ngc2359 (Thor's Helmet nebula) SHO_RGB (*philippe Gilberton)

Celestial hemisphere: Southern · Constellation: Canis Major (CMa) · Contains: HD56273 · HD56334 · HD56366 · HD56500 · HD56501 · HD56525 · HD56547 · HD56548 · HD56574 · HD56594 · HD56595 · HD56596 · HD56597 · HD56676 · HD56771 · HD56772 · HD56802 · HD56803 · HD56829 · HD56830 · HD56831 · HD56950 · HD56970 · HD57008 · HD57009 · HD57027 · HD57057 · HD57083 · HD57084 · HD57116 · And 10 more.

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ngc2359 (Thor's Helmet nebula) SHO_RGB

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ngc2359 (Thor's Helmet nebula) SHO_RGB

ngc2359 also named as Thor's helmet nebula captured in SHO and RGB for star color purpose. Luminance layer is a combination of SHO monochrome layer. That's my first SHO session I performed with my quiet new SHO filter bank 6nm from Astronomiks. That was challenging as it was full moon but in the mean time I was curious to know how it worked out under such condition. I am not that disappointed with the result. The object is 25° low on altitude so not so good for sky transparency. I limited as much as possible exposure duration to 60s to minimize full moon impact. To be noticed that the contribution of SII layer is weak and accentuated by the fact that I was only able to capture 75 mn. Something to improve on next winter.

Original
B
C
Final
E
F

B

Description: Ls_HOO_RGB revision

Uploaded: ...

C

Description: revision reprocessed from scratch thanks to RC astro Xterminator bundle and ghs process from PI. I also improved SHO color balance and added stars get from synthetic luminance layer

Uploaded: ...

E

Description: revision with essentially better star processing

Uploaded: ...

F

Description: revision with same enhancement but in a different color mixing: S+H_H+O_O

Uploaded: ...

ZWO ASI1600MM/QHY163M
Astrophotographes (France)
Narrowband imaging

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Status	Advanced success
Started	...
Astrometry.net job	9537552
PixInsight job	2ADZVDMY4MEH68DCCGAIZLWF6GEO4IW2
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	07h18m25s.18
RA (top/left)	07h15m45s.92
RA (top/right)	07h16m01s.42
RA (bottom/right)	07h21m05s.50
RA (bottom/left)	07h20m47s.90

Dec (center)	-13°13′24″.0
Dec (top/left)	-12°23′02″.6
Dec (top/right)	-14°06′24″.9
Dec (bottom/right)	-14°03′34″.1
Dec (bottom/left)	-12°20′17″.5

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ngc2359 (Thor's Helmet nebula) SHO_RGB

ngc2359 (Thor's Helmet nebula) SHO_RGB

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ngc2359 (Thor's Helmet nebula) SHO_RGB

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