Nebulosa ahulak Zefeo konstelazioan

Sh2-140, Sh2-145 and Sh2-150

 

 

Zefeo konstelazioan, Sh2-140, Sh2-145 eta Sh2-150 distira ahuleko nebulosak dira 4 graduko eremuaren barruan. Prozesatu dudan argazkirik zailenetakoa da, kontraste baxuko irudia lortuz horrela elkar nahasten diren nebulosa ahul gorri, marroi eta urdinak nabarmenduz irudi prozesamenduan, Sh2-145 nebulosan gertatzen den bezala.

In the constellation Cepheus, Sh2-140, Sh2-145 and Sh2-150 are faint nebulae within almost 4 degree apparent field. This image is one of most difficult field that I ever processed to getting a low contrast image to show all those fine structures, paying attention to very faint red, brown and blue nebulas mixed all together as in Sh2-145.

● Objektua:    Sh2-140, Sh2-145 eta Sh2-150 nebulosen eremua.

● Esposizio-denbora:    23 x 300s (L) + 12 x 300s (R) + 12 x 300s (G) + 12 x 300s (B).

● Processing:    PixInsight Core 1.8.

● Teleskopioa:    Takahashi FSQ-106EDX3 eta EM-200Temma2M. Seletek Armadillo / Focusmax.

● Kamera:    Andor Apogee U16M / AFW-50-7S ( - 20ºC ). Astrodon E-Series genII iragazkiak.

● Jarraipena:    FS-60CSV, QHY-5, PHDguiding.

● Data:    2021ko abuztuak 5.

●  Object:    Field of the Sh2-140, Sh2-145 and Sh2-150 nebulas.

●  Exposure:   23x 300s (L) + 12 x 300s (R) + 12 x 300s (G) + 12 x 300s (B).

●  Processing:    PixInsight Core 1.8.

●  Telescope:    Takahashi FSQ-106EDX3 on EM-200Temma2M. Seletek Armadillo / Focusmax.

●  Camera:    Andor Apogee U16M / AFW-50-7S ( - 20ºC ). Astrodon E-Series genII filters.

●  Guiding:    FS-60CSV, QHY-5, PHDguiding.

●  Date:    5th of August 2021.

 

 

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