M51 & Vicinity LRGB Wide FOV - First Light (Ben Koltenbah)

Celestial hemisphere: Northern · Constellation: Canes Venatici (CVn) · Contains: IC 4263 · IC 4278 · M 51 · NGC 5169 · NGC 5194 · NGC 5195 · NGC 5198 · Whirlpool galaxy

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M51 & Vicinity LRGB Wide FOV - First Light

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M51 & Vicinity LRGB Wide FOV - First Light

This is the Whirlpool Galaxy M51 and vicinity taken with my new Takahashi FSQ-106EDX4, F5, 530mm FL. This is one of five galaxy wide FOV scenes I acquired over two nights. Overall I'm pleased with how this turned out, however I am concerned that stars are not round over the full FOV. This may be due to any number of reasons, hopefully not any flaw with the new scope itself.

I include a crop of the wider FOV to better compose M51 with two of its background neighbors. Given the small number of exposures, the results look fairly decent. I look forward to getting the scope out again at the next opportunity to spend more time on a single target.

Image D is an annotated version that I enjoyed preparing with PI. There is an astounding number of galaxies in the field, most of which are such tiny dots I assumed they were stars, but they are clearly marked with PGC designations.

Original
B
C
D
Final
E

B

Description: Synthetic Luminance

Uploaded: ...

C

Description: Inverted Synthetic Luminance

Uploaded: ...

D

Description: Annotated Luminance

Uploaded: ...

E

Description: Cropped LRGB

Uploaded: ...

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Status	Advanced success
Started	...
Astrometry.net job	1982682
PixInsight job	NS87ZXCLWH308HV8NPYM58N13QPTT6XM
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	13h29m07s.57
RA (top/left)	13h31m12s.77
RA (top/right)	13h26m51s.24
RA (bottom/right)	13h27m04s.37
RA (bottom/left)	13h31m21s.89

Dec (center)	+47°02′13″.9
Dec (top/left)	+47°27′43″.7
Dec (top/right)	+47°26′01″.7
Dec (bottom/right)	+46°36′36″.4
Dec (bottom/left)	+46°38′16″.2

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M51 & Vicinity LRGB Wide FOV - First Light

M51 & Vicinity LRGB Wide FOV - First Light

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M51 & Vicinity LRGB Wide FOV - First Light

M51 & Vicinity LRGB Wide FOV - First Light

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