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FORUMS Photo Sharing & Discussion Astronomy & Celestial 
Thread started 27 Oct 2010 (Wednesday) 15:45
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You don't need a telescope

 
SiriusDoggy
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Feb 18, 2015 16:40 |  #1696

Celestron wrote in post #17438035 (external link)
Which WB are you using ? I tried few different ones hoping for a better image only to find out they only made things worse . I went back to AWB and never changed again .

Hopefully he's shooting RAW and WB doesn't matter except for the preview jpeg on the camera LCD.


Greg M.~
Scopes: Explore Scientific ED152CF & ED127mm, StellarVue SV70T, Classic Orange-Tube C-8, Lunt 80mm Ha single-stack solar scope.
Mounts: iOptron CEM70EC Mount, iOptron ZEQ25 Mount.
Cameras: ZWO ASI2600mm Pro, ZWO 2600MC Pro, ZWO 1600mm
Filters: Chroma 36mm LRGB & 3nm Ha, OIII, SII, L-Pro, L-eXtreme

  
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Celestron
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Feb 18, 2015 16:49 |  #1697

SiriusDoggy wrote in post #17438042 (external link)
Hopefully he's shooting RAW and WB doesn't matter except for the preview jpeg on the camera LCD.


I shoot RAW all the time but for astroimages throught a scope or lens it does make a difference . That's why i went back to AWB .




  
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NCHANT
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Feb 18, 2015 17:07 |  #1698

I was shooting 4700k WB, I usually shoot AWB but was experimenting.

:)


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the ­ jimmy
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Feb 18, 2015 19:30 |  #1699

marsaz wrote in post #17436311 (external link)
600D with a 70-200 F4 on a shaky tripod @ 6400 ISO
Taken in the middle of a town with over 500k population

I've tried my best :)


QUOTED IMAGE

QUOTED IMAGE

Nice shots especially considering taken from a large city




  
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SiriusDoggy
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Feb 19, 2015 09:35 |  #1700

Celestron wrote in post #17438057 (external link)
I shoot RAW all the time but for astroimages throught a scope or lens it does make a difference . That's why i went back to AWB .

I'd have to respectfully disagree with that statement.

In camera White balance has ZERO effect on the RAW file. It only changes the white balance of the embedded jpg used for preview.
Now of course if you do not do anything to the WB in your post processing work then YES, it would make a difference because it would simply be using the "preset" WB that you choose on the camera. But for most of us working in RAW the WB is one of the first things we adjust.
It's really very simple to see that WB settings make no difference in RAW. Just setup your camera for RAW shooting and take a duplicate shot in all of the different WB settings. Then load them into Lightroom or what ever image editing program you use to process RAW files and find the one WB setting that you feel is the perfect color setting. Then open all of the other RAW files and change the WB setting to duplicate that first one that you like.

There will be no difference.

Again, this only goes for if you are shooting RAW and remember to adjust the WB in post.


Greg M.~
Scopes: Explore Scientific ED152CF & ED127mm, StellarVue SV70T, Classic Orange-Tube C-8, Lunt 80mm Ha single-stack solar scope.
Mounts: iOptron CEM70EC Mount, iOptron ZEQ25 Mount.
Cameras: ZWO ASI2600mm Pro, ZWO 2600MC Pro, ZWO 1600mm
Filters: Chroma 36mm LRGB & 3nm Ha, OIII, SII, L-Pro, L-eXtreme

  
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Celestron
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Feb 19, 2015 11:28 |  #1701

SiriusDoggy wrote in post #17439038 (external link)
I'd have to respectfully disagree with that statement.

In camera White balance has ZERO effect on the RAW file. It only changes the white balance of the embedded jpg used for preview.
Now of course if you do not do anything to the WB in your post processing work then YES, it would make a difference because it would simply be using the "preset" WB that you choose on the camera. But for most of us working in RAW the WB is one of the first things we adjust.
It's really very simple to see that WB settings make no difference in RAW. Just setup your camera for RAW shooting and take a duplicate shot in all of the different WB settings. Then load them into Lightroom or what ever image editing program you use to process RAW files and find the one WB setting that you feel is the perfect color setting. Then open all of the other RAW files and change the WB setting to duplicate that first one that you like.

There will be no difference.

Again, this only goes for if you are shooting RAW and remember to adjust the WB in post.


