My 1st ventures into Tone Mapping. Sh2-170 and IC 410 old data. (Pat Rodgers)

Celestial hemisphere: Northern · Constellation: Auriga (Aur) · Contains: IC 410 · NGC 1893 · Sh2-236

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My 1st ventures into Tone Mapping. Sh2-170 and IC 410 old data.

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My 1st ventures into Tone Mapping. Sh2-170 and IC 410 old data.

Followed the excellent tutorial found here:

http://www.arciereceleste.it/tutorial-pixinsight/cat-tutorial-eng/75-narrowband-color-composition-eng

Rev A: 1st attempt with SH2-170 Something went amiss! Oh well, try again.

Rev B: Got a better grip of the tutorial and made better star masks etc. Still found it hard to remove my large stars as it left the unsightly grey blobs everywhere. Did a harsh de-noise of the SII and OIII data. Happier with the result of my second attempt.

Rev C: Tried my old Tadpole data. Getting better.

B

Description: Getting better.

Uploaded: ...

C

Description: Improving still lots to get right, can see some light down that tunnel :-)

Uploaded: ...

D

Description: Another try at tone mapping. I like the Tulip but not how the background has turned out, given there's 21 hours of data in it.

Uploaded: ...

E

Description: Another attempt at tone mapping the Tulip. Got the Bow shock wave to appear at the right edge. It's caused by a known black hole.

Uploaded: ...

F

Description: Had another go at tonemapping. Still struggling to remove the 5 larger stars, but did better at clone stamping them out and a large blur afterwards. The blurring of the noisy SII and OIII has helped produce a smoother background than previous efforts.

Uploaded: ...

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Status	Advanced success
Started	...
Astrometry.net job	2056988
PixInsight job	CSCLRDSTYDJ9FA1AZZ6ISM84UH83FYP0
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	05h22m37s.21
RA (top/left)	05h21m50s.95
RA (top/right)	05h24m00s.82
RA (bottom/right)	05h23m23s.13
RA (bottom/left)	05h21m13s.76

Dec (center)	+33°27′54″.6
Dec (top/left)	+33°43′21″.3
Dec (top/right)	+33°33′08″.5
Dec (bottom/right)	+33°12′27″.3
Dec (bottom/left)	+33°22′37″.5

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My 1st ventures into Tone Mapping. Sh2-170 and IC 410 old data.

My 1st ventures into Tone Mapping. Sh2-170 and IC 410 old data.

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My 1st ventures into Tone Mapping. Sh2-170 and IC 410 old data.

My 1st ventures into Tone Mapping. Sh2-170 and IC 410 old data.

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