Leo 1 Dwarf Galaxy (Jim Lindelien)

Celestial hemisphere: Northern · Constellation: Leo (Leo) · Contains: 32 alf Leo · IC 591 · Regulus · The star Regulus (αLeo)

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Leo 1 Dwarf Galaxy

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Leo 1 Dwarf Galaxy

The Leo 1 dwarf galaxy near Regulus, aka UGC5470.

Rather than dressing the RASA's front-mounted camera's data and power cables in an arc I've installed vanes in a dew shield to attach them to, for that classic reflector diffraction look.

But as is usually done the vanes align parallel to the RA and DEC axes. In the case of Leo 1 and Regulus, this puts a Regulus diffraction flare directly across Leo 1.

Thus, for this image, I rotated the dew shield and vanes 45 degrees to better reveal the dwarf.

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FOV is a central crop from the 2x drizzle stack. Lacking a full range of HDR exposure times, the rendering of the final appearance of Regulus, its flares, the dwarf, the star fields large and small, and the background galaxies, required preparing over a dozen various masks in PI.

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Celestron RASA
The OSC Club (One Shot Camera)
CMOS Imagers
Cooled Color Cams

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Status	Advanced success
Started	...
Astrometry.net job	4410585
PixInsight job	XXYAXHSTEJQCZKK4UVA0248UTNZO49ZS
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	10h08m47s.809
RA (top/left)	10h07m58s.107
RA (top/right)	10h11m17s.198
RA (bottom/right)	10h09m37s.692
RA (bottom/left)	10h06m18s.410

Dec (center)	+12°10′58″.80
Dec (top/left)	+11°36′31″.81
Dec (top/right)	+12°11′47″.37
Dec (bottom/right)	+12°45′25″.89
Dec (bottom/left)	+12°10′05″.63

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