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Barlowed Keyhole in H-alpha, Ignacio Diaz Bobillo

Barlowed Keyhole in H-alpha

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Barlowed Keyhole in H-alpha, Ignacio Diaz Bobillo

Barlowed Keyhole in H-alpha

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Description

I tested a new autoguiding setup with this bright target, from my backyard. 10-minute subs show no hint of flexure, which is good news to me. Seeing, on the other hand, did not help much.

Imaged with a 1.8 barlow lens at f/12.5, using a canon 450D mono modded, evidenced by the weird "cross" reflextions around Eta Carina. This resulted from light bouncing back from the naked CMOS sensor (very shiny surface), and back again to the photosites after reflecting on the sensor cover glass.

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Barlowed Keyhole in H-alpha, Ignacio Diaz Bobillo

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Astrofotógrafos de Argentina