Celestial hemisphere:  Southern  ·  Constellation: Carina (Car)  ·  Contains:  Carina Nebula  ·  IC 2599  ·  NGC 3293  ·  NGC 3324  ·  NGC 3372  ·  Part of the constellation Carina (Car)  ·  The star t1 Car  ·  The star u Car  ·  The star w Car  ·  eta Car Nebula
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Carina Panorama with Pentax 67 300mm, Ignacio Diaz Bobillo
Carina Panorama with Pentax 67 300mm
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Carina Panorama with Pentax 67 300mm

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Carina Panorama with Pentax 67 300mm, Ignacio Diaz Bobillo
Carina Panorama with Pentax 67 300mm
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Carina Panorama with Pentax 67 300mm

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Description

Last night finally cleared, but after noticing that the seeing was pretty horrible, I decided to experiment with my Pentax 300mm f4 ED(IF) lens instead of using my big scope. This telephoto lens has a great reputation, although my specimen, which I bought used, suffers from collimation problems (probably due to rough handling in the past.)  Still, by stopping it to f6.6, and with the magic of BXT, it is quite usable.

On the processing side, I ended up using 2x drizzle integration, to attain better star profiles that were more effectively handled by BXT/NXT, leaving no ringing artifacts.

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Carina Panorama with Pentax 67 300mm, Ignacio Diaz Bobillo