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When I used my DSLR i had a light box and set my Canon 400d to AV and plonked the light box on top and shot of 20 flats. Seemed to be OK. Then came the QHY-9 and I have no idea what I am doing. Two nights ago I was shooting through my W/O 70 and took by flats by pointing the scope at my other laptop and using VIRTUAL LIGHT BOX (google it) but for me to get the histogram between 1/3 and half way up from the left hand side I was doing 8 second shots which seems rediculous. If any of this helps I hope so and if any one can tell me if 8 seconds is rediculous that would be good too.
Mark
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