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Small bore challenge: Saturn w/ 6" or less

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#251 evan9162

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Posted 13 August 2017 - 10:50 PM

Polar hexagon in 6"!  Excellent!



#252 Toddeo

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Posted 13 August 2017 - 11:15 PM

Hi All,

 

Here's my final attempt at Saturn this season.

The seeing conditions could have been better but when you've had several weeks of rain and clouds, you take what you can get. 

Transparency was below average with a light haze even at ground level. Still, I was happy just to be out for a couple of hours this weekend.  smile.gif

 

-Richard

 

 

 

08/13/17 04:22 UTC

APM 152ED apo; TeleVue 2.5x; ZWO ADC; ASI 224MC; Baader UV/IR cut

 

attachicon.gif2017-08-13-0422_6-L.png

That's a nice capture! Great color and banding!



#253 KiwiRay

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Posted 13 August 2017 - 11:37 PM

From July 30th, a few days before smoke from BC fires put an end to imaging Saturn.  Nexstar 6SE + 2x Barlow & ADC, with ZWO ASI224MC camera.

 

2017-07-31-0418_7s.png


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#254 james7ca

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Posted 13 August 2017 - 11:53 PM

Richard (post #250), that is a very good image. I like the way you've avoided any ringing artifacts in the outer portions of Saturn's rings.

 

KiwiRay, another nice image.



#255 Toddeo

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Posted 14 August 2017 - 12:39 AM

Great image, KiwiRay!



#256 R_Huntzberry

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Posted 14 August 2017 - 03:16 AM

Thanks for the comments and the likes smile.gif

 

I recently purchased Damian Peach's 3-part DVD tutorial series: High Resolution Astrophotography

I found a lot of useful information and learned some processing techniques which have helped greatly.

 

After stacking in AS!3, basic sharpening & denoising in RegiStax 6, the rings, polar hexagon region and the main planetary disk were all processed separately.

This was my first time trying out some of the techniques I learned in the DVDs and I was extremely pleased to be able to negate most sharpening artifacts in the ring structure as well as bring out the hexagon structure as well as I did.

 

For me, the learning curve with the processing software has been the biggest challenge so far. Hence, the purchase of the DVDs wink.gif

 

 

Best regards,

 

Richard

 

 

 



#257 Lacaille

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Posted 14 August 2017 - 04:51 PM

Some superb work above, thanks for sharing. Here is my latest effort, from this evening.  I am struggling a bit here in Strasbourg from a third floor apartment window in an urban setting, over lots of concrete, but the seeing was quite good tonight; however the little girl thundering about overhead (I think she is staying up late during the summer holidays) made my wooden floor tremble occasionally!

 

I used a ZWO224MC, a ZWO ADC, and a 2X Barlow, on my Celestron 127SLT Maksutov Cassegrain. I have also recently added an electric focuser from JMI telescopes, which I like a lot.

 

2017-08-14-2010_1-224MC_2.png


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#258 John Miele

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Posted 15 August 2017 - 07:19 PM

bow.gif

Saturn from this morning, when the planet was near transit at 20° above the horizon. This is my most detailed image of Saturn.  Nexstar 6SE + 2x Barlow and ADC.  ZWO ASI224MC camera.

 

attachicon.gif2017-05-23-0936_2s.png

 

Edit: And here's an attempt at a more natural-looking image. I think it's a little better, although I often find Saturn much harder to process well than Jupiter.

 

attachicon.gif2017-05-23-0936_2_D300s.png

A little late in my reply but SUPERB image! Well done bow.gif ...John



#259 Toddeo

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Posted 09 September 2017 - 01:39 PM

​Saturn has been a real "bear" to capture this season. Between the thermals and smoke from the south. Here are some recent "tries" on 9/6/17 with the SE4 & Ni5.

