16 replies to this topic

[hobbyknipser]

Hi, All,

 

first, I'm sorry for my bad English; I'm not used to write in English.

 

We are a group of 13 Astrophotographers with different telescopes and cameras in a german Astroforum (Astrotreff) and have united our data of M64 in the beginning of 2019 to create a deeper image (and to show more details in M64; some more dust in the arms) as one image of each of us could do. ..Now we are 16 I think ...or more...

One of us, our best man in postprocessing, Ralf Burkart-Kreuels, has been succeeded in putting all data together to an already good result.

But this result (till May 2019) should be only an interim result!

The added image is the result of about 120h of exposure. It's depth is actually 24 to 24,5mag. and we see some dust in the arms.

The image has been Astrophoto of the week in the german Astronomie forum. This is the link to the image of the week, with a better image resolution, I hope (I'm sorry in german):

https://forum.astron...peridee.275849/

The postprocessing of these different Data is rather difficult!

Now in July we have actually about 150h of exposure data.

Our aim is to participate in the competition "Astrophotographer of the Year in Greenwich in March 2020 (or maybe APOD? if we  have good luck ).

 

So we need further data to go deeper and show more dust in the arms. The IFN is'nt seen, too.

In the image is still some noise, so that further data can be added better, Ralf hopes.

 

If You like to join us and give us  Your stacked RAW-Files in .tif (without gradient reduction, noise reduction or sharpening) of M64, You got in the past, Your names would be named in the end result (if You want) and You could use all the already existing data, to process the image Yourselfes (and You can compare Your result with Ralf's result and contact him).

Our man here for the organisation of the data is Piotr (in Hamburg, Germany).

His E-mail-adress is:      info@pk-photos.de    

He gives You the password, with which You can use all the data.

The link for the password is:    https://pk-photos.de...ftsprojekt-m64/

If You send the link to Google, Dropbox, etc. (where Your data are) to him, it would be good, if this link is released!

Moreover it would be fine, if You can tell him the date of exposure, the telescope, focal length, camera, filter and the whole exposure time.

 

Thanks for this lot of reading

Andreas

Edited by hobbyknipser, 24 July 2019 - 11:26 AM.

[H-Alfa]

This is a wonderful idea. And the result is spectacular!
Unfortunately I don't have data to share with you, sorry.

Enviado desde mi ANE-LX1 mediante Tapatalk

[josh smith]

Very cool!  That's a very picturesque result.  

 

I think I can get you some data from a collaboration I did with my dad...  I'm surprised that you don't see IFN as it was almost immediately visible in both our widefield setup and high res setup from only a moderately dark site...  

[descott12]

Beautiful image. Nice work!

[hobbyknipser]

Hi,  H-Alfa,

 

Thanks for Your kind comment!

I think, in Germany it's actually hotter than in Spain!

 

greetings

Andreas

[hobbyknipser]

Hi, Josh,

 

we would enjoy Your data, that's the main reason for my Thread!

I hope, the E-mail-adress of Piotr works... if not, tell me please!

 

We had some IFN in a few single images... but the difficulty is to show it in the whole luminance image of all authors.

Ralf had hard to work...besides: our sky ist rather light polluted...

 

many greetings

Andreas

Edited by hobbyknipser, 24 July 2019 - 08:47 AM.

[hobbyknipser]

Hi, Dave,

 

many thanks for Your fine praise!

 

greetings

Andreas

[calypsob]

Hi, Josh,

 

we would enjoy Your data, that's the main reason for my Thread!

I hope, the E-mail-adress of Piotr works... if not, tell me please!

 

We had some IFN in a few single images... but the difficulty is to show it in the whole luminance image of all authors.

Ralf had hard to work...besides: our sky ist rather light polluted...

 

many greetings

Andreas

If your sky is light polluted then you are going to have to mask the IFN data onto the light polluted data. You could probably ROI crop and integrate the bright core of the LP data into the darksite data to truly integrate 120hrs.

[isogroup]

What type of telescope and camera combos are you using. I could go deep from the iTelescope network scopes to provide a good light frame. Are you shooting for a particular arc second to pixel ratio?

