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Showing results for tags 'longexposure'.
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I was out imaging on Saturday night and faced an image shift problem for the first time in 3 years. Description is below: I had three targets in mind. Horse head, M51 and Pinwheel. The scope to be used was my GSO RC6, camera was my Canon 500D, mount was my HEQ5-PRO guided with PHD and finder guider. I had made sure that there was no drift when the scope pointed Southward near the Celestial Equator. I forgot to check the Eastern Horizon. I setup the exposures and after an hour found that the object had shifted Westward in the frame. No shift North or South, just Westward. Also, time and again the guider seemed to be loosing the star as I could clearly see that the mount was tracking intermittently. The entire night was an absolute waste. Any advice on solving my problem would be greatly appreciated.
Happy new year folks! Long time since my last post. Lately I've been shooting some widefield. Here's my latest shots. Milky way mostly.. Venus sets. Sony A7s + Samyang 14mm ISO 10000 15 secs @f2.8 Old pilot station (is that correct english btw?) Samsung NX1 + Samyang 12mm ISO 320 10minutes (iOptron skytracker) Have a good one! -Thomas