Celestial hemisphere:  Southern  ·  Constellation: Scorpius (Sco)  ·  Contains:  IC 4603  ·  IC 4604  ·  IC 4605  ·  M 4  ·  NGC 6121  ·  NGC 6144  ·  The star 22Sco  ·  The star Al Niyat (σSco)  ·  The star Antares (αSco)  ·  The star οSco  ·  The star ρOph  ·  rho Oph nebula
Scorpius-Ophiuchus, Shenyan Zhang
Scorpius-Ophiuchus
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Scorpius-Ophiuchus

Scorpius-Ophiuchus, Shenyan Zhang
Scorpius-Ophiuchus
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Scorpius-Ophiuchus

Equipment

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Acquisition details

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Description

Version E and Original is a gradient free version. There is no uneven gradient from the sky and no effection of the flat frame mis-correction.

Version B is a reference image. The uneven gradient and ugly color from Version C was fixed by this version.

Version C is an ugly version with bad badground elimination and failure color callibration.

Version D is an older processed version. https://www.astrobin.com/full/398309/0/

My next step is to create a 9 frame mosaic base on the reference image.

Comments

Revisions

  • Final
    Scorpius-Ophiuchus, Shenyan Zhang
    Original
    Scorpius-Ophiuchus, Shenyan Zhang
    B
    Scorpius-Ophiuchus, Shenyan Zhang
    C
    Scorpius-Ophiuchus, Shenyan Zhang
    D
    Scorpius-Ophiuchus, Shenyan Zhang
    E
    Scorpius-Ophiuchus, Shenyan Zhang
    G

B

Description: Williams optic 51 redcat apo.
4hours
D800a

Uploaded: ...

D

Description: old processed version

Uploaded: ...

E

Description: The one the star was beautified

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G

Description: structural enhancement

Uploaded: ...

Sky plot

Sky plot

Histogram

Scorpius-Ophiuchus, Shenyan Zhang

In these public groups

China Lijiang Gemini Observatory