Celestial hemisphere:  Northern  ·  Constellation: Perseus (Per)  ·  Contains:  46 ksi Per  ·  California Nebula  ·  IC 2005  ·  LBN 752  ·  LBN 756  ·  LDN 1456  ·  LDN 1462  ·  LDN 1463  ·  LDN 1464  ·  LDN 1469  ·  Menkib  ·  NGC 1499  ·  Sh2-220  ·  The star ξPer
California nebula - NGC 1499, RammaN
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California nebula - NGC 1499

California nebula - NGC 1499, RammaN
Powered byPixInsight

California nebula - NGC 1499

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Description

Re imaged this target with better seeing and a different approach to integration time. I took shorter images with the astronomik 6nm ha, longer with baader ultra nb oiii 4nm, and sii. I varied the times between filters and tried to match mean ADU in each of the images. This resulted in a much better images and easier processing. I then used atrous wavelets and a starmask to reduce star sizes so all of the large stars matched in size. this helped eliminate the halo issue I was having. Still a beginner with narrowband imaging but learning new techniques all of the time!
ha200sec x 20
oiii 280sec x 40
sii 240sec x 30
asi294mm, zenithstar73, gem45, pixinsight

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California nebula - NGC 1499, RammaN