Taken with the Maksutov 180mm F/15 & ASI174MM camera.
Click on the image for a larger view.
These two images of Cassini and Aristilus compare the ASI290MM and the ASI174MM on the same conditions, on the same telescope. The details seem to be really the same, allthough the image scale of the ASI290 is much more enlarged, it does not necessarily show more details. The Frame rate of the 174MM was a lot higher.
I guess the real test would be to do this exercise with a barlow in front of the ASI174MM. A éX barlow would enlarge the image scale, and at the same time the frame rate would still be 40FPS compared to 15fps for the ASI290MM.
After creating the Heart nebula in a mosaic a month ago, we had some semi-clear nights last week, in which I could try and stitch the Soul nebula to the Heart.
Unfortunbately these nights were also very foggy, sometimes fog banks floated over, with barely star visibility. The good news is that SGP (Sequence Generator Pro) kept up trying, despite star loss in PHD, to continue making lights. While sleeping. So that’s really wonderfull.
The end result, needless to say, did have that much gradient sin the final image that I do not consider it a result. It’s more an exercise. The final mosaic had 10.000×12.000 pixels and took 1,5 Gb TIFF or FITS size. Both AstroPixelProcessor and Photoshop had issues digesting this large file. In fact it’s so large that Astrobin or this website cannot upload it.
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