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Showing results for tags '127mm mak'.
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Hi all, haven't been able to get the scope out much lately due to the weather, but have managed a couple of half decent Jupiter images since new year. I've been trying out Autostakkert2 and Planetary Image Preprocessor (PIPP) for preprocessing, aligning and stacking frames instead of Registax, though I am still using Registax6 for wavelets. This is probably my best effort from Jan 5th, a little early for the GRS it is just coming into view on the right hand (Western) limb. Happy new year and clear skies to all
For once I set up my two catadroptic imaging scopes together to see how they compared, and how well the smaller one cut through the crud. C8 SCT on SE mount, ASI 120MC, ADC, processed in Registax6, 3000 frame video. Celestron 127mm Mak on Nexstar SLT mount, wood tripod, ASI120MC , ADC, processed in Registax6, 3000 frame video. The 127mm images are slightly smaller, placed second. The bigger scope seems to do better. I thought that Saturn did not change much and was just a seeing test target, but the shadow of the planet on the rings is now distinctly asymmetrical. The dark smudges in the C8 Mars images correlate well with real features. Mars altitude about 11 deg. The dust storm seems to be over. The seeing was better than it's been for a while.