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proky
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Reged: 05/06/12

Re: Small bore challenge: Jupiter w/ 6" or less new [Re: BKBrown]
      #6320166 - 01/18/14 10:42 AM

Jupiter 17.1.2014. the weather was bad and becase I do not have heating I had to use a hair dryer often.

NexStar 6SE, ASI120MC, 3xBarlow, 150/4500mm


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urassner
sage
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Reged: 07/08/12

Re: Small bore challenge: Jupiter w/ 6" or less new [Re: james7ca]
      #6321963 - 01/19/14 11:00 AM Attachment (35 downloads)

Jupiter and Europa as well with a Starfire 152 and ASI 120MC. 2 minutes captured for each frame with Autostakkert for stacking (best 25%) and wavelets in Registax.

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StrangeDejavu
Carpal Tunnel
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Reged: 03/20/13

Loc: Florida
Re: Small bore challenge: Jupiter w/ 6" or less new [Re: BKBrown]
      #6322257 - 01/19/14 01:55 PM

With my C8 being in the shop, I felt this was a better time than ever to take part in the challenge. Here is my attempt:

Jupiter - January 18th, 2014 @ 1:31am
Sky-Watcher 120 ED, CG-4, NexImage 5, ES 2x FE
2350 Frames @ 52 FPS. 1/39 sec, 20 Gain
AS!2, Registax



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BKBrown
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Reged: 08/23/09

Loc: Northern Virginia, USA
Re: Small bore challenge: Jupiter w/ 6" or less new [Re: james7ca]
      #6322544 - 01/19/14 04:23 PM

You pulled out a good image under tough conditions James, nicely done That is a terrific imaging kit you used, the TV127 is sweet! I'm going to try with my refractors tonight since I haven't contributed an image to this thread in a long time...

Clear Skies,
Brian


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BKBrown
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Reged: 08/23/09

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Re: Small bore challenge: Jupiter w/ 6" or less new [Re: proky]
      #6322547 - 01/19/14 04:24 PM

A lot of detail in that one proky

Clear Skies,
Brian


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BKBrown
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Re: Small bore challenge: Jupiter w/ 6" or less new [Re: urassner]
      #6322556 - 01/19/14 04:27 PM

That is a beautiful set Ulrich, very well done sir It's got to be fun imaging with that big Starfire...it is a fabulous telescope. The upper right hand image is particularly good, what are you using for stacking and processing?

Clear Skies,
Brian


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BKBrown
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Reged: 08/23/09

Loc: Northern Virginia, USA
Re: Small bore challenge: Jupiter w/ 6" or less new [Re: StrangeDejavu]
      #6322567 - 01/19/14 04:30 PM

That is a nice catch with the SW 120 Mitch, why did you wait until your C8 was down I look forward to your next post...

Clear Skies,
Brian


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kirscovitch
super member


Reged: 11/29/13

Loc: Antigo WI
Re: Small bore challenge: Jupiter w/ 6" or less new [Re: ToxMan]
      #6322575 - 01/19/14 04:33 PM

This is all I can muster.



Edited by kirscovitch (01/19/14 07:37 PM)


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StrangeDejavu
Carpal Tunnel
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Reged: 03/20/13

Loc: Florida
Re: Small bore challenge: Jupiter w/ 6" or less new [Re: BKBrown]
      #6322660 - 01/19/14 05:11 PM

Quote:

That is a nice catch with the SW 120 Mitch, why did you wait until your C8 was down I look forward to your next post...




Thanks Brian! Being an f/7 scope, Jupiter is rather small without the help of a 2x Barlow. I get a little help from the NexImage 5 since the diagonal is fixed at 7mm, but any other camera and i'd probably need a 5x Barlow. It was a fun challenge none-the-less, one i'll be doing again with my ST-80. Ha, talk about a challenge... we'll see how that goes.


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urassner
sage
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Reged: 07/08/12

Re: Small bore challenge: Jupiter w/ 6" or less new [Re: BKBrown]
      #6323237 - 01/19/14 10:59 PM

Hi Brian,

Thank you for your complement. I am using Firecapture to image, Autostakkert to stack, Registax for wavelets and photoshop for final touch up. I am still struggling though in that the red channel often seems less sharp than the blue and green (I think that is causing the blueish tint of Europa). Not sure yet if that is an issue with my IR cutoff filter?


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BKBrown
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Reged: 08/23/09

Loc: Northern Virginia, USA
Re: Small bore challenge: Jupiter w/ 6" or less new [Re: urassner]
      #6323380 - 01/20/14 12:48 AM

You are quite welcome, it is well deserved. It sounds like you use exactly the same suite of apps I use with my ASI120mc. I have noticed color issues with both my SW120ED and the TEC 140 when imaging planets with the 120mc, I am told it is more blue sensitive than the Sony 618 chip cameras (which are more red sensitive). Some corrections can be made in post processing, but we will always suffer some loss of color saturation with smaller aperture scopes. I am not sure what can be done to correct/alter the blue color of the moon without singling it out for a separate adjustment in PS.

