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Magnus Larsson replied to the topic 'Alignment and plate solving w guide scope problem' in the forum. 12 minutes ago

Hi!

OK, so binning might be playing with me here. I normally have binning 1 x 1, have no idea where and why it suddenly should be something else, but I'll check next time it's connected (then the clouds part and I set it all up).
If FOV is something around 43 x 33 with binning 1 x 1, should it not be a clear fraction of this with binning 2 x 2, that is, 21,5 x 16,5? The 17,2 x 12,8 sounds odd, doesn't it? Or there are other things in play here, producing those numbers?

And: when you solve the image, what are your parameters? I just can't make it solve.

Magnus

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Stephen replied to the topic 'Seeking tips for imaging with schedule and sequences for EFW' in the forum. 19 minutes ago

Thank you Jasem.

If I could count on more than on clear night in a row I would do as you both suggest. It is what was previously done. Now I wait for another clear night to get last filter.

On the cloudy days this can allow me to learn pix with a few images and understand how to add more data from different days.

I will prioritize the Lum/Ha first though as you suggest. Then pickup sets of colour.

Cheers!

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Jarno Paananen replied to the topic 'Strange Bias on Atik460EX' in the forum. 27 minutes ago

Seems to work on RPI3 now. I still have occasional issue that the shutter doesn't open for light frames. Haven't figured out a pattern, it mostly works, but seems to commonly triggered by changing filter (I have SX USB wheel) so that the first frame after filter change is dark, rest are ok, but not always. Sometimes the first frames after starting the driver are dark until I switch frame type to dark, take one frame and switch back to light. Didn't notice anything different in logs and it's not very reproducable, but happens every now and then.

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Radek Kaczorek replied to the topic 'Alignment and plate solving w guide scope problem' in the forum. 32 minutes ago

Yeah, I was not precise saying this. FOV depends on focal length and physical size of CCD chip.
As stated above his focal length is 500mm.

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Jasem Mutlaq replied to the topic 'KStars not starting up after indi update!' in the forum. 38 minutes ago

KStars is being rebuilt now. Should be ready in about 1 hour.

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Jasem Mutlaq replied to the topic 'Alignment and plate solving w guide scope problem' in the forum. 40 minutes ago

Binning does not change the FOV, it changes the pixel scale of the image (arcsecs per pixel). What's your focal length? It's suppose to be around 1000mm.

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Chris replied to the topic 'iEQ45 GTN 8407 and 8406' in the forum. 48 minutes ago

here some logs. i noticed that when I connect the date on mount is set to 2048.
In this log I only connected, changed slew speed to 9 and moved to west a bit.

Hope you can see why RA and DEC remain zeros.

Chris

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Jasem Mutlaq replied to the topic 'Seeking tips for imaging with schedule and sequences for EFW' in the forum. 56 minutes ago

I agree with Radek, I wouldn't do it this way. I always capture each filter in complete set (usually a day for each filter). At any rate, I can see how "Repeat X times" can be useful for this or any other applications, so I added it to the scheduler.

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Radek Kaczorek replied to the topic 'Seeking tips for imaging with schedule and sequences for EFW' in the forum. 1 hour 52 minutes ago

Clouds are clouds. Filters will not help with them. Running session as you describe makes things really complicated. Just think of filters that are not parfocal i.e. you need to change focus everytime you change filter. At the end of the day or night you need to collect necessary number of each wavelength to reduce noise so I would advise to use standard approach, which is a kind of standard among astrophotographers - collect reasonable number of luminance frames first (Lum or Ha or both) and collect color next.

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Stephen replied to the topic 'Seeking tips for imaging with schedule and sequences for EFW' in the forum. 2 hours 8 minutes ago

By looping a sequence of filters, there is a greater chance of getting complete sets.

The other day of the 13 OIII, only one was usable due to passing clouds. Yet, the other filters were able to get 10 of the 14 as usable.

If the sequence of one per filter was done, there would have been at least 7-8 complete usable sets verses only one OIII.

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Radek Kaczorek replied to the topic 'Seeking tips for imaging with schedule and sequences for EFW' in the forum. 2 hours 15 minutes ago

Why would you do it this way? Just run Lum x 13, SII x 13, OIII x 13, Ha x 13

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Radek Kaczorek replied to the topic 'Display at the scope' in the forum. 2 hours 18 minutes ago

Just setup a VNC server on your raspberry pi (ex. x11vnc) and connect to it from your pc/tablet/phone with any vnc client (ex. bVNC Free for android). It works like hell ;-)

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Radek Kaczorek replied to the topic 'Alignment and plate solving w guide scope problem' in the forum. 2 hours 23 minutes ago

I can solve your image with offline solved without problem.
Please note the fact that you set binning to 2, which changes your FOV. It seems that FOV numbers you're referring to are valid for binning 1 and for binning 2 the ones displayed in EKOS are probably right. EKOS uses only telescope/guider focal lenght from telescope options tab, pixel size and CCD resolution from CCD driver. These are the only parameters needed to calculate FOV. Take a look at useful formulas and calculate your arc-sec/pixel first and multiply the number by CCD resolution to get FOV in seconds (divide by 60 to get minutes).

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Lutz Bellmann replied to the topic 'KStars not starting up after indi update!' in the forum. 2 hours 27 minutes ago

thanks. Can I rebuild the older indi drivers from sources somewhere?

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Radek Kaczorek replied to the topic 'May I introduce - my Raspberry Pi Controller/Autoguider - TSC' in the forum. 2 hours 41 minutes ago

Great project! Thanks for sharing. I'm gonna follow it n github.

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Christian replied to the topic 'KStars not starting up after indi update!' in the forum. 2 hours 44 minutes ago

I guess kstars needs a rebuild. This comes from a recent change in INDI. Maybe knro can help here.

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Lutz Bellmann created a new topic ' KStars not starting up after indi update!' in the forum. 2 hours 52 minutes ago

Huge problem here! I cannot start-up KStars and / or PHD2 anymore after an update of the indidrivers today!

"kstars: error while loading shared libraries: libindi.so.1: cannot open shared object file: No such file or directory"

What happened? Can anybody help? I will have to demount all my gear and then this clear night is gone....:-(
I am working on Ubuntu 16.04 with everything up to date I assume.

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F. Scott Anderson replied to the topic 'Dome Sync Gateway not producing timely GOTO commands' in the forum. 2 hours 58 minutes ago

Thanks Jasem!

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