Saturn is some other problem in white balance or processing. Did you white balance...
Saturn is not electric-pink?!! Was kind'a wondering about that.... I did not white balance, nor, at this point, am I aware that I can do it with the camera...
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