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Old Scopes and Modern Imaging

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#426 Wildetelescope

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Posted 01 June 2021 - 09:12 PM

august jupiter1cropped
2020 08 10 0304 3 Nr6 L6 ap36wave2aacor2
Jupiter and Saturn with  AP 127 mm f8 Starfire, 
CC07E66B D014 4E20 84EB 59BE2F643CE2
Mars taken with Pre ED glass 152 mm F9 AP Starfire
 
JMD

 


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#427 LukaszLu

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Posted 02 June 2021 - 06:15 AM

 
Jupiter and Saturn with  AP 127 mm f8 Starfire, 
 
Mars taken with Pre ED glass 152 mm F9 AP Starfire
 
JMD

 

amazing...



#428 Borodog

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Posted 02 June 2021 - 07:27 AM

 

 
 
Jupiter and Saturn with  AP 127 mm f8 Starfire, 
 
Mars taken with Pre ED glass 152 mm F9 AP Starfire
 
JMD

 

Fantastic.


Edited by Borodog, 02 June 2021 - 07:28 AM.


#429 ETXer

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Posted 02 June 2021 - 02:17 PM

 

 
 
Jupiter and Saturn with  AP 127 mm f8 Starfire, 
 
Mars taken with Pre ED glass 152 mm F9 AP Starfire
 
JMD

 

These are great! May I ask what your processing details were?

 

Thanks, Allan



#430 Wildetelescope

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Posted 02 June 2021 - 03:35 PM

These are great! May I ask what your processing details were?

 

Thanks, Allan

1. Very still air during capture, a rarity here in north central Maryland!  Have spent a lot of time looking at weather stuff to try and estimate when a good night will be. Last August/September I finally got it right.   Basically when there is a high pressure area preceding a storm front, and things are hot and muggy and not fit for man nor beast, that is when to shower in DEET and go shoot planets:-). 

2. Used an Atmospheric Dispersion corrector.  The planets are still low in the sky where I am at, and atmospheric dispersion is really strong contributor  to blurring, etc..  Without it Jupiter's moons look like rainbow streaks.  

3. Capture 2000-3000 images.  Usually take the best 25-50%

4. I do my image sorting and stacking in Autostakkert 3, like many folks.  I highly recommend watching the Woodland Hills Telescope 2 hour interview with the program author that is on Youtube.  He walks you through several different scenarios with his own data and explains all different functions and how they work.  It is really quite an amazing piece of programing. 

5. After stacking, wavelet sharpening and RGB alignment in Registax 6.   In my experience, registax still has the best implementation of wavelet processing that I have come across.  I do just a little bit of sharpening here.

6. Final blind deconvolution sharpening, noise reduction and color tweaking in Astraimage pro.  Depends on the data set how much sharpening I do with Registax vs deconvolution in Astraimage.  

 

It changes depending on the data and my mood but that is my basic work flow.   Sometimes I tweak the color a bit further in Paintshop pro.  All in all the approach is pretty generic I think.  Far and away, the key elements are steps 1 and 2.  If you do not get good data in the first place, it does not matter how much you process it.  

 

Cheers!

 

JMD


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#431 starman876

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Posted 03 June 2021 - 07:24 PM

 

 
 
Jupiter and Saturn with  AP 127 mm f8 Starfire, 
 
Mars taken with Pre ED glass 152 mm F9 AP Starfire
 
JMD

 

very impressive



#432 ETXer

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Posted 03 June 2021 - 09:22 PM

1. Very still air during capture, a rarity here in north central Maryland!  Have spent a lot of time looking at weather stuff to try and estimate when a good night will be. Last August/September I finally got it right.   Basically when there is a high pressure area preceding a storm front, and things are hot and muggy and not fit for man nor beast, that is when to shower in DEET and go shoot planets:-). 

2. Used an Atmospheric Dispersion corrector.  The planets are still low in the sky where I am at, and atmospheric dispersion is really strong contributor  to blurring, etc..  Without it Jupiter's moons look like rainbow streaks.  

3. Capture 2000-3000 images.  Usually take the best 25-50%

4. I do my image sorting and stacking in Autostakkert 3, like many folks.  I highly recommend watching the Woodland Hills Telescope 2 hour interview with the program author that is on Youtube.  He walks you through several different scenarios with his own data and explains all different functions and how they work.  It is really quite an amazing piece of programing. 

5. After stacking, wavelet sharpening and RGB alignment in Registax 6.   In my experience, registax still has the best implementation of wavelet processing that I have come across.  I do just a little bit of sharpening here.

6. Final blind deconvolution sharpening, noise reduction and color tweaking in Astraimage pro.  Depends on the data set how much sharpening I do with Registax vs deconvolution in Astraimage.  

 

It changes depending on the data and my mood but that is my basic work flow.   Sometimes I tweak the color a bit further in Paintshop pro.  All in all the approach is pretty generic I think.  Far and away, the key elements are steps 1 and 2.  If you do not get good data in the first place, it does not matter how much you process it.  

 

Cheers!

