IC1805 Heart & IC1795 Fish-head nebulas (Luke)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: HD13734 · HD13757 · HD13864 · HD14061 · HD14328 · HD14441 · HD14510 · HD14552 · HD14558 · HD14695 · HD14794 · HD14817 · HD15022 · HD15069 · HD15238 · HD15239 · HD15250 · HD15382 · HD15522 · HD15557 · HD15558 · HD15570 · HD15629 · HD15665 · HD15785 · HD15851 · HD16088 · HD16183 · HD16218 · HD16349 · And 53 more.

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IC1805 Heart & IC1795 Fish-head nebulas

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IC1805 Heart & IC1795 Fish-head nebulas

Combination of the Altair Ha/Oiii and Sii/Oiii filters.

Started collecting on the CEM25P, now sold and finished collecting with the CEM25EC (will be sold) - I have a GEM28 now for a heavier setup.

Processed in PI - I combine all of the Oiii subs using a WBPP trick (custom filter), but it requires 2 runs of WBPP.

RUN1.
1. Load all files from both filters. Make sure calibration is correct.
2. From Post-Calibration tab select 'separate RGB' and only select R channel.
3. Let WBPP do its thing.
4. You will have 2x Master Light files of R channel - 1x HaOiii and 1x SiiOiii
RUN2.
1. All the files should still be there with calibration. You need to remove them all (click Clear)
2. Click 'Add Custom' from the bottom options. Click Add Files and add ALL your HaOiii and SiiOiii files. Set Image type as Light, set Filter name as anything (I call it OiiiOiii) and set your correct Binning and Exposure. Click OK.
2. From Post-Calibration tab select 'separate RGB' and only select G channel (personally I dont value the B channel as I believe any Oiii in here is also in G)
3. From Registration Reference box on the right hand side, select either your Master Light HaOiii or SiOiii file from RUN1.
4. Let WBPP do its thing
PS - I always run with Drizzle 1x. , so you will end up with a _drizzle master for each as well. I delete the other Master Light files from the folder and work from these 3. (I rename accordingly - MasterLight_300s_Ha , MasterLight_300s_Oiii and MasterLight_300s_Sii)
Depending on how WBPP creates your star alignment, you may need to do another run of 2 of these against the 3rd, combine these, crop as necessary. then channel extract and save these 3 as the your files to then keep as the master files.

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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
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Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
Early dismissal Staff members have a lot of images to inspect on a daily basis, and they can dismiss images if they believe they don't meet the requirements for IOTD/TP selection. If an image is dismissed 5 times, it's removed from the process. This streamlines the process and ensures that any bias present in promotions could be overruled by other staff members.

Status	Advanced success
Started	...
Astrometry.net job	9253661
PixInsight job	XGOAA3W029DRUOCBERNYO8B0RCG9WR7I
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	02h32m27s.40
RA (top/left)	02h50m29s.85
RA (top/right)	02h18m48s.39
RA (bottom/right)	02h15m20s.21
RA (bottom/left)	02h44m43s.90

Dec (center)	+61°31′47″.7
Dec (top/left)	+62°16′50″.8
Dec (top/right)	+63°07′56″.5
Dec (bottom/right)	+60°38′17″.9
Dec (bottom/left)	+59°50′58″.8

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IC1805 Heart & IC1795 Fish-head nebulas

IC1805 Heart & IC1795 Fish-head nebulas

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IC1805 Heart & IC1795 Fish-head nebulas

IC1805 Heart & IC1795 Fish-head nebulas

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