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FORUMS Photo Sharing & Visual Enjoyment Astronomy & Celestial
Thread started 24 Nov 2017 (Friday) 17:33
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The Sun today in Ha light

 
SiriusDoggy
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Nov 24, 2017 17:33 |  #1

Lunt 80mm single stack telescope with a ZWO ASI1600mm camera
2000 frames captured using SharpCap, best 50% kept using AutoStakkert3!
Sharpened in ImPPG and colorized in PhotoshopCC.

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Canon 5D Mark II & Mark III 50mm 1.4, 16-35mm 2.8L, 24-70mm 2.8L, 24-104 4L, 70-200mm 2.8 IS L, 100-400mm 5.6-6.3L, 600mm 4L, 24mm 3.5 T/S L, 16mm 2.8 Zenitar Fisheye, Rokinon 24mm, 35mm, 85mm T1.5 Cine set

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Davenn
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Nov 25, 2017 02:57 |  #2

SiriusDoggy wrote in post #18503456 (external link)
Lunt 80mm single stack telescope with a ZWO ASI1600mm camera
2000 frames captured using SharpCap, best 50% kept using AutoStakkert3!
Sharpened in ImPPG and colorized in PhotoshopCC.

outstanding :)


I have a way to go with my images to get to that quality


A picture is worth 1000 words ;)
Canon 5D3, 6D, 700D, a bunch of lenses and other bits, ohhh and some Pentax stuff ;)

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cheffievrs
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Nov 26, 2017 10:05 |  #3

Just stunning..!


Queens Royal Hussars
http://www.flickr.com/​photos/59499293@N08external link http://500px.com/jswoo​dexternal link

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SiriusDoggy
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Nov 26, 2017 16:00 |  #4

Davenn wrote in post #18503660 (external link)
outstanding :)

I have a way to go with my images to get to that quality

Thanks Davenn,
I would recommend downloading AutoStakkert 3! and ImPPG. They do most of the work. The only thing I use Photoshop for is to layer to two exposures, one for the fainter edge prominences and the other for the brighter surface details. Then I colorize it in PS as well.


Canon 5D Mark II & Mark III 50mm 1.4, 16-35mm 2.8L, 24-70mm 2.8L, 24-104 4L, 70-200mm 2.8 IS L, 100-400mm 5.6-6.3L, 600mm 4L, 24mm 3.5 T/S L, 16mm 2.8 Zenitar Fisheye, Rokinon 24mm, 35mm, 85mm T1.5 Cine set

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Davenn
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Post has been edited 16 days ago by Davenn.
Nov 27, 2017 01:49 |  #5

SiriusDoggy wrote in post #18504600 (external link)
Thanks Davenn,
I would recommend downloading AutoStakkert 3! and ImPPG. They do most of the work. The only thing I use Photoshop for is to layer to two exposures, one for the fainter edge prominences and the other for the brighter surface details. Then I colorize it in PS as well.


Great info mate, thankyou :)

nice camera ... Australian $1400 here
I'm using the ZWO ASI 178MC, but considering many seem to prefer the monochrome units, I may look at one at some stage

Also using Sharpcap for the capture. I do have Autostakkert2 installed ... is there any real need to o to V3 ?
Am not familiar with ImPPG, will look at downloading that one and have a play

I'm looking forward to that huge filament starting to go over the limb ... It's going to produce a nice loop prom again
as it did when it was coming into view a couple of weeks ago


Dave


A picture is worth 1000 words ;)
Canon 5D3, 6D, 700D, a bunch of lenses and other bits, ohhh and some Pentax stuff ;)

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Tareq
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Nov 30, 2017 22:35 |  #6

Nice image, i hope i can buy same this scope, i want to shoot the sun, but i feel it will be expensive for me to buy a dedicated scope for the sun only, can't we have same results by using kind of filters with our cheap scope refrctor achro?


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Celestron
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Dec 01, 2017 08:34 |  #7

Tareq wrote in post #18507915 (external link)
can't we have same results by using kind of filters with our cheap scope refrctor achro?



No.......




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Davenn
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Post has been edited 16 days ago by Davenn.
Dec 01, 2017 22:59 |  #8

Tareq wrote in post #18507915 (external link)
............... can't we have same results by using kind of filters with our cheap scope refrctor achro?


double no


narrow band Ha filters for solar atsronomy are very specialised, this is why they are so expensive

Dave


A picture is worth 1000 words ;)
Canon 5D3, 6D, 700D, a bunch of lenses and other bits, ohhh and some Pentax stuff ;)

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Tareq
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Post has been edited 15 days ago by Tareq.
Dec 02, 2017 22:29 |  #9

Davenn wrote in post #18508590 (external link)
double no

narrow band Ha filters for solar atsronomy are very specialised, this is why they are so expensive

Dave

I didn't ask about narrow band filters, i said if we use kind of filters, either Ha or whatever, but only designed for solar, be it Ha or anything else, i didn't ask about filters that are not designed for solar, i was going to ask if using that front of telescope solar cover, and special Herschel Wedge, but sounds you gave me a direct answer as NO, so it means i must buy only a dedicated solar telescope?