 

Rick

(always looking for something to do...)

[hobbyknipser]

Hi, Wes,

 

thanks for Your informative comment!

I will tell Ralf, to read here Your comment. He is much better in Postprocessing than me.

 

many greetings

Andreas

[H-Alfa]

Hi, H-Alfa,

Thanks for Your kind comment!
I think, in Germany it's actually hotter than in Spain!

greetings
Andreas

Jajjaja yes, I heard about that! Sahara winds are reaching north Europe isn't it?

Here we're suffering the consecuences also. I'm imaging this days and I had to set the cooler of the camera at -5C because it was already at 95% of power.
The good thing is that this usually means clear skies, at least here, in Barcelona.

Regards.

Alberto.

Enviado desde mi ANE-LX1 mediante Tapatalk

[hobbyknipser]

Hi, Rick,

 

if You look at my first link #1 above, Image of the week, You will find at the bottom of the image the names of the authors and the telescopes, which were used for this image.

We take all stacked unprocessed RAW-Files from 135mm (for the widefield IFN and the surroundings) till 3500mm (for the best resolution, if the seeing is o.k.); no particular "/Px.

But, if You have a big telescope and a good seeing at this very good remote observatory: it would be great for us to implement Your data (to use it for the Core of M64 and the near arms! The overall exposure is for us the most important thing!...and... Ralf is a big fan of resolution! He would be very happy! He prefers using lucky imiging with 1-2 sec (for M64 Core, too)... and one of us uses a EM-CCD with under 1 sec (but the seeing is the big problem!).

 

kind greetings

Andreas

Edited by hobbyknipser, 24 July 2019 - 10:44 AM.

[hobbyknipser]

Hello, Alberto,

 

I have only DSLR's, which are not usable at theese temperatures ( 25°C; uncooled)...and in North-Rhine-Westphalia, Germany, we have light clouds (Sahara dust) and very big airplane tracks...and now 37°C. tomorrow it will be hotter...

 

greetings

Andreas

Edited by hobbyknipser, 24 July 2019 - 12:16 PM.

[hobbyknipser]

Hi, gents,

 

one guy of us, Mario, has annotated our image!

 

theese are only the 623 Galaxies:

https://www.dropbox....n_full.jpg?dl=0

 

and this are the 513 stars in the photo:

 

https://www.dropbox....e_full.jpg?dl=0

 

and here the 6 Quasars:

https://www.dropbox....e_full.jpg?dl=0

 

and here the 83 non-stars (many of them maybe Galaxies):

https://www.dropbox....s_full.jpg?dl=0

 

and here: all together:

 

https://www.dropbox....s_full.jpg?dl=0

 

and here are the 86 molecular clouds in the core of M64:

 

http://www.astrotref...90702182903.jpg

 

regards

Andreas

Edited by hobbyknipser, 26 July 2019 - 01:13 PM.

[hobbyknipser]

Hi, gents,

 

this project is nearing the end (March 2020)!

Now we have already nearly 200h of total exposure time and the data of the last 80h are as good as the data of the first 120h. The result will be some deeper than the first image above, as Ralf told us.

I think, in a week is the last possibility to contact our man above in post #1 here and give him your RAW-Stacks in .tif or .fits, which still would be a part of  the final image, if you want that. Your full names would be named in connection with this final image, if you like.

If you are great in post-processing, you can use all data of the data pool and create ...please read post #1.

 

Josh smith and Rick (Isogroup), you seemed to be willing to give us some data...do you still have interest to do this?

 

greetings

Andreas

Edited by hobbyknipser, 01 March 2020 - 09:09 AM.

[hobbyknipser]

Hi, all!

 

for our competition we had to finish the project M64 yesterday!

This is the result of nearly 200h integration time. There was still some noise in the final image to show all the very faint details (and not to loose them by denoising), our post-processor Ralf told us. 700 galaxies were in the background and some new dust in the arms of M64.

So enjoy!

 

 

greetings

Andreas

 

 

 

[hobbyknipser]

...and here a crop of M64 itself...

 

 

cheers

Andreas