Melotte 15 - HOO and full SHO with RGB stars (OSC) (Morsing)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: HD15522 · HD15557 · HD15558 · HD15570 · HD15629 · IC 1805 · LBN 654 · LBN 655 · LDN 1361 · LDN 1364 · LDN 1366 · LDN 1367 · LDN 1368 · LDN 1369 · Sh2-190

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Melotte 15 - HOO and full SHO with RGB stars (OSC)

Revision title: SHO Re-process with new tools

Powered byPixInsight

Melotte 15 - HOO and full SHO with RGB stars (OSC)

Revision title: SHO Re-process with new tools

This is an 'in between' project, shot over many nights, when waiting for the main target to be up.

I initially shot the L-eXtreme data and thought it looked quite good, but when clear nights kept coming and the moon getting closer to full, there was not much to shoot at, so I decided to just add a whole bunch of SII data to the mix. It is quite interesting to see that the full SHO tricolour image shows more variation across the field of view compared to the HOO version - I kept some of the green in and it was not too overwhelming here and it gives it another dimension. I should mention that I got very similar results with only a quarter of the SII data, so less would probably have been ok, but I had nothing else to shoot at, so I just improve SNR of that channel over a few nights.

Lastly, I shot a few different sets of RGB subs for the stars (5s, 10s and 60s sets), and ended up used the 62 best 60s subs.

Hope you like it!

Original
B
D
Final
E

B

Title: Full SHO w. OSC

Uploaded: ...

D

Title: HOO Re-process with new tools

Uploaded: ...

E

Title: SHO Re-process with new tools

Uploaded: ...

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Status	Advanced success
Started	...
Astrometry.net job	6885237
PixInsight job	2563OPBFNMRAZA8TVIGG1EMDQP11CYU3
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	02h32m53s.24
RA (top/left)	02h27m33s.80
RA (top/right)	02h31m24s.52
RA (bottom/right)	02h38m09s.63
RA (bottom/left)	02h34m25s.63

Dec (center)	+61°27′52″.0
Dec (top/left)	+61°38′17″.3
Dec (top/right)	+60°49′49″.1
Dec (bottom/right)	+61°16′39″.7
Dec (bottom/left)	+62°05′50″.6

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Melotte 15 - HOO and full SHO with RGB stars (OSC)

Revision title: SHO Re-process with new tools

Melotte 15 - HOO and full SHO with RGB stars (OSC)

Revision title: SHO Re-process with new tools

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Melotte 15 - HOO and full SHO with RGB stars (OSC)

Revision title: SHO Re-process with new tools

Melotte 15 - HOO and full SHO with RGB stars (OSC)

Revision title: SHO Re-process with new tools

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