California Nebula, NGC 1499 (astropical)

Celestial hemisphere: Northern · Constellation: Perseus (Per) · Contains: 46 Per) · 46 ksi Per · California Nebula · IC 2005 · IC 2027 · Menkib · NGC 1499 · Perseus · The star Menkib (ξ Per

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California Nebula, NGC 1499

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California Nebula, NGC 1499

This time I binned the IMX178 guidecam 2x2, et voilà, a super SNR and flat guide curve.

In spite of yellow sand pollution, I aimed the Samyang at California (Hi @rdk_CA Rob!) for almost 4 hours as the sky was free of clouds. The sand in the air (CRF, contrast reduction filter) is my excuse for the mediocre quality given the plentiful time I had. Also, the left side of the image attests some tilt while a Bathinov mask is of no real help on the Samyang 135. Anyway, you learn from such mishappens.

Rev B: an wide field image of the Taurus region which I took in parallel on the same mount with a D5500 and 35mm lens, this time stopped at 2.8, which is much better than f/1.8. The next attempt will be at f4 but with longer exposure. No more comet stars then, I suspect. Once the optimum f-stop is found a down step ring will come in place.

Final
Original
B
C

B

Title: Wide Field Taurus

Description: 176 x 60 sec at ISO1600, 35mm lens @f/2.8

Uploaded: ...

C

Title: Annotated Version

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Status	Advanced success
Started	...
Astrometry.net job	8875844
PixInsight job	FIQ8XV81KA2QOGUFTUIM9EQQJ2FMN06U
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	04h02m21s.53
RA (top/left)	04h15m28s.53
RA (top/right)	03h57m52s.45
RA (bottom/right)	03h49m03s.13
RA (bottom/left)	04h06m34s.28

Dec (center)	+36°24′55″.9
Dec (top/left)	+35°46′15″.2
Dec (top/right)	+38°59′21″.3
Dec (bottom/right)	+36°57′47″.0
Dec (bottom/left)	+33°49′35″.2

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California Nebula, NGC 1499

California Nebula, NGC 1499

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California Nebula, NGC 1499

California Nebula, NGC 1499

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