halpha and O3

halpha and O3

Optolong LExteme filter. Cuts out most light pollution, as well as most galaxy light - mostly for some nebulas. My hope is to combine this data with the larger spectum images; just haven't gotten that to work yet!

Custom Data

Camera: ZWO ASI294mc
Gain: 150
offset: 15
binning: 2
Date: 2022-01-01
Exposure: 180seconds

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