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#260 TareqPhoto

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Posted 18 March 2018 - 03:30 AM

And here is my contribution about Saturn

 

05_57_47_g4_ap1_conv.jpg

 

ST80 + TV 3X barlow

ZWO ASI385MC

AZ-EQ6 while it was still not working

 

AutoStakkert

Photoshop


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#261 KiwiRay

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Posted 18 March 2018 - 10:02 AM

Thanks for getting things started for the apparition, TareqPhoto!  That's a nice little image for so early in the season.  I saw Saturn in my scope yesterday morning for the first time this year, but it needs to reach transit a bit earlier for me to image it before sunrise.



#262 TareqPhoto

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Posted 18 March 2018 - 10:23 AM

Yesterday i was trying to shoot planets with my Mak 180mm that i wanted to test for first time ever, but had some problems with the scope so i stopped, i hope i can get it to work for me with the mount so i can be ready once the planets are getting even higher or getting out earlier than very late already morning time.



#263 Stargazer3236

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Posted 18 March 2018 - 10:34 AM

I am anxiously awaiting Opposition of Saturn (as well as Mars and Jupiter). I have a new small Apo 60mm I want to image with.



#264 DMach

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Posted 24 March 2018 - 07:21 PM

My best effort to date. Seeing was not great (4 on Pickering scale) plus had some high-level cloud haze so I had to be a bit more heavy-handed with the processing than I'd like. Patience patience, the seeing will come ...  smile.gif

 

Celestron 6SE, stock alt-az mount, Televue 2.5 powermate, ZWO ASI290MC, ZWO ADC, Baader UV/IR cut

Saturn 2018-03-24.jpg

 


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#265 DMach

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Posted 05 April 2018 - 09:48 PM

Seeing fair to good this morning, but had some high level haze unfortunately - made everything a bit fuzzy. (Didn't impact Saturn too much, my attempt at Mars suffered more - as soon as I touch it with sharpening, a halo forms.)  frown.gif

 

Ditching the ADC for now - it has dust trapped between the two prisms (came this way when new, unfortunately). Waiting for a response from ZWO on this! wink.gif

 

Celestron 6SE, stock alt-az mount, Televue 2.5 powermate, ZWO ASI290MC, Baader UV/IR cut

3 min capture, 15% of 18,200 frames stacked

 

Saturn 2018-04-06.jpg


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#266 Lacaille

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Posted 06 April 2018 - 12:59 AM

Very nice and with perhaps a hint of the storm in the north?



#267 DMach

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Posted 23 April 2018 - 10:14 AM

Latest attempt at Saturn with good seeing (Pickering scale: 7). Stability of new mount has allowed me to push the magnification a bit higher.

 

Celestron 6SE, CEM60 mount, Televue 5x powermate, ASI290MC

Saturn 2018-04-21 v2.jpg

 


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#268 redbeard

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Posted 28 April 2018 - 05:39 AM

Loving these pics. Forgive my newbie questions!

I went out last night with my Nexstar 4SE and my Canon 500D camera and snapped a couple of pics of jupiter and saturn.
I didn't think to do stacking and are only single image for each but after seeing so many of everyone else's pics, it would seem I need to!
What stacking software do people use? (I'd prefer free haha). I've used DeepSkyStacker for stars before. Is that a good option for planets?
I'm wondering what others are using as their ISO and exposure settings? There's a lot of details regarding hardware used and also amount of images (in the thousands sometimes) but no settings on the camera.

Can someone shed some light on this for me please?

Also have a huuuuge issue with trying to focus the telescope. Even the slightest touch of the focus knob jiggles the image and its so hard to see if it's focussed or not. Is that just to be expected?

Thanks in advance :)

#keeplookingup
b0c0f746b8a4a62d0102ce694a205116.jpge8264a5953a5a79b6375d698e19362d4.jpg

Sent from my SM-G955F using Tapatalk
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#269 TerryWood

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Posted 28 April 2018 - 08:13 AM

Here one from early this morning taken with my Quantum 6 Mak and ZWO 178MM. Saturn was low in the sky and the seeing wasn't that good. I had to use a lot of gain which resulted in a lot of noise reduction in post processing, hence the soft image. 

 

V/R

 

Terry

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#270 WarmWeatherGuy

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Posted 28 April 2018 - 09:56 AM

Loving these pics. Forgive my newbie questions!

