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Rho Ophiuchi Region

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twade:
To all,

Here's an image I took of the Rho Ophiuchi region back in May.  Given its location, I could only get thirteen 8-minute light frames at 45N.  It was taken with a modified Canon 5D2 at ISO 800 using a EOS 200mm f/2.0L lens stopped down to f/4.0. I used 24 biases, 24 flats, and 6 darks for calibration.  This was a very difficult image to process.  There was the typical low elevation atmospheric "red" gradient to remove.  In addition, there were so few neutral background areas to work with so I made a few up.  ;)



Here's a higher resolution link http://www.northwest-landscapes.com/images/deepsky/wide-field/rho_oph_5d2_200mm_1600x2400.jpg

Thanks for looking,

Wade

ajbarr:
Wade i think that is seriously awesome. Great job.

Ignacio:
Beautiful, framing is great! Very natural feel to it.

Ignacio

twade:
Albert and Ignacio,

Thanks.  I hope to capture more frames next year.  I've found you need at least twenty light frames for a good signal to noise ratio with the 5d2.

Wade

Tom OD:
Nice framing to get both IC4592 in there too. Looks good and sharp, and if you add more data you'll really bring out the colour. I tried this object from 44 degrees but gave up. Too low, and bad signal. You've done a great job here.
Tom.

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