Widefield Test with the New Tak FSQ-85 EDX QB0.73X Reducer for a Full Frame Camera (Bruce Donzanti)

Celestial hemisphere: Northern · Constellation: Auriga (Aur) · Contains: 14 Aur · 16 Aur · 17 AR Aur · 18 Aur · 19 Aur · 24 Aur · 24 phi Aur · 25 Aur · 25 chi Aur · AE Aur · B222 · Flaming Star Nebula · HD241703 · HD32633 · HD33062 · HD33217 · HD33269 · HD33299 · HD33334 · HD33427 · HD33503 · HD33862 · HD34030 · HD34452 · HD34477 · HD34590 · HD34761 · HD34905 · HD35032 · HD35132 · And 60 more.

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Widefield Test with the New Tak FSQ-85 EDX QB0.73X Reducer for a Full Frame Camera

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Widefield Test with the New Tak FSQ-85 EDX QB0.73X Reducer for a Full Frame Camera

This is an initial test of the new QB 0.73X reducer for the Takahashi FSQ-85 EDX (Baby-Q) which reduces the focal length from 450 (f/5.4) to 330mm (f/3.9). It is specifically designed for use with a full frame camera, which is what I use on this scope. I recently posted this in the forum (here) but decided to post it here as well. I was pleased with the initial result, especially since the data were collected during thin cloud coverage. In addition to this much wider FOV, I was also curious to see if this widefield would preserve decent star structure, even out to the corners. After two evenings of fiddling with the backfocus and the dreaded tilt of the ASI6200, I managed to get what I think is an acceptable (but by no means perfect) result.

I love these wide views (despite my bad framing of this one in trying to dodge the clouds) as this image contains over 22,000 stars, with several interesting objects such as the Flaming Star and Tadpole nebulae, and the open cluster M38, among other structures. It compliments my C11" EdgeHD @ f/10 with the ASI2600 very well for close-up images.

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Deep Sky Northern Hemisphere
3nm Narrowbanding filters
Takahashi FSQ 85 EDX
Light Polluted skies
Very Wide Field
ASI 6200 MM Pro
The refractors!
CMOS Imagers
Broadband under Bortle 7/8/9
Imaged with N.I.N.A.
Florida / Georgia Imagers
Narrowband imaging
Takahashi Refractors
Suburban Astrophotography

A Collection of Recent and Favorite Images
Takahashi FSQ-85EDX Petzval Quadruplet

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Status	Advanced success
Started	...
Astrometry.net job	9077312
PixInsight job	WSMGJOFJCKBB0C0N16Q6L5LYJWGMGGVA
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	05h20m02s.77
RA (top/left)	05h30m55s.61
RA (top/right)	05h02m40s.95
RA (bottom/right)	05h09m52s.29
RA (bottom/left)	05h37m02s.77

Dec (center)	+33°21′58″.3
Dec (top/left)	+36°18′49″.8
Dec (top/right)	+34°10′51″.2
Dec (bottom/right)	+30°22′05″.8
Dec (bottom/left)	+32°24′26″.5

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Widefield Test with the New Tak FSQ-85 EDX QB0.73X Reducer for a Full Frame Camera

Widefield Test with the New Tak FSQ-85 EDX QB0.73X Reducer for a Full Frame Camera

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Widefield Test with the New Tak FSQ-85 EDX QB0.73X Reducer for a Full Frame Camera

Widefield Test with the New Tak FSQ-85 EDX QB0.73X Reducer for a Full Frame Camera

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