M33 - the pin in the wheel (Tom Gray)

Celestial hemisphere: Northern · Constellation: Triangulum (Tri) · Contains: IC 131 · IC 133 · IC 135 · IC 136 · IC 137 · IC 142 · IC 143 · M 33 · NGC 588 · NGC 592 · NGC 595 · NGC 598 · NGC 604 · Triangulum Galaxy · Triangulum Pinwheel

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M33 - the pin in the wheel

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M33 - the pin in the wheel

I took this image of the core of M33, as this was the only clear area of sky...for 30 minutes before the mist rolled in. Nevertheless I am pleased with the detail achieved with just 26 minutes data (using 1 minute subs). I only had time to collect luminance data using a Meade IR cut filter to reduce star bloat.

Processing was completed in Startools - wipe, gentle contrast, HDR and sharpening. Repair was used to correct stars at the edge of the field, but artefacts remain due to no flat fields being taken. This enormous galaxy requires a great deal more exposure time, under more favourable conditions. Not a great image, but it serves to show what limited time under Bortle 2 skies can deliver.

Original
Final
B

B

Description: Another version with less HDR brightening and more deconvolution. I have adjusted the contrast and black point to bring out the core (the pin) of this magnificent galaxy in our local group.

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UK Astro-Imaging
Altair Astro 183 M/C Hypercams
Schmidt-Cassegrain Telescope (SCT) Imagers

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Status	Advanced success
Started	...
Astrometry.net job	3803957
PixInsight job	3RYTCF4FAMM528C42DKC4ZSJKX0APWBU
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	01h33m42s.16
RA (top/left)	01h32m10s.99
RA (top/right)	01h35m08s.80
RA (bottom/right)	01h35m13s.84
RA (bottom/left)	01h32m15s.24

Dec (center)	+30°39′47″.4
Dec (top/left)	+30°26′08″.9
Dec (top/right)	+30°24′45″.6
Dec (bottom/right)	+30°53′23″.8
Dec (bottom/left)	+30°54′45″.6

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M33 - the pin in the wheel

M33 - the pin in the wheel

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M33 - the pin in the wheel

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