M63 Halpha and LRGB version -the Sunflower galaxy (Arnaud Peel)

Celestial hemisphere: Northern · Constellation: Canes Venatici (CVn) · Contains: M 63 · NGC 5055 · Sunflower galaxy

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M63 Halpha and LRGB version -the Sunflower galaxy

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M63 Halpha and LRGB version -the Sunflower galaxy

Version LRGB with Halpha : I reworked from the LRGB and remix the Halpha , a lot of work actually to find the right balance of everything. I hope I deliver something you like !

Another very nice and large galaxy of the seaon !

Same process as the last images : for the Light , I selected only 29 subs of the best Fwhm subs (out of 80) and combined them with all the subs to get sharper details and smaller stars

I had also improved my star and halo process

A small Galaxy to the upper right is no detected by the astrometry : UGC8313, is part of the galaxy group of M51 and M63 (wiki)

5 nights were necessary to get the subs: 23/24, 25 27/28, 29, 31 of march

Red 30 subs@180s -20°C gain zero

Blue 30 subs@180s -20°C gain zero

Green 40 subs@180s -20°C gain zero

Light 80 subs@180s -20°C, gain zero

Halpha 97subs@300s -20°C, gain 139

Final
Original
F
G

F

Description: Full Field

Uploaded: ...

G

Description: Zoom Min Square to keep the small galaxy

Uploaded: ...

1- Awarded images - 2019
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Status	Advanced success
Started	...
PixInsight job	6NQ7V0PH3AU2DU34F1AADQ127FT4HY28
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	13h15m40s.933
RA (top/left)	13h17m14s.287
RA (top/right)	13h13m58s.581
RA (bottom/right)	13h14m08s.657
RA (bottom/left)	13h17m22s.508

Dec (center)	+42°02′02″.75
Dec (top/left)	+42°20′54″.45
Dec (top/right)	+42°19′13″.31
Dec (bottom/right)	+41°43′04″.57
Dec (bottom/left)	+41°44′44″.33

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M63 Halpha and LRGB version -the Sunflower galaxy

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M63 Halpha and LRGB version -the Sunflower galaxy

M63 Halpha and LRGB version -the Sunflower galaxy

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