10 feb 2025

2403 streaks

 No idea. 67 frames. Frames 1 to 41 had a diagonal pattern (note PA was 45º). Impossible to process properly.


Fighting the dark artefacts, all 67 frames process to a not very nice...

galaxy ngc2403 in cameleopardalis
atr53c on gso203    67x4min @ hcg100

The strange bit is that the final frames from 42 to 67 are streak free:


Which is a doddle to process and get something a bit decent...

the 25 final frames

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