Heart and Soul Bi-Color 3-Panel Mosaic (Jim Lindelien)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: IC 1795 · IC 1805 · IC 1824 · IC 1831 · IC 1848 · IC 1871 · NGC 1027 · NGC 896 · Sh2-190 · Sh2-191 · Sh2-192 · Sh2-193 · Sh2-194 · Sh2-195 · Sh2-196 · Sh2-197 · Sh2-198 · Sh2-199 · Sh2-201

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Heart and Soul Bi-Color 3-Panel Mosaic

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Heart and Soul Bi-Color 3-Panel Mosaic

This is a three panel wide field mosaic imaged as ~128 deep raw stacks over two nights. To avoid two more nights of imaging, I used a dual narrow band filter to capture Ha and OIII simultaneously at 10nm passband each onto the OSC camera.

To boost the chances that the noise statistics of the individual panel stacks of the mosaic would blend well, I imaged ~64 raws of all three panels on each of the nights to spread atmospheric effects more evenly over the full mosaic. Luckily the two nights' skies were very similar.

Most exposures were unguided. I had tried adding a guide scope on the top dovetail on the RASA but found that this caused worse guiding than letting the mount run unguided.

Each panel was drizzle integrated at 2x, and the final mosaic cropped and down-sampled to a final sharpness of FWHM ~3px , preserving the ability to zoom into the nebular details while limiting file size.

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The OSC Club (One Shot Camera)
Cooled Color Cams
Deep Sky Mosaics
Celestron RASA
Duo-band, Tri-band, and Quad-band Imaging

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Status	Advanced success
Started	...
Astrometry.net job	3638120
PixInsight job	6Z7BDNI5R75N5IAPER6WJ1QWIYING4A1
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	02h43m11s.78
RA (top/left)	02h21m57s.68
RA (top/right)	03h04m18s.60
RA (bottom/right)	03h06m41s.37
RA (bottom/left)	02h19m48s.57

Dec (center)	+61°14′49″.4
Dec (top/left)	+59°32′06″.8
Dec (top/right)	+59°30′47″.8
Dec (bottom/right)	+62°43′46″.5
Dec (bottom/left)	+62°45′24″.0

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Heart and Soul Bi-Color 3-Panel Mosaic

Heart and Soul Bi-Color 3-Panel Mosaic

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Heart and Soul Bi-Color 3-Panel Mosaic

Heart and Soul Bi-Color 3-Panel Mosaic

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