IC417 Spider Nebula (LHa)(HaR)GB - getting back into the saddle.... (Pam Whitfield)

Celestial hemisphere: Northern · Constellation: Auriga (Aur) · Contains: 24 phi Aur · IC 417 · LBN 804 · LBN 810 · LDN 1526 · NGC 1931 · Sh2-234 · Sh2-237 · The star φAur

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IC417 Spider Nebula (LHa)(HaR)GB - getting back into the saddle....

Revision title: Pixinsight blending mashup

Powered byPixInsight

IC417 Spider Nebula (LHa)(HaR)GB - getting back into the saddle....

Revision title: Pixinsight blending mashup

I got the OK to lift stuff again so I can get back to imaging again!

This data was taken as a contribution to the Astrobiscuit BAT (Big Amateur Telescope) https://www.astrobiscuit.com/the-big-amateur-telescope on the Spider and Fly Nebulae but is mine alone for the moment. Hopefully I'll get to add to it in the following weeks but while playing with Starnet2 and figuring out how to combine the channels something fairly pleasing to the eye came out of the mix. Until I finalize the data I won't sweat over the star halos too much for the time being

Prior experience in 2019 showed little gain from Oiii so I'm going to get quite a bit of practice at this combination!

Original
C
D
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Final
F

C

Title: Starless Ha

Uploaded: ...

D

Description: Reprocessed using a different worksflow, adding in some Lum data I left out before. The worst of the blue channel halos were given some attention. Photometric star calibration made for a bit of a boring image on this one so the blue is boosted a little more than it should be for reality...

Uploaded: ...

E

Description: changed my mind - the star-calibrated version looks better in the light of a new day....

Uploaded: ...

F

Title: Pixinsight blending mashup

Description: My mount failed last night so no Sii data to add to this :-(
Instead I've improvised to get a touch of colour in the core nebulosity by blending in starless G and B data.
I'm slowly getting the hang of the PI noise reduction and balancing the foreground and starfield noise levels....
The nebula is very red but given the lack of Oiii in the objects it's not too far off reality...

Uploaded: ...

UK Astro-Imaging
KODAK 8300 sensor
QHY Users Group
Women Astrophotographers
Yorkshire Astro Imaging

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Status	Advanced success
Started	...
Astrometry.net job	5473756
PixInsight job	WR2FY48K0HGSHB5V9T3PNLO0755NSNU6
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	05h29m12s.26
RA (top/left)	05h32m46s.40
RA (top/right)	05h24m15s.60
RA (bottom/right)	05h25m42s.21
RA (bottom/left)	05h34m05s.50

Dec (center)	+34°23′31″.7
Dec (top/left)	+35°12′51″.0
Dec (top/right)	+34°48′41″.7
Dec (bottom/right)	+33°33′52″.1
Dec (bottom/left)	+33°57′39″.1

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IC417 Spider Nebula (LHa)(HaR)GB - getting back into the saddle....

Revision title: Pixinsight blending mashup

IC417 Spider Nebula (LHa)(HaR)GB - getting back into the saddle....

Revision title: Pixinsight blending mashup

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IC417 Spider Nebula (LHa)(HaR)GB - getting back into the saddle....

Revision title: Pixinsight blending mashup

IC417 Spider Nebula (LHa)(HaR)GB - getting back into the saddle....

Revision title: Pixinsight blending mashup

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