That maybe true with your camera but i still use an XSi and i have test shot lots' of DSO through my C8 with that camera and have tried different WBs' to see if i could get a better image then worked them in PS7 and Cs5 , PSE10 and i get the same results of not being able to change WB 100% . To some extent yes but not 100% . I never shoot jpeg for any astroimages or wildlife images . Actually i have not shot jpeg in more than 7 years . I know all about the fact that WB can be adjusted easier in RAW format and jpeg is pretty much shoot and post without adjusting anything . I'm not the best but not a beginer with PP . Even in DPP it cannot be totally changed 100% . So if your having different results then you must know a new technique that's not known very well . Now i ask that you just drop this and let this thread get on with it's original intent of posting new images . Thanks .




  
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SteveInNZ
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Feb 19, 2015 13:12 as a reply to  @ Celestron's post |  #1702

When you open a RAW file in DPP or ACR, the program defaults to the white balance that was set when it was shot. The RAW data isn't changed. All it's done is to move the sliders for you and give you a starting point.

Steve.


"Treat every photon with respect" - David Malin.

  
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danialsturge
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Feb 19, 2015 13:33 as a reply to  @ Celestron's post |  #1703

RAW images retains all colour data collected by the sensor, where as a JPEG will discard the 'unwanted' data as per your white balance settings. Hence, setting a white balance in camera will make no difference on a set of RAW images given all the other settings are exactly the same. The only difference is a perceived one on screen, which could cause you to change your settings, but I feel like that's less likely for Astrophotography when say compared to shooting a sunset.


X100V

  
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SiriusDoggy
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Feb 19, 2015 23:35 |  #1704

The Leonid Meteor Shower - 11/17-18/2014
This is a composite of 13 images showing all of the meteors captured during a 5 hour time frame.
One shot was chosen to show the stars and then the meteors were composited into the frame. The radiant point for the shower, the constellation Leo, is of to the right in this photo. The few meteors that do not appear to be coming from that general direction are just sporadic meteors.


IMAGE: http://www.siriusproductionsllc.net/photos/i-5DQZJJq/0/X2/i-5DQZJJq-X2.jpg

Greg M.~
Scopes: Explore Scientific ED152CF & ED127mm, StellarVue SV70T, Classic Orange-Tube C-8, Lunt 80mm Ha single-stack solar scope.
Mounts: iOptron CEM70EC Mount, iOptron ZEQ25 Mount.
Cameras: ZWO ASI2600mm Pro, ZWO 2600MC Pro, ZWO 1600mm
Filters: Chroma 36mm LRGB & 3nm Ha, OIII, SII, L-Pro, L-eXtreme

  
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lazypineapple
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Feb 20, 2015 05:06 |  #1705

My 3rd outting with my homemade curved rod tracker.
117 sec @ 17 mm 2.8

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BJ
60d, 6d, with Canon 24-105,18-200, 200mm 2.8L, Tokina 11-16, iEQ45 ProMount, 8" Astrograph Newtonian, ST-80, Curved Rod BarnDoor Tracker

  
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AbPho
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Post edited over 8 years ago by AbPho.
     
Feb 20, 2015 06:46 |  #1706

Thanks Siriusdoggy. I haven't seen a meteor shower yet. Want to one day.

Your curvey rod tracker is pretty impressive Lazy.


I'm in Canada. Isn't that weird!

  
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samsen
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Feb 20, 2015 15:27 |  #1707

AbPho wrote in post #17440436 (external link)
Thanks Siriusdoggy. I haven't seen a meteor shower yet. Want to one day.

Your curvey rod tracker is pretty impressive Lazy.

If you would have followed this THREAD > LINK < you would have seen several of them in past few months.


Weak retaliates,
Strong Forgives,
Intelligent Ignores!
Samsen
Picture editing OK

  
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marsaz
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Feb 22, 2015 05:25 as a reply to  @ the jimmy's post |  #1708

Hey, thanks I appreciate the comment :)


flickr (external link)
6D and glass

  
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R ­ R ­ Smith
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Mar 14, 2015 17:24 |  #1709

[QUOTE=SiriusDoggy;174​40165]The Leonid Meteor Shower - 11/17-18/2014
This is a composite of 13 images showing all of the meteors captured during a 5 hour time frame.
One shot was chosen to show the stars and then the meteors were composited into the frame. The radiant point for the shower, the constellation Leo, is of to the right in this photo. The few meteors that do not appear to be coming from that general direction are just sporadic meteors.

Great image! Nice capture of airglow as well!




  
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okieplainsdrifter
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Post edited over 8 years ago by okieplainsdrifter.
     
Mar 14, 2015 18:32 |  #1710

I tried pushing the 7D to 6400 ISO just to see how much I could grab with my tamron 150-600. Noisy, but it did ok. The skytracker continues to impress me!

IMAGE: https://photography-on-the.net/forum/images/hostedphotos_lq/2015/03/2/LQ_717602.jpg
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