Celestial hemisphere:  Southern  ·  Constellation: Ophiuchus (Oph)  ·  Contains:  IC 4601  ·  IC 4603  ·  IC 4604  ·  IC 4605  ·  M 4  ·  NGC 6121  ·  Part of the constellation Scorpius (Sco)  ·  The star 22Sco  ·  The star 36Oph  ·  The star Al Niyat (σSco)  ·  The star Antares (αSco)  ·  The star θOph  ·  The star οSco  ·  The star ρOph  ·  The star τSco  ·  The star ψOph  ·  The star ωOph  ·  rho Oph Nebula
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Rho Ophiuchus Nebula Widefield, Scott Denning
Rho Ophiuchus Nebula Widefield
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Rho Ophiuchus Nebula Widefield

Getting plate-solving status, please wait...
Rho Ophiuchus Nebula Widefield, Scott Denning
Rho Ophiuchus Nebula Widefield
Powered byPixInsight

Rho Ophiuchus Nebula Widefield

Equipment

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Description

Widefield of Rho Ophiuchus Nebula in Scorpius Sagittarius

July 1, 2017 Sony a7S ISO 3200 Rokinon 135 f2 10 x 15 degrees of sky!

95x30s exposures during transition from astro-twilight into night

Terrible sky gradients that I couldn't get rid of

Darks flats applied

Linear fit integration

DBE (somewhat unsuccsessful)

MLT noise reduction in linear state

Masked stretch

TGV denoise

Curves

SCNR

Comments

Sky plot

Sky plot

Histogram

Rho Ophiuchus Nebula Widefield, Scott Denning