A dusty NGC 225, NGC 146, NGC 133 and NGC 136 alongside a sprinkling of Ha (Lee)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: 15 Cas · 15 kap Cas · LDN 1285 · LDN 1287 · LDN 1291 · LDN 1293 · LDN 1294 · LDN 1297 · LDN 1301 · LDN 1302 · NGC 133 · NGC 136 · NGC 146 · NGC 225 · PGC 2631101 · PGC 2796332 · PGC 2796353 · PGC 2796358 · PGC 2796378 · PK121+00.1 · Sh2-177 · Sh2-179 · Sh2-180 · The star κ Cas · VdB4

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A dusty NGC 225, NGC 146, NGC 133 and NGC 136 alongside a sprinkling of Ha

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A dusty NGC 225, NGC 146, NGC 133 and NGC 136 alongside a sprinkling of Ha

Taken across three rare, moon free nights in early November this has been a seriously new type of processing for me. Continually questioning how far I was willing to push the data! While I appreciate this is likely pushed beyond what the data should realistically handle, it seemed the only way to emphasise the dust spread throughout this area and bring the image to life. Without star extraction and NoiseXTerminator, I'm not sure this would have been possible - certainly not in my hands.

Even with double or triple the data I think my skies (Bortle 6/5) will always be a challenge for dark, dusty stuff. I whittled down around 13 hours of original data into the best ~10 hours.

I hope you can find something to enjoy across the frame that includes four NGC star clusters and three Sharpless objects - the biggest being SH2-177 on the right and the smallest being Sh2-179 (a planetary nebula). Some dedicated Ha could have really brought the Sharpless objects alive - maybe another day when I have that possible with the scope and equipment.

Thanks for looking.

Captured with NINA, pre-processed in APP and processed in PixInsight.

Takahashi Epsilons
UK Astro-Imaging

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Status	Advanced success
Started	...
Astrometry.net job	8786750
PixInsight job	B7ZYDSPXNAWQLMQZUNO6RUNT9JZ8M3RM
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	00h38m03s.56
RA (top/left)	00h51m37s.11
RA (top/right)	00h23m50s.77
RA (bottom/right)	00h25m27s.68
RA (bottom/left)	00h51m22s.75

Dec (center)	+62°27′29″.2
Dec (top/left)	+63°30′19″.3
Dec (top/right)	+63°22′46″.10
Dec (bottom/right)	+61°20′05″.7
Dec (bottom/left)	+61°27′08″.4

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A dusty NGC 225, NGC 146, NGC 133 and NGC 136 alongside a sprinkling of Ha

A dusty NGC 225, NGC 146, NGC 133 and NGC 136 alongside a sprinkling of Ha

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A dusty NGC 225, NGC 146, NGC 133 and NGC 136 alongside a sprinkling of Ha

A dusty NGC 225, NGC 146, NGC 133 and NGC 136 alongside a sprinkling of Ha

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