Celestial hemisphere:  Northern  ·  Constellation: Lyra (Lyr)  ·  Contains:  M 57  ·  NGC 6720  ·  Ring Nebula
Dobson SW30 - m57 of 4th of July 2017, Stefano Ciapetti
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Dobson SW30 - m57 of 4th of July 2017

Dobson SW30 - m57 of 4th of July 2017, Stefano Ciapetti
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Dobson SW30 - m57 of 4th of July 2017

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Description

First test of Dobson 12 goto SW paired with the ASI 290MM uncooled. Image is the cropped result of: 2 Avi files, of 60 sec each one with a 1 sec frame rate, 313 x 1 sec and 120 x 2 sec exposure. Total around 10 minutes. I am pretty surprised of the result. - New version with some more contrast.

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Revisions

  • Dobson SW30 - m57 of 4th of July 2017, Stefano Ciapetti
    Original
  • Dobson SW30 - m57 of 4th of July 2017, Stefano Ciapetti
    D
  • Final
    Dobson SW30 - m57 of 4th of July 2017, Stefano Ciapetti
    E

E

Description: Gimp unsharp mask applied on the nebula

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Dobson SW30 - m57 of 4th of July 2017, Stefano Ciapetti