 

JMD

Thanks for the details, much appreciated! I’m just a little bit south from you down in Rockville, so I have the same issue with planetary elevation. I’d never heard of an Atmospheric Dispersion Corrector until now, and I just looked it up, so that’s now on my wish list. ;) 

 

Astra Image is new to me as well, so I’ll have to research that, and thanks for the weather advice and the video recommendation. Otherwise my workflow is very similar, so now I just have to wait until the planets (and the weather) cooperate!

 

Thanks again, Allan


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#433 starman876

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Posted 04 June 2021 - 07:35 AM

I need to so some imaging with a classic. All the results so far look fantastic.



#434 Wildetelescope

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Posted 04 June 2021 - 12:15 PM

Thanks for the details, much appreciated! I’m just a little bit south from you down in Rockville, so I have the same issue with planetary elevation. I’d never heard of an Atmospheric Dispersion Corrector until now, and I just looked it up, so that’s now on my wish list. wink.gif

 

Astra Image is new to me as well, so I’ll have to research that, and thanks for the weather advice and the video recommendation. Otherwise my workflow is very similar, so now I just have to wait until the planets (and the weather) cooperate!

 

Thanks again, Allan

Your orange tubes should be killer planet imagers.  I use the ZWO ADC.  it is not to expensive and it made a big difference.   But not as big as getting a good night for the atmosphere.   This year I am looking to try the planets with my larger aperture SCT's.    That means figuring out how to implement the Dew heaters I got for Christmas:-).  Always something new to learn!

 

Cheers!

JMD


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#435 Borodog

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Posted 04 June 2021 - 10:50 PM

Back with another installment from the 1985 white tube Celestron-Byers Worm Gear Drive C8:

 

[old and busted]

 

Bit of a reprocess. New hotness:

 

https://cdn.astrobin...2d7a7095cab.png

 

 


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#436 Bomber Bob

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Posted 05 June 2021 - 08:27 AM

I need to so some imaging with a classic. All the results so far look fantastic.

You should try it.  It's much easier now with digital cameras vs. film -- you see the results BEFORE making the pictures / stills.

 

My task for this summer:  IF there's a clear night, try the DSO camera with my FC-50 on the Milky Way in Scorpius / Sagittarius.  I've seen some very pretty shots made by other Tiny Tak owners.


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#437 starman876

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Posted 05 June 2021 - 11:16 AM

You should try it.  It's much easier now with digital cameras vs. film -- you see the results BEFORE making the pictures / stills.

 

My task for this summer:  IF there's a clear night, try the DSO camera with my FC-50 on the Milky Way in Scorpius / Sagittarius.  I've seen some very pretty shots made by other Tiny Tak owners.

I should if I can adapt some of the imaging gear to the smaller refractors


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#438 Bomber Bob

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Posted 05 June 2021 - 11:19 AM

ALL 4 of my cameras have standard 1.25" noses.  One uses a thread-in ring & swaps for .965" scopes...

 

I don't use DSLRs.  I did try adapting an old Canon for astro use... no explosions, but a dud.


Edited by Bomber Bob, 05 June 2021 - 11:22 AM.

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#439 LukaszLu

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Posted 05 June 2021 - 01:56 PM

I should if I can adapt some of the imaging gear to the smaller refractors

I use ZWO ASI 178 MC with 0,965=>1,25'' adapter and it works perfectly with my old RAO R-74, no additional adaptations needed. Just plug and play...


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#440 Bomber Bob

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Posted 05 June 2021 - 02:00 PM

I have 3 Planetary Cameras:  ASI, NexImage, & Generic Monochrome (PRC); and, 1 DSO Meade.

 

My ASI has about the best resolution, BUT...  I had a year+ of USB 2 + Windows 10 issues with the ASI.  My solution was to buy a NOS Windows 7 Panasonic ToughBook -- no USB issues!  Works great with both the ASI & Celestron.  The Generic works on both Win 7 & 10, but it's grayscale only, and VERY light sensitive!  The older Meade DSO color camera works, but I haven't tried anything but a few bright star tests with it.

 

IOW:  Digital Imaging ain't high on BB's priority list with so few 8+ nights since WINTER 2016...

 

Just checked my archives... my last imaging session was 9-29-2020.  Testing the C102 on a 7/10 night.  Not good at all.  C102 has more CA than my Dakin 4, and therefore tougher to correct at the camera, and in post-processing.  A shame, as I got both Jupiter & Saturn that night.  I expect much better from the FC-100.


Edited by Bomber Bob, 05 June 2021 - 02:03 PM.

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#441 ETXer

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Posted 05 June 2021 - 02:10 PM

Out again last night with my Celestar 8 Deluxe... all I was able to get was M3 with my Revolution Imager 2; I had a few scope maintenance issues before I was able to get started, then it was too late to do more, but hopefully I will tonight!

 

51226466751_56fd1a5bc6_o.jpg

 

15-second capture with the RI2 Mini-DVR (361 frames), pre-processed with PPIP then aligned, stacked and wavelets applied in Registax 6.The full report can be found here.

