Marian
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iOptron CEM 26 1.5" or Sky-Watcher heq5 pro
Marian replied to Marian's topic in Getting Started Equipment Help and Advice
That sounds really good. -
Hey everyone, I am about to upgrade my equipment and I came across the ioptron. Would it be perhaps even better then the Heq5 pro? iOptron CEM 26 1.5"
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Tried again tonight. No Siril yet.
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Ok. Kinda scared of Siril. Seems to be quite complex
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so I took them white shirt pics. I thought it would be ok against the sky. Well, I was wrong. It did take away those black spots, those color differences around edges.... it also brought blue-ish shade towards the top However, now I see the point of flat frames What about bias frames? Are they really mandatory?
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How many frames do I take? Can I use them again later?
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Do I need a light source behind the sheet of paper?
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I'll try to remember that, thx.
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Oh wow... so much text. I'd have to find a video. (not too good with texts, done a college degree without ever buying a book)
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After a fight with the mount. I had a good polar alignment. (I used the PHD2 polar drift alignment) I did the calibration twice, but it seems to make it somehow worse or at least it made no difference. The curve (both, the blue and the red as well) went off the grid few times. The whole screen flashed red few times. Anyway, after couple hours of being outdoor, the first pic is just about 20 minutes stacked, the other 2 pics of 1,5min. some darks with them. Somewhere close to M44. I just couldn't find M44.
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ISO 800 was just a white screen, I did ISO 200 and ISO 400 Why no dark frames? Those are the only I am able to do :)) (calibrate simply by subtracting the offset (2048)..... no idea what that means. I never tried Siril HTH = another thing that don't know what it means
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LOL as far as the flat frames are concerned. I just realized, I won’t be able to do those today. I don’t own any white shirt.
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The moon is just way too close, flooding the sky. There is no way I can find the M44. Not even with my dobsonian
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any tips for my cam settings? ISO? Exposures? (Canon 600d)
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I’ll try. I can see some light clouds coming. Also the moon will ne quite close. But I’ll give it a try.
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I actually tried and liked to use PHD polar drift alignment. That fixed my poor alignment from the last time. Took me about 40 min to get it done, but when I did the 3 star alignment after, I was quite close. I’ll look into calibration and I’ll do the calibration frames. Any ideas for a target to train on? I can see east, south, southwest sky from my place.
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This was only a test of the guiding. I sure will do the flat frames when I choose a real target. Tonight, if the weather stays clear. The spring sky here doesn’t give much though.
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yes 10 dark frames. Same settings as the light frames. There are some darker round spots, dirty camera I suppose.
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And with that, last night, (another cold one), I tested how does it guide. Roughly half an hour worth of 2 min exposures stacked. I am actually happy with it :)
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Well, I suppose, I’ve got some good news. Last night was very, very cold, but the sky was clear. I took my mount out, leveled it perfectly, found the north star…. and got so cold, that I skipped the rest of the polar alignment. Did a quick one star alignment, pointed my scope….somewhere, cranked up the PHD2….and….nothing. Well my brains froze again, I forgot to connect my cam to the mount. I quickly fixed that and … got my first curve. I know, it’s no good, it’s all over the place. But I’ve got the curve. One more step done
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The slider. All the time, I tried to slide it left as much as possible, thinking the - is left and + right. Little hint for all developers: there are stupid people (talking about myself here) that need +- markings on all the possible sliders or other adjusters. Starting issue: the USB in the cam is really tough and tight to work with. Driver issue: TBA
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Got my first star in the guide cam!!! There was a gap in the clouds so I just quickly laid the scope next to the window and here it is. Next step, the mount
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Every step seems to have it’s own complication. Can’t wait to get through them. If only the weather changed. There is almost no time anymore. Soon there will be no dark skies here.
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I’ll look into it. Thank you
