emyliano2000

Thank you again, I'm really glad you like it. To be honest I wasn't really expecting much from this target but it turned out to be one of my best photos 😊

Emil

Thank you all, I'm glad you like it 😊

Emil

Didn't have time to edit some of my finished targets lately, but here's a first one from the backlog. The Lion nebula in SHO.

46 minutes ago, Allinthehead said:

My image below made the shortlist😀

 

Congrats and good luck, it's a great photo 😍

Emil

At the beginning of the year, I bought a L-extreme filter to capture HOO in one go with my ASI294MC camera but the halos around the bright stars were horrible so I sent it back and invested in a good Ha filter to have a go at HaRGB imaging with the colour camera.

This is my first processed target with the new combination.

DWB 111 - Propeller nebula in HaRGB

Total integration time: 11 hours and 20 minutes

 

Thanks for looking.

 

Emil

 

 

 

 

This is probably the last galaxy for this season, not great but I don't find it very bad either.

20 hours and 37 min total integration time.

I really love these Arp galaxies but my equipment and skies are not suitable for most of them.

Ha: 74x300sec Bin 2x2, Gain 200 Offset 10;

Luminance: 33x300sec Bin 2x2, Gain 125 Offset 30;

Red: 80x180sec;

Green: 76x180sec;

Blue: 78x180sec; Bin 2x2, Gain 125 Offset 30

 

Thanks for looking.

 

Emil

 

Found some more data from 2017 and 2018 so I thought of putting everything together.

Stacked in AstroPixel Processor and processed in Pixinsight and Photoshop CC 2021

 

Astrobin link: https://www.astrobin.com/qwjf1a/B/

 

Thanks for looking

 

Emil

 

4 hours ago, peter shah said:

I felt the original needed some H-alpha so I grabbed 30mins worth to lift the background. So this rendition has 10x180s added.

Well, I might need some help to pick up my jaw off the floor, that is truly amazing. 😍😍

Emil

50 minutes ago, peter shah said:

Wow, beautiful colour all the way in

Thank you Peter, much appreciated! 😊

Emil

Going through my files I found that I had some data on M3 from 2019. So now I have some luminance shot with the QHY183M on the TS65Q some RGB shot at the same time as the luminance in 2019, with a modded Canon 700D on the SW 130PDS and RGB shot with the 294M on the AT106
I calibrated and split the channels from the 700D subs, stacked all the R, G and B and made a synthetic luminance by stacking everything, including the luminance.

Baader Neodymium Filter: 73x60" (gain: 16.00) -20C bin 1x1

Chroma 1.25" Blue: 57x180" (gain: 125.00) -15C bin 2x2

Chroma 1.25" Green: 60x180" (gain: 125.00) -15C bin 2x2

Chroma 1.25" Red: 47x180" (gain: 125.00) -15C bin 2x2

IDAS LPS D1 Clip EOS: 5x120" ISO800

IDAS LPS D1 Clip EOS: 34x135" ISO800

 

Integration: 10.9 hours

 

Emil

 

4 minutes ago, wimvb said:

Wow! impressive guiding for this "budget" mount. I must tune mine and start using it more for widefield imaging.

I only reduced the backlash, replaced the tripod with a stainless steel one and put a losmandy saddle on it. I'm extremely happy with its performance, sometimes running better than my eq6. 600sec at 420mm are not difficult at all, too bad the light pollution doesn't really permit it. 

Emil

1 minute ago, wimvb said:

Great image. Just curious: what guiding rms do you get with the eq3?

Thanks. On a good night I get around 0.6" total RMS. 

This is one of the best I got. 

With the summer quickly approaching and with Cygnus making its way back into the night sky, I went over some data captured 2 years ago.

For the RGB I used a full spectrum modified Canon 600D with an IDAS LPS-D1 CLIP filter and for the Ha, the astromodified Canon 700D with a Astronomik 6nm Ha clip in filter and for both I used the cheap nifty fifty, canon 50mm f1.8 @ f4.

RGB - 10x600sec ISO800 shot in Eversley, Bortle 4
Ha - 36x300sec ISO1600 shot in my back garden, Bortle 6

The cameras were mounted on a eq3 Pro mount and guided by PHD2
 

Thanks for looking!

Emil

Very beautiful indeed, I love it! 

Emil

4 hours ago, craigg said:

used drizzle to crop each galaxy individually, could you provide some more detail on what you did and why.  I'm interested in the process, just not sure what this improves or how you do it

Thank you!

With the ASI294M I have the option of using in the unlocked bin 1x1 mode, giving me a resolution of 8288 x 5644 using the cameras with 2.3um pixels. But in this mode and in combination with my AT106 I would be oversampled at 0.69"/px and my sky and the mount doesn't really allow it.

Because of that I'm using the camera in Bin 2x2 mode with a pixel size of 4.63um and to get that high resolution, which is great for galaxy imaging, I choose to drizzle x2 the stacks, where the linear images are reconstructed  and the resolution is doubled giving me in the end a high resolution image that I can easily crop without loosing any detais.

Drizzle is usually used with undersampled images to get that sweet  pixel scale between 1 and 2"/px, I do it all the time with my widefield setup because I'm imaging at 2.27"/px and drizzling is increasing the resolution, giving me a 1.13"/px pixel scale on the final image.

In order to have a good drizzeled result, the I use high dither between the images in the aquisition process and this is giving me a nice, clean drizzled stack. The drizzle algorithm is different from upscaling the photos because it's reconstructing the whole image, pixel by pixel.

