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Small bore challenge: Saturn w/ 6" or less

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#76 Peter in Reno

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Posted 05 July 2015 - 12:39 PM

Thanks Roland,

 

I am not sure how I did it but I had help and advices from others in this forum to help me get ready for planetary imaging for the first time. I have been imaging DSOs for the last five years and that may have helped but DSO and planetary imaging are quite different. I enjoyed imaging Saturn. Probably beginner's luck.

 

Your images of Saturn look great!!!

 

Peter


Edited by Peter in Reno, 05 July 2015 - 12:41 PM.


#77 evan9162

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Posted 05 July 2015 - 02:35 PM

I mentioned before that Saturn is so low in the sky, it's hardly worth trying to image.  I confirmed my suspicions.

 

Taken 6/26.  C6 SCT, TeleVue 2x barlow, Canon T4i, Magic Lantern raw video.  2800/3800 frames, 30fps, ISO1600. 

 

Definitely nowhere near as good as the capture last year.  It would take a night of especially good seeing to make up for the very low altitude.

 

 

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#78 Niklo

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Posted 06 July 2015 - 06:54 AM

Hi Peter,

thank you very much.

For such a Saturn photo everything needs to be perfect. The telescope needs to be very good, the collimation needs to be good, the seeing needs to be perfect and the video/image processing needs to be good. If nights were you can use 140mm f/28 looking visually is probably wonderful, too. Probably every detail on the photo was visible in the eyepiece, wasn't it?

What exposure time did you use for a single frame? How many minutes did you take the video?

Currently I have just a 2x barlow. For 6" f/8 it's OK but maybe 2,5x barlow would be a little bit better.

For a 3x barlow the seeing is too bad in my area.

Do you have the possibility to to upload a short sequence of your Saturn video? It would be interesting how bright Saturn is visible and how it looks in the video to get such pictures.

Clear sky with good seeing ;-),

  Roland



#79 Peter in Reno

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Posted 06 July 2015 - 02:32 PM

Do you have the possibility to to upload a short sequence of your Saturn video? It would be interesting how bright Saturn is visible and how it looks in the video to get such pictures.

 

Hi Roland,

 

Please see my newly created thread at:

http://www.cloudynig...cess-my-saturn/

 

Peter



#80 Niklo

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Posted 07 July 2015 - 01:02 PM

 

Do you have the possibility to to upload a short sequence of your Saturn video? It would be interesting how bright Saturn is visible and how it looks in the video to get such pictures.

 

Hi Roland,

 

Please see my newly created thread at:

http://www.cloudynig...cess-my-saturn/

 

Peter

 

Hi Peter,

thank you for the link. I downloaded the files and extracted the ser video file. Although my normal players cannot play it I could load it into autostackert and play it there. Wow, very good. Such a wonderful seeing is very rare.

When I compare with my 6" f/8 video I see that my Saturn looks more yellow than your Saturn. Under "video capture filter" I get the driver window called "properties" of my ASI120MC. There is a colour tab. There is 52 for red and 95 for blue (the default values). There are two check boxes with "Auto WB" and "Raw Output". Do you use "auto wb" (auto white balance)?

The next thing is that I see atmospheric dispersion on my video:

https://www.youtube....h?v=6WCJsfyKYiM

In the eyepiece there is a little bit, too, but the video shows more blue and orange/red and in your video there is (almost) no atmospheric dispersion. How did you avoid it?

What was your gain and gamma value and your exposure time for a single frame?

I like your video very much and hope that I can make a nice video with 2400 mm focal length that looks similar like your video with 3900 mm focal length. At least I'm happy that I was able to see the cassini division going all around Saturn. That was very nice in the eye piece and on the photos.

Clear sky,

  Roland


Edited by Niklo, 07 July 2015 - 01:02 PM.


#81 Icebox

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Posted 08 July 2015 - 02:32 PM

This is from 6/22/2015 using Celestron Nexstar 6SE and modded xbox live webcam.

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#82 volkerw

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Posted 15 July 2015 - 09:32 AM

As I was'nt really satisfied with my last version, I reprocessed it again (and again and again) ;o)

I'm still not 100% happy (sharpness, details, noise), but I have no idea what I could do for further optimizing.

