California Nebula close up (Göran Nilsson)

Celestial hemisphere: Northern · Constellation: Perseus (Per) · Contains: 46 Per) · 46 ksi Per · California Nebula · IC 2005 · LBN 752 · LBN 756 · LDN 1456 · LDN 1462 · LDN 1463 · LDN 1464 · LDN 1469 · Menkib · NGC 1499 · PGC 14142 · PGC 14276 · PGC 14280 · PGC 14455 · PGC 213258 · PGC 213259 · PGC 2820486 · PGC 90698 · PGC 97028 · Sh2-220 · The star Menkib (ξ Per

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California Nebula close up

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California Nebula close up

If one can talk about a close up when using a RASA at 400 mm folcal length. But this nebula is just so very big and this was not a planned shot. I aimed at it out of frustration when I realized that the moon was just next to my planned target for the night. Great thing is that it is very bright so a lot of detail came through even with a nearly full moon. The NBZ filter of course helped, so this is a HaOiii image.

To me it looks like there is a big dark nebula protruding into the Ha from the left. I had not noticed that in other images of the California nebula.

"Nordish by nature"
ZWO ASI 2600MC PRO
CMOS Imagers
Hydrogen and Oxygen Narrowband Only!
The OSC Club (One Shot Camera)
Cooled Color Cams
Celestron RASA

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Status	Advanced success
Started	...
Astrometry.net job	7108749
PixInsight job	ODWD759UYQ9BCLNY1SJNR3K9NJX6HF5K
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	04h00m25s.63
RA (top/left)	03h53m34s.49
RA (top/right)	03h55m17s.80
RA (bottom/right)	04h06m59s.80
RA (bottom/left)	04h05m49s.36

Dec (center)	+36°24′06″.9
Dec (top/left)	+38°03′10″.9
Dec (top/right)	+34°32′05″.5
Dec (bottom/right)	+34°43′40″.6
Dec (bottom/left)	+38°15′21″.10

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California Nebula close up

California Nebula close up

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California Nebula close up

California Nebula close up

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