DSI 3 Pro - first night out (Tom Gray)

Celestial hemisphere: Northern · Constellation: Vulpecula (Vul) · Contains: Dumbbell Nebula · HD189733 · M 27 · NGC 6853 · PK060-03.1

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DSI 3 Pro - first night out

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DSI 3 Pro - first night out

I have been fortunate to acquire a 'new to me' DSI III Pro 'high resolution' monochrome camera - when I say 'high' resolution, compared with my DSI IC and DSI IIC OSCs. The DSI III sports a Sony ICX285AL 2/3 mono chip with 6.5 micron square pixels and almost double the FOV of my DSI IIC - huge by comparison!

With cloud imminent, I took the opportunity to try this out on a familiar planetary nebula, M27, at f3 using my Optolong Ha and OIII dual narrow band filter - I am awaiting a set of L(IR)RGB filters. I was pleasantly surprised by this unguided image tracked in Envisage, comprising 30 x 1 minute exposures.

Processed in Startools with mild contrast, moderate HDR brightening and gentle sharpening - I used the life module to lift the nebula from the relatively bright background (still getting 'June' dark, low S/N ratio and taken at 15 Celsius).

I'm delighted with the improved resolution (which should also reduce the under-sampling so obvious in my camera lens images), and the much 'wider' FOV. I'm looking forward to taking my imaging on to the next level, the new features (e.g. 2x2 binning) and flexibility that this camera offers.

It is larger than my previous DSI cameras...I wonder how long before I modify it to take my homemade TEC cooler...just wondering...

Optolong L-eNhance filter
Altair Astro 183 M/C Hypercams
Schmidt-Cassegrain Telescope (SCT) Imagers
UK Astro-Imaging

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Status	Advanced success
Started	...
PixInsight job	LI2MBP25NYZQSK44OMDJNLQWVQ1BXT3P
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	20h00m12s.37
RA (top/left)	19h58m50s.40
RA (top/right)	20h01m34s.78
RA (bottom/right)	20h01m35s.29
RA (bottom/left)	19h58m50s.55

Dec (center)	+22°33′58″.6
Dec (top/left)	+22°20′45″.5
Dec (top/right)	+22°20′24″.7
Dec (bottom/right)	+22°47′09″.3
Dec (bottom/left)	+22°47′23″.1

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DSI 3 Pro - first night out

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