Celestial hemisphere:  Southern  ·  Constellation: Ophiuchus (Oph)  ·  Contains:  IC 4601  ·  IC 4603  ·  IC 4604  ·  IC 4605  ·  M 4  ·  NGC 6121  ·  The star 22Sco  ·  The star Al Niyat (σSco)  ·  The star Antares (αSco)  ·  The star οSco  ·  The star ρOph  ·  The star χOph  ·  The star ψOph  ·  The star ω1Sco  ·  The star ω2Sco  ·  The star ωOph  ·  rho Oph Nebula
Rho Ophiuchi at 100mm, Ricky Goodyear
Rho Ophiuchi at 100mm
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Rho Ophiuchi at 100mm

Rho Ophiuchi at 100mm, Ricky Goodyear
Rho Ophiuchi at 100mm
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Rho Ophiuchi at 100mm

Equipment

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Acquisition details

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Description

First light and first go at using a camera lens on the ASI1600MM Pro.

This was taken with a Canon 70-200mm f/4 lens at 100mm using ZWO RGB filters. camera rotation was limited due to the position of the filter wheel and guide scope that was mounted on the ZWO Camera holder. I'd taken a few hours of Luminance frames but something didn't work out with the platesolve and the target was not centered the same as the RGB frames.

Looking forward to doing more with the 70-200!

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Sky plot

Sky plot

Histogram

Rho Ophiuchi at 100mm, Ricky Goodyear