Here is my latest version of Saturn from 07/10/2015 with my 6" Mak.

I did some winjupos derotation at the beginning and slightly more denoising at the end.

And the colors are warmer now ;)

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#83 graffias79

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Posted 22 July 2015 - 04:39 PM

Whoops, I had this in the Jupiter challenge at first.  Here is my Saturn.  I finally got one that I'm proud of!

 

Celestron 5" f/5 reflector (From 130 SLT), CG-5 mount, and NexImage 5 camera.

 

Saturn721_try2-5.png


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#84 evan9162

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Posted 29 July 2015 - 06:08 PM

Took another shot with my C80ED.  Not as good as last year, due to Saturn's lower altitude.  TeleVue 2x barlow w/ extenders, Canon T4i, ISO3200, 30fps, 2700/3200 frames.

 

 

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#85 Stargazer3236

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Posted 01 August 2015 - 11:18 PM

Here are my latest pics from tonight, 8/01/2015. Took them with a Nexstar 6 and a Neximage 5 webcam. Stacked in Autostakkert! 2 and wavelets in Registax 6, 3000 frames each at 52 FPS for 3 minutes each pic.

 

Saturn 80115.jpg

 

Saturn 80115b.jpg


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#86 jerry32

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Posted 01 August 2015 - 11:25 PM

MY first saturn with a Skyprodigy 6 Tube but ona Celstron CG5 mount 11755672_10152900651452653_3834755264937721046_n.jpg



#87 John Miele

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Posted 02 August 2015 - 05:51 PM

I waited a bit late for this opposition as this is my first Saturn image this year. Seeing was average and it was already past the meridian at about 25 deg. alt. Taken with my C6 and and ASI120MC. Best 50% of 2900 frames stacked in autostacker, sharpened in Registax, and finished out in Photoshop. Saturn is quite a challenge this year as everyone has remarked. The big scopes surely have the advantage here!...John

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#88 james7ca

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Posted 04 August 2015 - 03:16 AM

Here is a go with an 80mm refractor (Stellarvue SV80ST2, 5X Powermate) and a ZWO ASI120MC camera. Best 20% of 5251 frames, processed with AutoStakkert!, Registax, and Photoshop CC 2015. Taken on August 3, 2015 at 9:48PM PDT. I would have liked to have done a few more sequences, but after I finished this first pass the clouds arrived as has become all to commonplace this summer in San Diego (as our local May gray and June gloom has now extended through July and into August -- cloudy nights and mornings with mostly clear and blue-sky afternoons).

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  • Saturn with Stellarvue SV80ST2.jpg

Edited by james7ca, 04 August 2015 - 04:32 AM.

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#89 John Miele

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Posted 08 September 2015 - 08:53 PM

Hi,

Was able to squeeze in one last Saturn attempt tonight. Took this with my C6 SCT, ASI120MC, 2x barlow on an SE alt-az mount. I drizzled 150% then resized back down. This is a stack of 1500 out of 2000 frames. Saturn was low and I think I'm getting some color refraction, but I had some better than average seeing right after it got dark...John

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#90 RafaelP

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Posted 09 September 2015 - 02:05 PM

Some really nice Saturns out there!  This is my Sad Sack Saturn.  

C5, ASI224, 50% of 3000 frames or so, terrible seeing and low on the horizon

SaturnEdit

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#91 AstroEthan

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Posted 09 September 2015 - 07:04 PM

Saturn was low and I think I'm getting some color refraction, but I had some better than average seeing right after it got dark...John

 

RGB Align in Registax is your best pal. :ubetcha:



#92 SteelStar

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Posted 09 September 2015 - 10:07 PM

 Lunt 152ED refractor...IPhone 6...1000 frames stacked in RegiStax 6...wavelets/gamma

 

 

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  • Saturn 007 (500 x 373).jpg

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#93 Niklo

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Posted 25 September 2015 - 09:38 AM

 Lunt 152ED refractor...IPhone 6...1000 frames stacked in RegiStax 6...wavelets/gamma

Hi,

for taking a video with the IPhone the stacked photo is very good.

 

Hello,

I looked through my best Saturn video sequences and upload some of them on youtube and dropbox. I hope it's interesting from you although the videos are some month old now.