At the moment I'm using Astropixel Processor and in the integration tab, right at the bottom, there is an option to drizzle the stacks. Before I used to do it in pixinsight.

I hope this helps in any way.

3 hours ago, jiberjaber said:

Looks fab.

I assume you added Ha to the R channel ? If so, what mix did you use, I've got some for M51 & M101 to play with so interested to hear on how you added yours.

Thanks.

Yes, I did blend the R with the Ha. What I did is opened a new file in photoshop, same size as the images, added the Red from the RGB, and on top of it I copied the Ha in Lighten mode. Many times the Ha is weaker than the R and to make it pop, I stretch the Ha layer quite a lot while keeping the background dark, even black clipped until the Ha areas are staring to come out on top of the R. I flatten the image and replace the R on a duplicate layer of the RGB photo with the new Ha-R blend, again in lighten more as I did before. The lighten mode will only show the the brighter areas from the new Ha-R blend, which of course will be the Ha regions that we want to add in the RGB image.

I hope this helps.

Emil

Congratulations! 

This is my second galaxy shot of the season. I thought of redoing some targets that I tried before when I was only starting my AP journey and M81-M82 are a pair that were always on my mind.

Living in Bushey, UK, on the outskirts of London, under bortle 7 skies and with the telescopes in the shade of a parasol that's protecting them from the direct beam of a streetlight doesn't really allow me to go deep enough to capture any IFN but I really don't mind.

I'm perfectly happy that I can still get results like this. I have to integrate quite a lot though, 22 hours on this one.

I drizzeled the stack so I can crop the galaxies separetely and preserve the details.

Technical details:

Stacked in AstroPixel Processor and processed in Pixinsight, EZ Processing Suite and Photoshop CC 2021

 

I hope you like them.

 

Emil

 

 

 

1 hour ago, gorann said:

Thanks Emil for enlighten me on the existence of EZ Star Reduction. As you say it works very well. I find it better than any other method I have tried and have now used it on several of my "old" images to suppress the star field and allow the nebulosity to shine.

I'm glad it helped. A friend told me about it a while ago and I've been using it with great success on a lot of my images

Emil

13 hours ago, teoria_del_big_bang said:

in my own opinion quite possibly the best image I have seen on SGL

Thank you very much for the kind words. I wouldn't go that far though, there are some incredible images here and I don't think mine is quite out there, but I really appreciate that you feel this way 🙂

Emil

I found out that in my m106 photo I have a 19.5 magnitude quasar, 12Gly away. 

Annotated in white. 

Emil

Seeing that my Orion's Belt and Sword photo was very liked on the Deep sky thread, I thought if posting it here too to show that good things can be achieved from bortle 6-7 using this superb lens. 

So 2 years ago, when I got the Samyang 135mm f2 lens, I couldn't wait for the winter to come so I can shoot Orion widefield.
Well I did shoot it but I forgot about the data and 2 days ago when I decided to redo some of my 135mm work I stumbled upon this untouched data and I went to work 

Details and full resolution on my astrobin account  https://www.astrobin.com/5i2906/?nc=user

Emil

3 hours ago, gorann said:

That is just outstanding Emil, especially for being DSLR. Congratulations!

PS. My only minor comment would be not to have such a big and central signature on the image - it distracts at least me from the image. I like there to be a signature in the corner so I can identify the photgrapher but let the image speak for itself, especially a nice one like yours.

Thank you! I usually reduce the opacity so it doesn't stand out that much. I probably forgot to do it for this one. 

2 hours ago, AndysAstroPix said:

Stunning!  🤩 Curious as to how you have processed the stars to create the lovely soft haloes around Altinak etc.?

 

2 hours ago, gorann said:

Yes, I am also curious about the star processing. Starnet? With a wide field lens like the Samyang 135 you usually get nearly drowned by the star field.

The halos are generated with the StarSpike Pro ad on in photoshop and for star reduction, I did use starnet in pix to create a mask and with that mask I used the EZ star reduction script which seems to work very well. On top of that I used the Ha stack as luminance a few times but only at 15%. I think I might've used the star reduction action from Noel Carboni's astro tools too. 

Emil

Thank you for the kind comments. ☺️

1 hour ago, Snoani said:

That s a beautiful image.  I bet that you wish you had processed this sooner.  

To be honest, I'm glad I did it now and not earlier because in the last 2 years I picked up quite a few new tricks and I don't think I would've managed to get a result close to this one,

The RGB data is not great with a lot of gradients caused by the light pollution. It would've looked much better if it was shot from a dark location but sometimes you got to work with what you've got.

Emil

Blast from the past.

2 years ago, when I got the Samyang 135mm f2 lens, I couldn't wait for the winter to come so I can shoot Orion widefield.
Well I did shoot it but I forgot about the data and 2 days ago when I decided to redo some of my 135mm work I stumbled upon this untouched data and I went to work 😁

Details and full resolution on my astrobin account  https://www.astrobin.com/5i2906/?nc=user

Emil

This is my attempt with the original Ha file.

I've done so many things that I couldn't keep count.

I combined the LRGB in Astropixel processor, calibrated the star colour, Moved to pix for DBE, soft stretch, saturation and a few other things. Moved to photoshop where I blended the Ha, used the luminance again, Added contrast to selected parts, high pass filter, vibrance, noise reduction and so on.

Emil