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Backyard imaging NGC 1761 and its companions in the outskirt of the LMC, Claudio Tenreiro
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Backyard imaging NGC 1761 and its companions in the outskirt of the LMC

Revision title: A final background treatment

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Backyard imaging NGC 1761 and its companions in the outskirt of the LMC, Claudio Tenreiro
Powered byPixInsight

Backyard imaging NGC 1761 and its companions in the outskirt of the LMC

Revision title: A final background treatment

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Description

Nice area of star clusters and clouds, mostly HII, actually it is interesting the amount of "dust" or gas in the sector, ideal for NB filters.
This is one of the interesting sectors, outside the main galaxy, the LMC is full of objects in its external part. In this case, an open cluster in the center of the place, the NGC 1761, but also many other clusters are in the same sector, all of them having ionized gas in the area.
The seeing was not good, acording to meteoblue, high altutude clouds and winds, index 1 and 2 not good.
I took this cluster a while ago using a remote system, in NB and, it is really amazing what you can differenciate in its structure, image in https://www.astrobin.com/fp0ee9/?q=ngc%201761.

Comments

Revisions

  • Backyard imaging NGC 1761 and its companions in the outskirt of the LMC, Claudio Tenreiro
    Original
  • Backyard imaging NGC 1761 and its companions in the outskirt of the LMC, Claudio Tenreiro
    B
  • Backyard imaging NGC 1761 and its companions in the outskirt of the LMC, Claudio Tenreiro
    C
  • Backyard imaging NGC 1761 and its companions in the outskirt of the LMC, Claudio Tenreiro
    D
  • Final
    Backyard imaging NGC 1761 and its companions in the outskirt of the LMC, Claudio Tenreiro
    E

B

Title: Better contrast of details in the main object, NGC 1761 and the surrounding structures.

Description: The main difference was the slowly stretching that I did apply this time. Also background extraction less aggressive, so better resolution of the stars is achieved.

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C

Title: A final background treatment

Description: Application of TGV Denoise on the final image.

Uploaded: ...

D

Title: New round using noiseXterminator,

Description: This version it gives higher contrast but, also the red spectrum is wider, giving a quite strong reddish - yellowish tone

Uploaded: ...

E

Title: New colour calibration and more data

Description: The image was getting reddish and there was a problem in the way I was using photometric colour calibration, now is much better. Also I am having more data, so it will improve even more.

Uploaded: ...

Sky plot

Sky plot

Histogram

Backyard imaging NGC 1761 and its companions in the outskirt of the LMC, Claudio Tenreiro