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Posts posted by kev100
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24 minutes ago, PeterStudz said:
It is impressive. And if you’ve already got a UHC filter etc worth experimenting with. Although I might struggle from my Bortle 7 garden.
The adapter I’ve got is very similar to this. Although there are so many copies about it probably isn’t the exact same one. I bought it a few years ago now and I can’t remember exactly where.
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1 hour ago, Stu said:
Wow, that’s impressive 👍
I was gobmacked 🤣
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Shot at the weekend, Orion, with the Rosette nebula, and a faint Barnard's loop
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On 17/11/2023 at 14:34, Louis D said:
Pentax XLs, XWs, ES-92s, 30mm UFF, ES-82, etc.
Nice set of EPs you've got there. Can't think why you need the spacer, though. I don't with mine, even the 20mm Myriad.
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On 13/11/2023 at 00:26, Louis D said:
I needed to add a 25mm spacer ring between the optics section and the eyepiece holder to achieve the best coma correction for eyepieces focusing at the shoulder, which is most of my collection. This then required 11.3mm more in-focus with the CC in place than without. Without the extra spacing, stars were still a bit comatic in the last 15% of ultrawide field eyepieces.
Which brand/type of eyepieces are you using?
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18 minutes ago, Earl said:
Where do you get the app?
The modded version of the camera app is here: https://www.celsoazevedo.com/files/android/google-camera/dev-MWP/f/dl30/
I used the top one , and have begun a series of blog posts on the subject: https://theastroguy.wordpress.com/2023/10/01/astrophotography-with-a-google-pixel-pt-1/
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Wish I'd got it ages ago 😔
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Hi,
I (finally) got one of these as a birthday present, for use with my 250PX. It came in a nice, black cloth covered box, with foam inserts, and at 359 grammes feels solid and value for money in the hand. I'd read a Stargazers Lounge post about them, and one person mentioned that the eyepiece retaining screws are flimsy pot metal, so I compared the weights with the screws from my RevelationAstro 2in eyepiece adapter and, sure enough, there was a noticeable weight difference (2 grammes versus 3 grames), so I swapped them over. This is interesting as both items are made by the same company (GSO).
Popping the caps off to take a look at the lens inside left me horrified at what I thought was a scratch. This turned out to be a bit of plastic swarf from the end caps (my dust blower took care of it). Curiously, though, there was quite a lot ...
In use, it's a direct replacement for the aforementioned eyepiece adapter. Eyepieces come to focus easily, and don't need to extend any further from the focuser (I have heard some people say they needed to use a spacer ring to achieve focus, but in my 10-inch dob - f4.7 - there was no need). Maybe that's a photo thing ...
How well does it work? Well, on the two sessions I've had with it so far it worked really well. Actually very well. The field of view with my 20mm 100-degree Myriad was impressively flat, and stars were pinpoint sharp almost to the very edge. Likewise with my 68-degree, 16mm MaxVision. Even the dense star-filled Milky Way between Sadr and Albireo didn't suffer from coma, and the Double and Owl clusters were stunning. Without the CC the views of this area always appeared as if seen on the surface of a bubble, but not now ... flat as a pancake.
Recommended.
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Awesome post, and an incredible achievement 👍
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25 minutes ago, Stu said:
Be my guest Kev. A little credit would be nice but not essential by any means. Stu
Awesome 👍. Message me how you want the credit to read.
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I downloaded this app onto the iPad last night … seems pretty good- https://apps.apple.com/gb/app/moon-globe/id333180321
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I particularly love the 10s of km long shadows cast by the peaks in the center of the craters
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Just wanted to bump this thread to say a big thanks to FLO, who are now stocking my books - including the new one (The WOW! List) - https://www.firstlightoptics.com/search/for/kevin quinn/
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Top 10 Targets to Observe for a Beginner
in Getting Started With Observing
Posted
If this thread proves anything, it's undoubtedly the case that everyone's top 10 lists will differ 😀