The Spaghetti Nebula - Simeis 147 / SH2- 240. (Prabhakaran)

Celestial hemisphere: Northern · Constellation: Taurus (Tau) · Contains: 118 Tau · 12.10 · 125 Tau · 26 Aur · 87 Sylvia · LBN 818 · LBN 822 · LBN 826 · LBN 827 · PK178-02.1 · Sh2-240 · Sh2-242 · The star 118Tau · The star 125Tau · The star 26Aur · VdB45

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The Spaghetti Nebula - Simeis 147 / SH2- 240.

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The Spaghetti Nebula - Simeis 147 / SH2- 240.

It's easy to get lost following intricate filaments in this detailed image of faint supernova remnant Simeis 147. Also cataloged as Sharpless 2-240 it goes by the popular nickname, the Spaghetti Nebula. Seen toward the boundary of the constellations Taurus and Auriga, due to its large size and being extremely faint, this target is challenging to photograph. It covers nearly 3 degrees or 6 full moons in the sky. That's about 150 light-years at the stellar debris cloud's estimated distance of 3,000 light-years. This composite includes image data taken through narrow-band filters, enhancing the reddish emission from ionized hydrogen atoms to trace the shocked, glowing gas. The supernova remnant has an estimated age of about 40,000 years, meaning light from the massive stellar explosion first reached Earth 40,000 years ago. But the expanding remnant is not the only aftermath. The cosmic catastrophe also left behind a spinning neutron star or pulsar, all that remains of the original star's core.

ZWO 1600MM Pro(bin 1x1) with ZWO 7nm HO filters
15.09.2020 - Ha 5' x 12

10.01.2021 - Ha 5' x 42
11.01.2021 - OIII 5' x 41
.....................
ZWO 294MM Pro(bin 2x2) with Antlia 3nm HO filters
11.10.2021 - Ha 5' x 21
01.11.2021 - Ha 5' x 27, OIII 5' x 37
09.11.2021 - OIII 5' x 39

Total Ha - 5 minutes x 102

Total O3 - 5 minutes x 117

Total integration time: 18.25 hours with Flats, darks

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Status	Advanced success
Started	...
PixInsight job	GDWXVN4X2RZJ5HYS6NC5NVFHSQL0UVEI
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	05h40m08s.94
RA (top/left)	05h27m15s.19
RA (top/right)	05h29m04s.45
RA (bottom/right)	05h52m12s.75
RA (bottom/left)	05h52m00s.86

Dec (center)	+28°21′31″.4
Dec (top/left)	+31°48′41″.1
Dec (top/right)	+24°40′36″.4
Dec (bottom/right)	+24°49′57″.9
Dec (bottom/left)	+31°58′57″.3

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The Spaghetti Nebula - Simeis 147 / SH2- 240.

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