Sh2-240 in 60 Megapixels, Deep Wide-field Ha (Jim Lindelien)

Celestial hemisphere: Northern · Constellation: Taurus (Tau) · Contains: 13.72 · 136 Tau · 203 Pompeja · PK178-02.1 · PK181+00.1 · Sh2-240 · Sh2-242 · The star 136Tau

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Sh2-240 in 60 Megapixels, Deep Wide-field Ha

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Sh2-240 in 60 Megapixels, Deep Wide-field Ha

The Spaghetti Nebula and its dimmer neighbors (including the very dim planetary Pu 1) as a deep wide-field, imaged over two nights Sept. 22nd and 23rd. Other objects in the field include LBN 827 (DG 84), Czernik 23 and OCL 433.

This was a test session to see how well the ASI6200MM-Pro handles long exposures, and its performance when pushing gain to 200 at 1x1. Star halos are due to residual wildfire smoke and haze, not the equipment. That's nebulosity, not amp glow, in the lower left corner.

I have star quality issues in the corners of this image and await a more precisely adjustable tilt corrector to see how far I can push the quality of a full frame image from this astrograph. Nonetheless this result is very satisfying.

Update: I've posted an HaOIII bi-color version at https://www.astrobin.com/mx1jg6/0/

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Final
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Description: A lower resolution screen capture image highlighting the location of planetary Pu 1.

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Sharpless2 Objects
ASI 6200 MM Pro
WO Star 71
Narrowband imaging

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Status	Advanced success
Started	...
Astrometry.net job	3888033
PixInsight job	V6BAIO108CQ3GW2V5L6KJ3RK36ED9MGF
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	05h41m37s.30
RA (top/left)	05h54m39s.38
RA (top/right)	05h27m38s.20
RA (bottom/right)	05h29m03s.76
RA (bottom/left)	05h55m07s.15

Dec (center)	+28°04′41″.1
Dec (top/left)	+30°09′17″.0
Dec (top/right)	+29°50′20″.6
Dec (bottom/right)	+25°55′31″.6
Dec (bottom/left)	+26°13′51″.8

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Sh2-240 in 60 Megapixels, Deep Wide-field Ha

Sh2-240 in 60 Megapixels, Deep Wide-field Ha

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Sh2-240 in 60 Megapixels, Deep Wide-field Ha

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