 

Beginning with the smallest aperture of 80 mm:

Vixen 80L (80/1200):

https://www.youtube....h?v=tH6y1dYNpYg

Vixen FL102S (102/920):

https://www.youtube....h?v=e_NNILTl0Yk

https://www.youtube....h?v=pmw9Pxm5Gv4

 

Vixen GP R114E (114/900):

https://www.youtube....h?v=8n6ecqW68Ic

(the seeing or tube seeing so I needed a short exposure time per frame)

 

Orion UK VX6L (150/1200):

https://www.youtube....h?v=n6W53CA9NKg

https://www.youtube....h?v=6WCJsfyKYiM

 

Small sequences of the 4" f/9 and the 6" f/8

From Dropbox:

102/920:

https://www.dropbox....r_kurz.avi?dl=0

150/1200 newton:

https://www.dropbox...._castr.avi?dl=0

https://www.dropbox...._castr.avi?dl=0

 

In the eyepiece I saw more details and cassini was visible all around in front of Saturn in the eyepiece. In the stacked image it's possible to see it again.

Clear skies,

  Roland



#94 APshooter

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Posted 01 December 2015 - 02:01 PM

My B&W version:

 

http://www.astrobin.com/105322/


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#95 KiwiRay

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Posted 21 April 2016 - 09:20 AM

Kicking this off for the season, here's my first image this year where I was able to capture cloud bands.  Saturn is at 22° at transit this year, but I'm not sure how much worse that is than last year's 24°.  Conditions still have to be ideal to get any cloud detail. 

 

2016-04-20-1055_4bLumS.png


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#96 azure1961p

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Posted 21 April 2016 - 09:18 PM

Kiwi,

 

Nice shot!

 

I'm fearing what the heck I end with this summer from Saturn. Good news is I'm getting better with the ASI120MC so jupiter us to the point it's better than my best dbk21au images. My wishful thinking I'd the ASI120MC offsets the lousy altitude znd I get Saturns than I got last summer.

 

The measure I used for myself was how well cassinis appeared in front of the planet. That changes year to year but I've gotta say you did remarkably good here, as well with the belts.  I've a feeling I'll skate away with one so-so saturn by summers end and so may lousy ones. Such is low altitude.

 

Pete



#97 KiwiRay

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Posted 21 April 2016 - 10:08 PM

Thanks, Pete.  Yeah, I've made about half a dozen attempts at Saturn this year, and all but this one have been mush.  The clarity and steadiness of the Cassini Division is also my guide as to whether it's worth trying, and really I shouldn't have bothered except for yesterday morning. Last year I got one nice image, and a couple of other OK ones.  My hope is for one nice image again this year, which will probably come down to luck - whether or not we have a day of great seeing close to opposition.  Hit or miss here in Seattle, but I do live in hope!

 

Ray


Edited by KiwiRay, 21 April 2016 - 10:09 PM.


#98 james7ca

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Posted 26 April 2016 - 07:57 AM

I posted this same image within a thread on using my new TPO 6" Imaging Newtonian, but since we seem to be getting very few new images in the challenge thread I though no one would mind if I posted my image again. This was taken with a TPO 6" (f/6) Imaging Newtonian and a 2X Powermate using a ZWO ASI178MM-Cool camera and a set of Baader RGB filters. Best 30% of a few thousand frames for each RGB channel in Autostakkert!, followed by wavelets in Registax, channel registration and combination in PixInsight, and then final tweaks in Photoshop CC2015.

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  • Saturn with TPO 6 Inch Newtonian.jpg

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#99 KiwiRay

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Posted 26 April 2016 - 10:25 AM

That's a good image, James.  The colours of the different bands are nice and clear.  Glad to see someone else trying to capture Saturn with a smaller scope this year.  Difficult as it is now, it's only going to get harder in coming years.



#100 Stargazer3236

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Posted 11 May 2016 - 10:06 AM

Here are my Saturn Moon pics taken with the Nexstar 6SE, ZWO ASI224MC camera, post processed with Autostakkert!2 and Registax 6.

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  • Saturn Moons 42116b.jpg
  • Saturn Moon 42416.jpg

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