Using an Atmospheric Dispersion Corrector to get a better view of the planets
Ғылым және технология
In my quest for getting better images of the planets, I added an atmospheric dispersion corrector (ADC) to the 11" Celestron EdgeHD telescope. However, there is still abundant humidity and clouds blurring the results. And yet, another tropical storm has formed just to my south. I answer the question; "What happens when they run out of names?"
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Пікірлер: 21
Very nice results!
@HeavenlyBackyardAstronomy
2 жыл бұрын
Thank you Tully. It takes a bit of playing around to get it just right. Even more difficult when you are set up as a remote system.
Nice job Pat. I’ve often wondered about atmospheric correctors. I wasn’t quite sure if it was a gimmick but clearly they work. I love your results and good job getting Neptune. I doubt I’ll approach it with my 127 Maksutov. I really enjoy your videos. I like watching honest content where folks are just out there enjoying it and sharing their tips. It looks like our weather may finally improve slightly mid week. I haven’t had a lot of time at night myself. I purchased a solar filter but that’s pretty much useless for Eastern USA lately too ha ha. I look forward to your next video. Have a great day.
@HeavenlyBackyardAstronomy
3 жыл бұрын
I remember in my TV broadcasting days when we seemed to always use the term "apparent" ... looks like I need to start using it again. Thank you for your kind words of encouragement
@timliscum2861
2 жыл бұрын
I think everyone agrees that adding a 2x Barlow will double the F ratio, right? Since the F ratio is an equation : Focal Ratio = Focal Length/Aperture. In Pats case its F10= 2800mm/280mm. So if you double the focal ratio to F20 by adding a 2x Barlow, you need to double the Focal Length to keep the equation. The Aperture doesn't change, it remains 280mm. F20=5600mm/280mm. or you can rearrange the Equation to solve for the new Focal Length. Focal Length (FL) = Focal Ratio (F) x Aperture. or FL = 20 x 280mm which puts the Focal Length at 5600mm
Thanks for sharing I just ordered an ADC
@HeavenlyBackyardAstronomy
3 жыл бұрын
Thanks for watching Marko Pola ... I hope for great success with your ADC ... just in time for Mars. Should help with Venus too
Pat, FYI your 2x barlow does NOT change the FL of you C11 being 2800mm. I will always be 2800mm unless you change the distance of the main mirror to the secondary, other wise it will always be a 2800 mm. Many many people make this mistake. Like your videos, keep up the good work!
@HeavenlyBackyardAstronomy
3 жыл бұрын
Thank you, Christopher. Question: does it make it change from an f/10 to f/20? or the equivalent?
@GarnettLeary
3 жыл бұрын
Technically this is correct. They lengthen the light cone magnifying the image produced. Nothing physically changes within the properties of the scope optics itself. It’s a bit picky to call this out tho. I’ve seen this conversation repeated hundreds of times. When we start inserting the word “apparent” into magnification we avoid it.
Another great video Pat. I’d like to see a video how you remote everything into your house for planetary imaging. What hardware and software is needed? Thanks
@HeavenlyBackyardAstronomy
Жыл бұрын
Hi Craig, That will be an upcoming video.
Hi Pat, nice video, thank you. Where did you find your ADC? It seems like everything is on backorder now. :/
@HeavenlyBackyardAstronomy
3 жыл бұрын
I bought this one from Altair Astro in England. I don't know if they have one in stock, but even though it's in England, anything I buy there gets here much faster than from vendors from just a few states away. Usually in about 2 days.
That guidescope is ENORMOUS. 80mm? Have you tried an OAG? I read mixed reviews on this
@HeavenlyBackyardAstronomy
3 жыл бұрын
Yes ... Orion CT80 with a focal length of 400mm ... f/5
How did you come up with the RS6 wavelets? I know how to save them and pull them in so my question is what did you do to derive them? I find the wavelet feature of RS6 the most infuriating part of that software.
@HeavenlyBackyardAstronomy
3 жыл бұрын
Hi David, It comes with trial and error. I've noticed that 'playing' with the wavelets on a slow computer is rather frustrating and since I upgraded my computer to a much faster CPU and extra RAM, working with the wavelets adjustments is much easier. However, once I find a setting that I like, I save it. Also, each planet is different, so I have different wavelets solutions saved for each planet.
@InsertAstroNameHere
3 жыл бұрын
David, Imagine the wavelets as sharpening the details in the image. Layer 1 will sharpen the small, finer details (and adding denoise will act on that detail as well, and Layer 6 works on the larger details. I generally only mess with 1,2 and 6. Hope that helps.
Looks like you do not have an IR-Cut filer in place judging by the Saturn pic. Using one will make Focus a little better since you can not focus infra-red and RGB at the same time..
@HeavenlyBackyardAstronomy
3 жыл бұрын
Thanks for that heads-up John. I will give that a try next time. Clear Skies (whenever that might happen around here.)