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Dark Raven

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Dark Raven last won the day on August 26 2023

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  1. I would second Astro-Physics Riccardi-Honders. That is a peace of optical instrument. Ed Ting had nice look at one:
  2. Had similar issues with corner stars on full frame with my scope. Troubleshooting was cumbersome and took forever given my limited availability, clear nights for last six months. Adding individual 1mm, 0.5mm and / or 0.3 mm rings (refers to unscrewing the camera adding ring and reattaching the camera), refocusing (on full frame), adding more rings, overshooting, correcting, overcorrecting. Add freezing temps and loosing clear nights on this just adds to the overall frustration. I bought Precise Tuning M54 Artesky Ring Unfortunately, it rotated field of view so it was hard to make like for like comparison without spending even more time on rotating the focuser. But then light at the end of the tunnel just as I wanted to give up... M54/M48 Backfocus Adjuster-Jiaxing Sharpstar Optical Instrument Co., Ltd. (sharpstar-optics.com) Askar Backfocus Adjuster | First Light Optics I can confirm that it works great! Got it sorted 90% in half an hour... Then clouds rolled in... Went from this: To this: As mentioned still some fine adjustments to be done, but much better and so much faster.
  3. Perhaps a less destructive middle ground solution with smartphone coolers.
  4. Well, was not planning on it but did it anyway... With OEM cable: After market cable: Result is that the guide cam connects fine and takes exposures without issues. ASI app crashes when ASI2600MC DUO is activated in app. Video below: ASIImg_V1.10.1 (64bit) 2024-02-10 03-51-45.mp4 With cold camera from outside, unfortunately the result is the same as seen above. After it worms up for some five to ten minutes it connects, sometimes. Have it, went down to 12.14V and the result is the same. The voltages tested are within the spec and should all work. Ranges between 5W and 7W. And just for the kicks tested both ASIAIRs Plus again... AA+ v3.0: AA+ v3.3: Long story short, contacted the distributor and requested RMA. They accepted based on evidence provided, sent return label and wished me good luck and lots of patience given it is New Year at ZWO. Thank you for your inputs. Will keep you posted as the situation develops (in few moths probably)...
  5. Hi all, It appears I have an unusual connection issue with ZWO ASI2600 DUO and wanted to check if I am doing something wrong before I go for RMA to distributor. Important to note that all cables, power supplies and both ASIAIR Plus work flawlessly with my other cameras, namely ZWO ASI6200MC PRO, ZWO ASI585 and ZWO120MM-S. Did not try to connect to laptop as I am mobile imager and do not use laptop for acquisition. The main camera although recognised does not connect to the ZWO ASIAIR Plus, while the guide camera connects fine and works every time. As I am sure you are aware ASI2600MC DUO uses same data cable for both cameras. The main camera rarely connects indoors at room temperature, but never outdoors at cold temperature. Guide camera works and guides just fine. Misshaped stars on DUO are normal due to guide sensor position and light circle of WO REDCAT 51. I have tried using flat and red round ZWO OEM as well as after market USB 3.0 data cables, Nothing else was connected to AA+ Different power supplies such as two different direct AC grid to 12V transformers (12V, 6.5A), EcoFlow Delta 2 (12V, 3A and 10A) outputs, and two different ASIAIRs Plus 32 GB and 256 GB model (always directly connected to power supply not through ASIAIR Plus), but the problem persists. Few screenshots to demonstrate the issue in detail below: Voltage provided is always separate for AA+ and 2600MC Duo ranging from 12.77V to 13.28V with 6.5A from AC adapter to 3A - 10A from ECOFLOW Delta 2. Connection issue persists with latest stabile version: As well as with latest beta. To repeat all of the above works flawlessly with my other ZWO cameras. Confusing part is that sometimes but quite rarely it DOES connect. Have I missed something? Should I try something else before returning to dealer? My fear is that distributor will test indoors at room temp and conclude that the product is fine refusing RMA. Thank you for your input.
  6. It is quite bigger than ASIAIR Plus but smaller than Eagle. Below you can see relative size comparison in regard to Raspberry Pi CM4 module that powers both units. I would say it's a bit too much (size, setup hustle, reliability) for mobile imager like me. Probably perfect for someone having permanent pier or small obsy
  7. Looks like it's coming to the market soon. Quite powerful AP HW/SW combo, but Interesting to see that even experienced users still struggle to set it up. Reflects my RPI 4B and CM4 experience with Stellarmate / INDI / EKOS perfectly. Btw, a question for Mods, should we consider a dedicated subsection for AP HW controllers like Eagle, ASIAIR, Stellarmate PRO, iOptron iMate?
  8. Problem solved... https://www.amazon.co.uk/DS3231-Precision-Module-Raspberry-Consumption/dp/B08LDFCV9B/ref=mp_s_a_1_3?crid=1LUKV0XA0KBZ&keywords=DS3231+High+Precision+Real+Time+Clock+Module&qid=1704494299&sprefix=ds3231+high+precision+real+time+clock+module%2Caps%2C140&sr=8-3 https://forums.raspberrypi.com/viewtopic.php?t=161133 DS3231 has native support in INDI.
  9. That is suboptimal position and you are loosing a lot of light for the OAG camera. See proper positioning here: 5. Using OAG-L and 2” EFW I've noticed that stars in my DUO guider are not round due to 2" filters vignetting but it guides just fine. If I remember correctly it is also mentioned in the above video as well.
  10. SBIG did and they held the patent for a decade. They must have asked for a fortune in royalty. Unfortunately sensor tech was not as sensitive or advanced as it is today and it did not work well if at all. That's probably why you did not see it elsewhere. It differs from OAG in a sense that the filters come after OAG in the imaging train. With duo filters are in front.
  11. Clickbait title sure, but I came across an interesting article and wanted to share why the photos "caught my eye". The article is about using "quantum tech" to detect and potentially treat age-related macular degeneration. The authors describe their quantum device as: “So this device we call it structured light, but it is a polarized light with the quantum states. This is why we call it quantum technology in vision sciences. This is the first in the world of quantum physics in collaboration with vision sciences such as optometry and ophthalmology. We generate very specific fibers, which are called optic patterns, using this device and we direct them to the human eye where they can then pinpoint the disorder at its earliest phases,” explained the scientists. On a closer look, it seemed a bit familiar. Interesting they used a dedicated cooled AP camera without a power cable... Details at: https://interestingengineering.com/innovation/china-worlds-first-quantum-tech-for-vision-health-could-help-millions I like any medical progress but slapping quantum on it somehow triggers my buls#%& detector...
  12. It can be... ZWO SeeStar S50 All-in-One Smart APO Telescope & Tripod | First Light Optics
  13. ZWO is far from perfect and I am not a fan of closed platforms. Not to repeat myself, I stated my experience here: It is great if you have time, fairly permanent setup and weather that permits tinkering often. But I have quite little time that I can devote to this hobby, I am mobile imager and need to drive to dark(er) location and although I work in Tech, out of principle, I draw a line at recompiling kernel to add camera driver. Used it with Pi4 8GB and Plenty of current, even build custom setup around INDI/EKOS/Stellarmate... It has failed me so many times... I`m sure it works just fine for many. Perhaps in my case it was inpatient user. To be clear, when same hardware is loaded with different software (retro gaming emulators, SkyAware Anywhere or AllSky Camera) it runs smooth under load. Went all in on ZWO, never lost a single night or exposure, never looked back...
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