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My Deepest Image Ever!

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33 replies to this topic

#1 Thundermoon1994

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Posted 02 July 2020 - 12:18 AM

Hi everyone,

 

This image of the Iris Nebula is the deepest I've ever gone on an object, from a SNR standpoint.  I've had my RASA 8 for about 4 months now, but this is the most data I've stacked for an image (5.8 hours, 700 x 30-seconds).  This is theoretically equivalent to about 32 hours of integration time with my 80mm APO, and I definitely never got 32 hours on any object....my personal best was somewhere around 15 hours, and that took me 3 months to get with my crummy, cloudy skies!  In fact, my cloudy skies were the biggest reason I bought a RASA. grin.gif It's really helped turn nights with short clear windows into very productive nights.

 

Anyway, without further adieu, here is my image of the Iris Nebula.  I'm really happy with it. There's just so much going on! smile.gif

 

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50066943393_af65859802_h.jpg

 

 

50066943418_b0e3afb4ca_h.jpg

 

 

 


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#2 james7ca

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Posted 02 July 2020 - 12:31 AM

Nicely framed and you've retained color in the stars even with that aperture and f-ratio. Well done and thanks for sharing.


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#3 clusterbuster

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Posted 02 July 2020 - 12:39 AM

Very Nice ! 

Mark


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#4 havasman

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Posted 02 July 2020 - 12:52 AM

impressive


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#5 jerahian

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Posted 02 July 2020 - 01:16 AM

Beautiful image, Damien!  Excellent star colors and exposure processing for both the iris core and the dust clouds surrounding it.  Congratulations.

 

-Ara


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#6 happylimpet

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Posted 02 July 2020 - 02:43 AM

Quality indeed.

 

I really like how you havent tried to kill all the noise, so it looks like a real image, rather than the plastic ones we see all the time.

 

Superb - I would happily have that on my wall.


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#7 Ron (Lubbock)

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Posted 02 July 2020 - 07:37 AM

Damien,

 

That isn't just a deep image, it's a top-shelf job of processing the data.   I have looked through a lot of images of NGC 7023 this week as I compared different imaging systems, and this one is one of my favorites.  The few that are noticeably better have "insane" integration time behind them.   I'm very impressed with a result like this from 5.8 hours of integration.  I also like what you did with the colors.  Thanks for sharing!


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#8 liors

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Posted 02 July 2020 - 10:09 AM

Wonderful result you got here Damien, did like more the wider version, AWESOME!!!waytogo.gif


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#9 Monkeybird747

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Posted 02 July 2020 - 10:17 AM

You have every right to be happy with it. This is a very fine Iris image. Well done!
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#10 Ladyhawke

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Posted 02 July 2020 - 10:22 AM

Greetings from Ohio. Wonderful image, you should show this to the people that put the RASA down laugh.gifpoke.gif


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#11 lynnelkriver

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Posted 02 July 2020 - 10:36 AM

Well done!  Scott


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#12 meeus

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Posted 02 July 2020 - 11:23 AM

Great detail and balance! Congratulations. That RASA is a killer.


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#13 sunnyday

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Posted 02 July 2020 - 11:26 AM

superb wide field , very nice , thanks .


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#14 coinboy1

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Posted 02 July 2020 - 12:34 PM

Thats awesome! That image is superb and I think Im sold on the RASA 8 now!!
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#15 elmiko

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Posted 02 July 2020 - 02:35 PM

Wow Damien! This is really amazing! It is so three-dimensional! Excellent processing!


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#16 Skyshooter

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Posted 02 July 2020 - 10:57 PM

Damien, Beautiful result. You nailed it ! I'm sure it's not just the RASA...

Obviously you have some hard core processing skills. 

Thanks for sharing

 

-Ed


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#17 Thundermoon1994

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Posted 03 July 2020 - 01:18 AM

Thank you, everyone, for the kind words! I really appreciate that you took time to comment. smile.gif I'm also glad you enjoyed the image. 

