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Leo triplet reprocessed
 
© D Elijah
Credit D Elijah

Leo triplet reprocessed

spaceman_spiff
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Imaging date: 23/03/2017. Reprocessing date 26/09/2017.

Optics and camera: Skywatcher Evostar 120 F/D=8.33 (Achromat) with a Baader UHCs filter (for removing light pollution). The camera was a IR-filter removed Canon 600D.

Settings: 18 x 3 minute lights, 50 darks from library, 50 flats taken recently and 50 bias frames. ISO 800.

Mount: Skywatcher AZ-EQ6 with extension pillar.

Processing: The data was reprocessed with PI and then GIMP. In this case, the final result produced by DSS and PI was similar apart from PI's background extractor which really helps flatten the image and remove residual LP. The calibration and registration performance looked similar, perhaps the small number of lights limits what software can do.

Credit

D Elijah

Copyright

© D Elijah
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