Ngc1499 California Nebula

Description

The California nebula, a glowing emission nebula excited by the nearby energetic star Xi Persei. Captured with an optolong dual-band filter split into Ha and OIII by astropixelprocessor for separate processing. I went with a RGB mix which was Ha:70%OIII & 30%Ha:OIII giving the gold tint rather than the more realistic Ha red.



Williams Optics Redcat 250mm f/4.9

Heq5 mount

Optolong dual-band L-extreme filter (Ha & OIII)

109x2m frames for a ~3.16h exposure time with ZWO ASI533mc

Processed with Astropixelprocessor, Pixinsight, and Photoshop

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Mark Cheverton

Mark Cheverton

Sharing my exploration of deep sky astrophotography from my backyard in Cambridge UK.

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Taken At Sun, Mar 21, 2021 11:08 AM

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