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Davenn
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Post has been edited 15 days ago by Davenn.
Dec 03, 2017 04:36 |  #10

Tareq wrote in post #18509238 (external link)
I didn't ask about narrow band filters, i said if we use kind of filters, either Ha or whatever, but only designed for solar, be it Ha or anything else, i didn't ask about filters that are not designed for solar, i was going to ask if using that front of telescope solar cover, and special Herschel Wedge, but sounds you gave me a direct answer as NO, so it means i must buy only a dedicated solar telescope?


then you question is VERY UNCLEAR .... as I DIDNT speak about filters NOT designed for solar

There are Ha filters hat can be used on normal scopes BUT as I previously said, they are quite expensive because of they are specialised
They slide in where the eyepiece would normally go, then you put an eyepiece or camera on the end of that

Dave


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Canon 5D3, 6D, 700D, a bunch of lenses and other bits, ohhh and some Pentax stuff ;)

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Tareq
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Dec 03, 2017 22:18 |  #11

Davenn wrote in post #18509334 (external link)
then you question is VERY UNCLEAR .... as I DIDNT speak about filters NOT designed for solar

There are Ha filters hat can be used on normal scopes BUT as I previously said, they are quite expensive because of they are specialised
They slide in where the eyepiece would normally go, then you put an eyepiece or camera on the end of that

Dave

I have a narrowband filter of Ha, but that is used for astrophotography, can you use it for Solar? and the Ha filter for Solar is it used for astrophotography?

I asked because i thought narrow band filters are different than solar filter, because i thought they are not in same performance, i mean does that solar filter narrow banding the wave length as the NB filters used in astrophotography?

Hope we are not misunderstanding each other, because different filters even under same name do different tasks, i have OIII filter but that is for visual, and it is so different than OIII that is used for narrow banding, so i hope i get corrected or you.

Also, only Ha filters are used for solar anyway? i saw another filters called for solar and it isn't a Ha filter, so i am widen the options here.


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Tareq
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Dec 03, 2017 22:21 |  #12

And about expensive? who said Ha filters are very expensive? if you talk about one or 2 brands that are top quality then yes, but there are other brands which have them at reasonable prices, and filters are expensive anyway even for solar, the cheapest filter i bought which is just for Moon or IR/UV cut cost me about $60, so what do you think a specialized filter can cost? even in photography, buying some filters aren't cheap anyway.


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Davenn
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Dec 04, 2017 01:17 |  #13

Tareq wrote in post #18510007 (external link)
I have a narrowband filter of Ha, but that is used for astrophotography, can you use it for Solar? and the Ha filter for Solar is it used for astrophotography?
I asked because i thought narrow band filters are different than solar filter, because i thought they are not in same performance, i mean does that solar filter narrow banding the wave length as the NB filters used in astrophotography?


the ones for deep space astrophotography are quite wide band and compared to a solar Ha filter they are VERY wide band

You CANNOT swap their uses ... solar wont work for deep space and visa versa

Hope we are not misunderstanding each other, because different filters even under same name do different tasks, i have OIII filter but that is for visual, and it is so different than OIII that is used for narrow banding, so i hope i get corrected or you.

you have been misunderstanding the differences which I have been trying to explain to you over the last few posts ;-)a

Also, only Ha filters are used for solar anyway? i saw another filters called for solar and it isn't a Ha filter, so i am widen the options here.


there are 3 common filters for solar work ....

1) a simple film filter for white light viewing/imaging ... google "Baader filter film"

2) Ha filters these are split into 2 types

a) Prominence filters with a bandwidth of 0.7 Angstrom +- approx. 0.05 A, so approx. 0.65 - 0.75 A .... these filters show the prominences and filaments very well
but not much of the finer details of the solar disk features

b) Chromosphere filters with a bandwidth of 0.5 Angstrom +- approx. 0.05 A, so approx. 0.45 - 0.55 A .... these filters show the prominences and filaments well
but are much better for the finer details of the solar disk features

3) and for those people that are VERY RICH there's the Calcium-k line filter .... these show details around active regions very well
Their images look nothing like the ones above


it's because of the specialist high tech manufacturing of the solar filters that make them quite expensive

Dave


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Davenn
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Post has been edited 14 days ago by Davenn.
Dec 04, 2017 01:39 |  #14

Tareq wrote in post #18510009 (external link)
And about expensive? who said Ha filters are very expensive? if you talk about one or 2 brands that are top quality then yes, but there are other brands which have them at reasonable prices, and filters are expensive anyway even for solar, the cheapest filter i bought which is just for Moon or IR/UV cut cost me about $60, so what do you think a specialized filter can cost? even in photography, buying some filters aren't cheap anyway.


Again you totally misunderstand what it's all about Ha solar filters start at around US$1200 - $1400 and from up from there into the many, many $1000's
There are NOT other brands of solar filter that are dirt cheap

if there were, do you think all us guys that solar Ha observing/imaging would spend $1000's if we didn't have to ??

of course not !! I and other's spend those $1000's because we have to, there isn't a choice

you are continuing to make wildly inaccurate statements based on a lack of knowledge of the subject ... you would be wise to stop doing that
and start listening ;-)a

PLEASE do some looking around www sites for solar Ha filters and you will see that what I have been saying is correct

Dave


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Tareq
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Dec 04, 2017 05:45 |  #15

Ok, i looked at this lnk, and it is showing Ha or Calcium filters and sure expensive, but i wasn't talking about those, i was talking about NB filters.

https://optcorp.com ...h-alpha-calcium-k-filters (external link)

And here is narrowbanding filters

https://optcorp.com ...ctions/narrowband-filters (external link)

So if i am so confusing or lacking of knowledge then please tell those sites and stores to stop giving us wrong knowledge, and better you start a store so i can buy from you the right/correct items, or say the right category, and again, i wasn't trying to make you wrong, but all that confusing from me is to correct myself, and you did, but i just follow the sites naming, and the Ha filter i have is not narrow banding then they misled me.

Thanks again.


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