Comet Leonard - T56...
 
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2022-09-02: APP 2.0.0-beta4 has been released !

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windows 2.0.0-beta4

macOS x86_64 2.0.0-beta4

macOS arm64 M1 2.0.0-beta4

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Comet Leonard - T56 iTelescope.net


(@mabula-admin)
Quasar Admin
Joined: 5 years ago
Posts: 3239
Topic starter  

Hi all,

Christian Sasse, astronomer in charge at iTelescope.net shared this beautiful data set of Comet Leonard. It was shot with T56 from Australia.

It is RGB filter data and processing was very easy in APP 1.083.

I processed it in multi-channel mode, and the comet registration worked perfectly on the bright comet nucleus.

It gave me 4 integrations:

  • Red
  • Green
  • Blue
  • and I integrated all channels into another stack, so that is RGB combined to get a Luminance stack.

 

With the RGB Combine Tool, I used formula LRGB2. Then removed the gradients with the Remove Light Pollution Tool and finally made a very nice stretch with APP's preview filter 🙂 Please click on the image to see the full resolution image.

Leonard RGB T56 Mabula APP1083

Hope you like it!

Mabula

This topic was modified 9 months ago 3 times by Mabula-Admin

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(@cpear004)
Molecular Cloud Customer
Joined: 2 years ago
Posts: 6
 

Really great picture, Mabula! Such detail. Appreciate the overview on the workflow. I used a more direct stacking workflow and then ran post-processing through Adobe Photoshop and Lightroom a few weeks back. This is a wide field view of C/2021 A1 from Suburban Maryland, just north of Washington DC taken using a RedCat 51 and a ASI2600MC-Pro. About 30 minutes of total integration time, 30 seconds per exposure.

~Clear skies!

Comet C 2021 A1

 

 

This post was modified 9 months ago by Christopher Pearson

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(@mabula-admin)
Quasar Admin
Joined: 5 years ago
Posts: 3239
Topic starter  

Thanks @cpear004 and you are most welcome !

Thanks for sharing your result as well, it is very nice 🙂

Mabula


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(@lgreenlklmmedia-com)
Hydrogen Atom Customer
Joined: 2 years ago
Posts: 1
 

I had a few Comet Leonard encounters - including one where I have stacked with the Comet Registration process from 1.083

Herein attached is One without the Comet Stacking (shows elongated Nucleus) - Slightly different processing in each, as the Comet registration also seemed to change the end result in overall colour data.

CometLeonard CometMode St cometregistration
CometLeonard RGB session 1

 These were from Green Point, Brighton, Vic - travelled down there on the night from our place in Ringwood East specifically to nab the beasty


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(@daniel_n)
Main Sequence Star Customer
Joined: 3 years ago
Posts: 43
 

Hi,

is it now possible to register on the comet AND the stars at the same time? So that in the finished stack the comet and the stars are sharp.


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(@wvreeven)
Galaxy Admin
Joined: 4 years ago
Posts: 1947
 

@daniel_n No, this is not possible yet.


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(@daniel_n)
Main Sequence Star Customer
Joined: 3 years ago
Posts: 43
 

Ok, is that still coming? Would be really awesome 🙂

Here's a recent shot from last night. C/2017 K2 with IC 4665

C2017 K2 detail
C2017 K2

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(@wvreeven)
Galaxy Admin
Joined: 4 years ago
Posts: 1947
 

@daniel_n Yes, it is on the TODO list for a future version but not for APP 2.0.0.


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