M33 Triangulum Galaxy, Bortle 9, Celestron C6 (Peter Tai)

Celestial hemisphere: Northern · Constellation: Triangulum (Tri) · Contains: IC 132 · M 33 · NGC 595 · NGC 598 · NGC 604 · Triangulum Galaxy · Triangulum Pinwheel

M33 Triangulum Galaxy, Bortle 9, Celestron C6, Peter Tai

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M33 Triangulum Galaxy, Bortle 9, Celestron C6

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M33 Triangulum Galaxy, Bortle 9, Celestron C6

This was captured in broadband over 5 nights in August/Sept of 2023 in Bortle 9 conditions.
Halfway through this time period, I acquired an ASI2600MC Duo camera and switched over to this device, but did not want to lose the use of the data from previous nights on the Canon R6, so combined them in PixInsight.

Canon R6 - 5h20 minutes total integration (5 minute exposures), through a focal reducer at f6.3
ASi2600MCDuo - 5h18 minutes total integration (mix of 1, 2, and 3 minute exposures), at f10

The first 3 nights I used an external guide scope, RMS ~0.70". The later two nights I used internal guiding with the Duo through the C6.

The data on the ASI2600MC Duo at f10 looks better than the data on the Canon R6, I think, so I am not sure how much I gained from mixing the data together.
I'm not entirely sure that my stars as sharp as they could be but can't figure out why. One night my guiding was around 0.3 to 0.4" RMS, but the stars still had an HFR of ~5+ which I don't believe is too great.

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Status	Basic success
Started	...
Astrometry.net job	8441214
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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M33 Triangulum Galaxy, Bortle 9, Celestron C6

M33 Triangulum Galaxy, Bortle 9, Celestron C6

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M33 Triangulum Galaxy, Bortle 9, Celestron C6

M33 Triangulum Galaxy, Bortle 9, Celestron C6

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