Clear Skies,
Brian


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BKBrown
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Reged: 08/23/09

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Re: Small bore challenge: Jupiter w/ 6" or less new [Re: kirscovitch]
      #6323381 - 01/20/14 12:50 AM

That is a good effort kirscovitch...and it gets you some skin in the game

Clear Skies,
Brian


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kirscovitch
super member


Reged: 11/29/13

Loc: Antigo WI
Re: Small bore challenge: Jupiter w/ 6" or less new [Re: BKBrown]
      #6323455 - 01/20/14 02:48 AM

Thanks Brian. I know it's not the greatest but for a first image I guess it's not too bad. At least you can tell it's Jupiter. It was taken with a Starshoot 5mp imager through a Nexstar 130SLT. I'm sure I could get better results but on this night it was -15F and just to cold to really get things dialed in. My focuser was almost froze solid and I could not get any sort of image what so ever when I tried a 2x barlow. Any tips I could get with this type of setup would be greatly appreciated.

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Ask
member


Reged: 01/11/14

Re: Small bore challenge: Jupiter w/ 6" or less new [Re: kirscovitch]
      #6323521 - 01/20/14 05:49 AM

small instruments
great satisfaction...


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dakotavc
member


Reged: 02/03/11

Loc: Elizabethton, Tn
Re: Small bore challenge: Jupiter w/ 6" or less [Re: Ask]
      #6325184 - 01/20/14 10:19 PM Attachment (28 downloads)

Tonight's effort using my Nexstar 4se at f/23 with a ZWO asi034mc. Stacked in registax with a little play in wavelets. No further editing. Got just a glimmer of Lo crossing. This is only my second night shooting with a planetary imager.

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BKBrown
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Reged: 08/23/09

Loc: Northern Virginia, USA
Re: Small bore challenge: Jupiter w/ 6" or less [Re: dakotavc]
      #6325293 - 01/20/14 11:40 PM

Quote:

Tonight's effort using my Nexstar 4se at f/23 with a ZWO asi034mc. Stacked in registax with a little play in wavelets. No further editing. Got just a glimmer of Lo crossing. This is only my second night shooting with a planetary imager.




If you are just getting started you are definitely off on the right foot Looks like you caught one of the moons transiting across the face of Jupiter (the light toned little "ball" at about 9:30 "on the clock")...nicely done. Jupiter looks rather red on my screen, you might want to play with the red and blue white balance values for a more natural color. Please keep the pix coming!

Clear Skies,
Brian

Edited by BKBrown (01/20/14 11:42 PM)


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Shine
sage
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Reged: 11/14/04

Re: Small bore challenge: Jupiter w/ 6" or less [Re: BKBrown]
      #6326226 - 01/21/14 01:50 PM Attachment (29 downloads)

Here's my submission. This was taken using a Celestron C6 with a 2X barlow and extension tube and a Canon 7D with Magic Lantern firmware. Around 4900 images were extracted from RAW video and stacked in Registax 6. Further processing was done in Photoshop CS5. This image is actually a reprocess of the video taken on my third attempt at using this technique.

Edited by Shine (01/21/14 02:00 PM)


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dakotavc
member


Reged: 02/03/11

Loc: Elizabethton, Tn
Re: Small bore challenge: Jupiter w/ 6" or less [Re: BKBrown]
      #6326492 - 01/21/14 04:16 PM Attachment (25 downloads)

Here is another from Monday night with the ZWO ASI034mc and the Nexstar 4SE at F/26.

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urassner
sage
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Reged: 07/08/12

Re: Small bore challenge: Jupiter w/ 6" or less [Re: dakotavc]
      #6327585 - 01/22/14 03:01 AM Attachment (26 downloads)

Tonight I tried out shooting with the $20 LRGB filter set from Meade I got recently. Pretty happy with the results, but still trying to finetune Gain/exposure. Shot through a Starfire 152 with ASI 120 MM, stacked in Autostakkert, wavelets in Registax and RGB merged in photoshop. Best 50% of 3000 frames for R, G & B respectively.

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james7ca
sage


Reged: 05/21/11

Re: Small bore challenge: Jupiter w/ 6" or less [Re: urassner]
      #6333812 - 01/24/14 11:06 PM

Probably one of the most detailed yet. Thanks for sharing.

I may try again with the data I collected over one week ago. I think I can get a little more by reselecting and re-stacking and maybe trying to use WinJUPOS to de-rotate two other sequences I took over about a ten minute period (giving me three times the number of possible frames).

I've already got a better looking result than the image I posted earlier, just by doing some color, levels, and saturation tweaks and by turning down the sharpening.


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