 

 

Damien



#18 Thundermoon1994

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Posted 03 July 2020 - 01:30 AM

Greetings from Ohio. Wonderful image, you should show this to the people that put the RASA down laugh.gifpoke.gif

I didn't realize you were in Ohio. Aren't the cloudy skies lovely? lol.gif

 

At least in my neck of the woods, about 45 minutes south of Lake Erie, May to October is when I get about 80% of my clear nights. December to February? Forget about it!

 

As for the RASA, it's amazing. That's not to say that it doesn't come with it's share of challenges. Sensor tilt is the biggest one I've dealt with. After experimenting, I've found that I MUST arrive at focus by turning the knob clockwise, which is opposite of what I've always read about Celestron SCT's. The tilt is wicked bad if I come into it from the other side! 

 

 

Damien



#19 Ladyhawke

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Posted 03 July 2020 - 06:29 AM

I didn't realize you were in Ohio. Aren't the cloudy skies lovely? lol.gif

 

At least in my neck of the woods, about 45 minutes south of Lake Erie, May to October is when I get about 80% of my clear nights. December to February? Forget about it!

 

As for the RASA, it's amazing. That's not to say that it doesn't come with it's share of challenges. Sensor tilt is the biggest one I've dealt with. After experimenting, I've found that I MUST arrive at focus by turning the knob clockwise, which is opposite of what I've always read about Celestron SCT's. The tilt is wicked bad if I come into it from the other side! 

 

 

Damien

I am 15 minutes from Wheeling, over here I can include May and sometimes June to the forget about it list. Ohio's weather sucks so I use those months to sleep or plot a plan for the next amazing piece of gear that will be fast enough to maybe let me take 1 image per month (minus those months mentioned earlier).

 

Yes, I know exactly what you mean about the RASA being challenging, not because I own one but because I own a Hyperstar (well actually my second one) so yeah, amazing fast comes with a price.

 

Congrats again on this beautiful image :)


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#20 coinboy1

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Posted 03 July 2020 - 06:46 AM

Btw how did you get the beautiful star spikes ? Mind showing us your cable arrangement in front of the OTA?


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#21 Thundermoon1994

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Posted 03 July 2020 - 09:28 AM

Btw how did you get the beautiful star spikes ? Mind showing us your cable arrangement in front of the OTA?

 

I use the Astrozap aluminum dewshield, which has holes cut for clean, symmetrical cable routing. I tape the cables to the OTA to hold them in place. Since the spikes still aren't perfect, I use a Photoshop plugin called StarSpikes Pro to clean them up.

 

 

Damien



#22 artem2

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Posted 03 July 2020 - 11:09 AM

Very Nicelike-button.jpglike-button.jpg


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#23 dustyc

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Posted 03 July 2020 - 02:48 PM

Excellent job! 

There is a thread over in the beginner section asking about hyperstar, RASA,  and refractor and which is best. Since a picture is worth a thousand words I'd say you summed up that whole thread with that one photo.


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#24 PeteM

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Posted 03 July 2020 - 11:45 PM

Very nicely framed and processed. Congrats!


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#25 Thundermoon1994

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Posted 06 July 2020 - 10:35 AM

I am 15 minutes from Wheeling, over here I can include May and sometimes June to the forget about it list. Ohio's weather sucks so I use those months to sleep or plot a plan for the next amazing piece of gear that will be fast enough to maybe let me take 1 image per month (minus those months mentioned earlier).

 

Yes, I know exactly what you mean about the RASA being challenging, not because I own one but because I own a Hyperstar (well actually my second one) so yeah, amazing fast comes with a price.

 

Congrats again on this beautiful image smile.gif

 

 

Very Nicelike-button.jpglike-button.jpg

 

 

Excellent job! 

There is a thread over in the beginner section asking about hyperstar, RASA,  and refractor and which is best. Since a picture is worth a thousand words I'd say you summed up that whole thread with that one photo.

 

 

Very nicely framed and processed. Congrats!

 

Thank you, all!  I really appreciate it. smile.gif

 

 

Damien




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