I went out last night with my Nexstar 4SE and my Canon 500D camera and snapped a couple of pics of jupiter and saturn.
I didn't think to do stacking and are only single image for each but after seeing so many of everyone else's pics, it would seem I need to!
What stacking software do people use? (I'd prefer free haha). I've used DeepSkyStacker for stars before. Is that a good option for planets?
I'm wondering what others are using as their ISO and exposure settings? There's a lot of details regarding hardware used and also amount of images (in the thousands sometimes) but no settings on the camera.

Can someone shed some light on this for me please?

Also have a huuuuge issue with trying to focus the telescope. Even the slightest touch of the focus knob jiggles the image and its so hard to see if it's focussed or not. Is that just to be expected?

Thanks in advance smile.gif

#keeplookingup


Sent from my SM-G955F using Tapatalk

You want to stack with AutoStakkert. This web page will get you started.



#271 redbeard

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Posted 01 May 2018 - 01:11 AM

Hi all,

 

So I went and snapped some videos last night to use with AutoStakkert.

My camera only does 1920x1080p video and I'm pretty happy with the result but they're still MILES off what I've seen others be able to do! Could it be that because Jupiter was right next to the full moon?

I tried using my 2x Barlow through the eyepiece port, rather than the rear port of the scope which doesn't allow me to use the 2x barlow.

 

Celestron 4SE telescope

Canon 500D camera

Barlow 2x 

Located in Melbourne, Australia. In a suburb so a bit of light polution.

 

I added a little bit of 'sharpening' via the AutoStakkert app.

Attached Thumbnails

  • MVI_3808_pipp_lapl4_ap33_conv.jpg

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#272 rehling

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Posted 02 May 2018 - 09:15 AM

redbeard,

 

I have spent time trying to focus with a shaky mount, and one of my tricks has been this:

 

Get somewhere in the vicinity of focus. Then deliberately unfocus in one direction. Let it stop shaking. Look carefully at how out of focus it seems to be. Then turn it the other way, past focus, to get it about equally out of focus in the other direction. Keep your fingers on the knob. Now true focus is going to be about halfway between the two. See how close you can do to performing half of the distance between those two extremes with the muscle memory in your hand.

 

This always gets me pretty close to focus. Then it's very minor tweaks from there.



#273 Stargazer3236

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Posted 02 May 2018 - 09:18 AM

Better yet, buy a bahtinov mask for your telescope and you can find focus that way and it takes much less aggravation.

 

First go to a bright star. Focus on the bright star with the mask in front of your telescope. After you achieve perfect or near perfect focus, then you can go to Saturn, Jupiter, etc and your focus will be great!. Sometimes, you can focus on just the moons of Jupiter to get a finer focus. Just let the moons come in to a nearly pinpoint focus and the planet will be in focus as well. But try the bahtinov mask first!


Edited by Stargazer3236, 02 May 2018 - 09:21 AM.

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#274 DMach

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Posted 14 May 2018 - 01:19 PM

OK I lucked out last night - best seeing I've had to date (good to excellent, 8 on Pickering scale) plus a freshly cleaned corrector plate.

 

Celestron 6SE, CEM60 mount, Televue 2.5x powermate, ASI290MC

Saturn 2018-05-14 1.0x.jpg

 

Could be about as good as I can get with my little 6SE ... won't stop me from chasing the next personal best though I suspect! lol

 

 


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#275 KiwiRay

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Posted 14 May 2018 - 01:49 PM

Beautiful colours and cloud banding on that one, DMach!  One suggestion is to try processing the rings separately from the disk: while the planet itself needs a fair bit of sharpening and colour saturation to bring out the clouds, the same processing can over-sharpen the rings.  In your image, this has led to a very wide-looking Cassini Division: compare with my otherwise inferior image in post 253 above.  You've also lost the fainter C-ring, which may be due to clipping the left side of the histogram in processing.  But a great result nevertheless!  I've tried Saturn three times this year with poor results, and just find I lose too much sleep trying to image Jupiter, Saturn and Mars all in one night.  Hopefully some good conditions will come closer to opposition when Jupiter won't be competing for my sleeping hours.


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