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Did it take you several sessions to obtain the 8.4 hrs? When it came to stack them did you use Sirilc or did you just combine all the lights together in one lights folder? If using Sirilc did you have separate flats folders for each session? Did you use master dark and bias (dark flats) files? I use MacOS on a new M3 MacBook Pro with 36g of ram and found Siril 1.2.3 very slow under this platform. Apparently other MacOS users have experienced this issue. I've downgraded to 1.2.1. I've used GraxPert in 1.2.1 a couple of months ago and don't remember seeing the autostrech anomaly. Maybe try on 1.2.1.

Thank you !!!

So true. And your videos and insights are great 👍

Thank you China. Ahmerikah bows down to you. Thank you for everything you gift us with. Long Live the PRC!!!!!!!!!!!!!!

Thank you for this!

So you know almost all USB 3.0 hubs offer the same features, over protection. It's $200 is $100 to much, I would expect the price will come down when it does not sell? Most don't need that much current from the 3.0 ports. If all 6 USB ports supplies 2.5 amps per port then 15 amps and the included is only 5 so it can't supply that much, unless they are talking for just 1 USB 3 port? Really good testing!!

Did the same thing with PixInsight, stacked with WBPP, then Gradient Correction, Color calibration, SCNR, and finally a GHS stretch. Might try a few other scripts as well.

The power pass thru is what sold me on this mount when comparing it with others. Otherwise, I might have looked for an EQ6 off the used market. (however, i am in the ZWO ecosystem, so i may be bias but...)

I have 300 photo in format .dng. SiriL d'nt work with dng, How I can convert my dng photo to .fits or tiff easy and quicly (and free)? Please, help me!

I wish ZWO would send me products to test.😢

Is 3amps enough for a pc and tec cooled camera?

Zwo told me to tell you to send me the old one when you're done reviewing it. Honest.

Please do something different that other AM5N reviews don't. Please review the AM5N using you C8 Edge (without Hyperstar). When testing the guiding performance plate test with an OAG at the focal reducer focal length and at native focal length. I've been asking opinions of current reviewers if an AM5N would be a good mount for SCTs for guiding and no one wants to commit to an opinion without testing. Please don't use a wide angle refractor as any mount guides those scopes adequately. Thanks.

Fantastic, real world cmparison, thanks.

Cool review - as usual from you detailed and professional presentation

YOO HOW DID YOU DO THAT

That Hyperstar is serving you well, Rich!! Are you also using an EAF focuser? If so, do you leave the mirror locks on the EdgeHD loose or locked? I've read that it's bad to lock the mirror and change focus.

Awesome Review Rich, My AM5N is arriving this month!

Really well done comparison Rich! Looking forward to your functional review! Cheers! Doug

This is the BEST comparison I've seen. With both units together, we don't have to imagine the differences. Great video!

what are the 4 extra bolts on the base?

Using 1.2.3 version of Siril and getting error message of not enough space on drive. Processing 450 images for 3 hours then it says not enough space. PC with 32GB memory and all files (Darks and Lights). I have these files on 2TB drive and there is over 600 GB left after it wrote 452 fit files. Any suggestions?

WELL DONE Rich! Really conveys the light touch needed to keep these images looking real.

Will Graxpert install on a HP with intel processor. I have tried a number of times and failed. Their website onlY lists AMD.

Ok, got through with RGB Compositing, and my image in Siril is now monochrome where yours was in color. Any idea what I did wrong? I had calibration files for the RGB and Ha data for the North American/Pelican I took last night through a Rokinon 135mm and the 533MC Pro ZWO camera, and followed step by step on setting up my folder structure, using OSC_Preprocessing for the RGB stack, OSC_ExtractHa for the Ha stack; separated the RGB channels of the RGB stack using Extraction>Split Channels, then ran RGB_Composition to register and align the R/G/B/Ha channels together. I did RGB Compositing and selected each proper "r" file per the colors_conversions text file and assigned the correct "r" file to their respective channels and saved it as a 32-bit FIT file in the Prep working directory. Some gorgeous Ha data there, but my recombined image is monochrome like the Ha stack FIT file is. Help, please!

Another excellent, info-crammed video. I especially like when you take the time to tell us WHY we want to do things a certain way. Now on to the galaxy processing video!

Hi , i tried to use my device last night i failed to get connection i managed to upgrade to new fire way but could not get connected don't know if this sign of device malfunction or something else any advice?

Im learning from the tutorials but I'm just not understanding how to extract all the single fits files from the main file so that i can look and see if there are any jpeg or other type files that need to be deleted before running the seestar script. Can someone help me with this, please?

Same here! Only thing I have to be careful about: Not to get into a "YES IT'S CLEAR!"-hype and stress myself out by thinking of all the targets I could point at, setting up multiple cameras and get lost! I learned to kind of easily force myself to calm down, go into Stellarium, choose one target and concentrate on that. And then, when it's dark, I try no never forget to just sit down for a minute, look up and cherish the moment 🤩!

Hi Rich, I've encountered the same problem in GraXpert as well. When I chose AutoStretch with High Definition enabled in Siril, the image quality noticeably improved. I've only tested this once so far.

...After Graxpert I get back to Siril and stay only in the "Line- Mode", stretching my image there very lightly with the Asinh Transformation. An other good way is the Arcsinh- Curves- adjustment- workflow at Photoshop. After all I go ahead as I learn from you: PSF...Deconvolution... Starnet++ and so on. Greetings from Thailand

You meet me

Astro i have a question for you is there any filters for the dwarf lab to combat light polution like a duel narrow band filter. I already have the 3 thqt come with the deluxe package and a hygrogen Alpha filter. Your help will help me alot

Rich. many thanks for this one and all the others you make. they are so detailed and informative and really helpful. i have a question regarding filters like the Askar Color Magic Super Duo-Narrowband D1 (H-a/O-III) and D2 (S-II/O-III) set. can you maybe explain how to use this set to it's fulleset with siril. is it possible? i mainly refer to the SII data- how to extract and use it. many thanks for all the hard work