 

Cheers, Allan


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#442 Bomber Bob

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Posted 05 June 2021 - 02:30 PM

Nice DSO shot! 

 

Looks like the SVBONY cameras are a good deal, and compatible with both Apple & Windows.  Annoying to me that when you find a camera you like, the technology changes, and you're back to square one -- and I'm an IT Guy.  I have Apple, Droid, & Windows tablets, laptops, & PCs.  I can make it work -- I just don't like having to do that for a niche within my own niche in our niche hobby.

 

On Topic:  How did my Sears (AO) 76mm F16 beat a Unitron 75mm F15?  With detail like this:

 

Sears 6336 - Jupiter (GRS) 20170514V06A64S11IV11S.jpg Sears 6336 - Jupiter (GRS) 20170514V06A64S11IV11G1S.jpg

 

The Bright Ring is an artifact from me trying to make the Galileans show up -- the disks were so sharp!


Edited by Bomber Bob, 05 June 2021 - 02:32 PM.

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#443 ETXer

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Posted 06 June 2021 - 10:30 AM

Last night was the third in a row (that'll probably be it for a little while) with my 1997 Celestar 8 Deluxe and the Revolution Imager 2, being able to see both barely-seen (M53) and previously unseen (M94 and M49) objects. These were 15 to 20-second captures with the RI2 Mini-DVR, the video files then pre-processed using PPIP, then aligned, stacked and wavelets applied in Registax 6.The complete report can be viewed here.

 

M53

 

51229799900_402d48dd35_o.jpg

 

 

M94

 

51228022502_3f8c97b0bb_o.jpg

 

 

M49

 

51228022517_6a60617755_o.jpg

 

Cheers, Allan


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#444 Bomber Bob

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Posted 06 June 2021 - 10:43 AM

Nice!!  Do y'all see how M53's halo has that teardrop shape?  That's what I've seen with Stubby & my 826.  It's what I mean about digital imaging as support for observing reports.


Edited by Bomber Bob, 06 June 2021 - 10:44 AM.

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#445 ETXer

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Posted 06 June 2021 - 11:03 AM

Nice!!  Do y'all see how M53's halo has that teardrop shape?  That's what I've seen with Stubby & my 826.  It's what I mean about digital imaging as support for observing reports.

Thanks Bob! Absolutely, in my Bortle (almost) 8 suburban skies, being able to use the RI2 is almost essential anymore to bring out the level of detail to accurately reflect what I'm seeing... I don't have to use my imagination nearly as much! Plus I can always refer back to the image(s) to complement my notes for the reports.


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#446 clamchip

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Posted 07 June 2021 - 01:35 PM

My wife bought a new smart phone so she gave me her old one and I thought I

would use it for astro imaging. I have a flip phone and its not really suitable.

My new astro imaging device will be a Motorola G-6.

I ordered a universal adapter for it:

https://www.ebay.com/itm/154224885631

 

I also received a Meade Deep Sky Imager II in a telescope trade but from what I

think I see it's not going to work with Windows 10, too bad. It was ether that or it

is a problem finding a driver for it.

 

Robert


Edited by clamchip, 07 June 2021 - 01:48 PM.

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#447 Bomber Bob

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Posted 07 June 2021 - 02:20 PM

Just got a new Moto G-8, and it has a surprisingly good camera --- LONG battery life, too!  I had a cheap plastic cellphone holder with 1.25" adapter, but it's disappeared...  probably in a box or bin, in my shed -- BB's Bermuda Triangle...


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#448 clamchip

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Posted 07 June 2021 - 04:31 PM

I'm the reason some cells don't have collimation screws.

I think I do better with point-n-shoot cameras, auto everything.

My wife's G-6 has a very good camera, I'll turn off the flash and use the timer

and see what happens!

 

Robert


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#449 clamchip

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Posted 12 June 2021 - 10:17 PM

My wife bought a new smart phone so she gave me her old one and I thought I

would use it for astro imaging. I have a flip phone and its not really suitable.

My new astro imaging device will be a Motorola G-6.

I ordered a universal adapter for it:

https://www.ebay.com/itm/154224885631

 

Robert

I received my smart phone adapter gadget today and tried it out with my Celestron 6 inch SCT and

a 40mm plossl because they were handy.

Focus is difficult, I think strong reading glasses will help. Its definitely me, simple. When the weather

clears I think I'll be ready for doing it in the dark.

Robert

 

IMG_20210612_154001799_HDR.jpg

IMG_20210612_153531430.jpg

IMG_20210612_153431770.jpg

IMG_20210612_153344541.jpg


Edited by clamchip, 12 June 2021 - 10:27 PM.

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#450 LukaszLu

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Posted 14 June 2021 - 04:48 PM

Just finished a lunar session with the Carton T-620 refractor. My laptop keeps on choking on the material collected by the ZWO ASI 178 MC camera - I am very curious about the results. I will post them here as soon as I have finished processing. Meanwhile, a few photos showing how this brave oldie performs during hard work on EXOS-2 mount - work for which he was never intended ...

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