California Nebula (Alex Ranous)

Celestial hemisphere: Northern · Constellation: Perseus (Per) · Contains: 46 Per) · 46 ksi Per · California Nebula · HD24747 · HD25152 · IC 2005 · IC 2027 · LBN 752 · LBN 756 · LDN 1456 · LDN 1462 · LDN 1463 · LDN 1464 · LDN 1469 · Menkib · NGC 1499 · Sh2-220 · The star Menkib (ξ Per

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California Nebula

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California Nebula

I imaged the California Nebula last year, but with my field of view, it's somewhat cropped. As a resident of CA, I wanted a fuller version, so this year I did a 2 panel mosaic. I had some issues with the fourth mag star Menkib causing some starburst rays with my OIII filter. I ended up bringing a starless OIII into Affinity Photo and used the content aware fill to nuke them. As there isn't any real structure in the OIII data, this worked pretty seamlessly. I don't know why my OIII does this. Most people complain about halos around bright stars, but my filter has asymmetric rays, similar to what a Bahtinov mask produces.

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Status	Advanced success
Started	...
Astrometry.net job	6653562
PixInsight job	RABBMJN2EN64TP3EVP2Y7CDU90V257C9
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	04h00m08s.25
RA (top/left)	03h53m06s.17
RA (top/right)	03h53m21s.00
RA (bottom/right)	04h06m58s.47
RA (bottom/left)	04h07m07s.36

Dec (center)	+36°18′40″.2
Dec (top/left)	+37°24′19″.3
Dec (top/right)	+35°10′45″.0
Dec (bottom/right)	+35°11′29″.6
Dec (bottom/left)	+37°25′06″.3

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California Nebula

California Nebula

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California Nebula

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