Sh2-115 & Sh2-112, Ha and HOO (Stephen Garretson)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: HD196018 · HD196090 · HD196178 · HD196196 · LBN 337 · LBN 351 · LBN 357 · LBN 358 · LBN 362 · Sh2-112 · Sh2-115

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Sh2-115 & Sh2-112, Ha and HOO

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Sh2-115 & Sh2-112, Ha and HOO

Here are a couple Sharpless objects in Cygnus shown in Ha and HOO. I imaged these back in 2020 with a pair of WO Star 71/ASI 1600 MM image trains. So this FOV is smaller. There is beautiful Ha structure out of the field on the left , hardly surprising for Cygnus; it is worth an image all its own, which may go on the list. Anyway, better equipment and processing this time. This is the full field of the WO FLT 132s/ASI 2600MM Pros minus minimal edge cropping; the Optec Libra aimers allow for almost exact matching of the two scopes' FOVs. The Moon is now past 1st quarter, so I may wait to gather OIII and possibly SII. Maybe time for Ha of the above mentioned area to the left of the FOV.

Ha Image:
[24] 600s guided Ha subs
total integration: 4 hours

HOO Image:
[24] 600s guided Ha subs
[24] 60018guided OIII subs
total integration: 7 hours

each scope/image train has the following:
capture:
William Optics FLT 132 APO with 0.8x flattener/reducer, runs at f/5.6 w/ effective focal length of 740mm
ASI 2600MM Pro
Gerd Neumann Camera Tilt Adjuster
ZWO EFW
Chroma 3nm narrowband filters
MicroTouch focus motor
Optec Libra Alt-Az Adjustment Base

guiding:
William Optics 50x200 Guidescope
ASI 290MM Mini

Paramount MX+

TheSkyX, SGP, PHD2
PixInsight, Mac OS Photos, Preview

from the Beevo Dome

...Stephen

Original
Final
B

The refractors!

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Status	Advanced success
Started	...
Astrometry.net job	9940576
PixInsight job	NU9UZG95974LGLR322VWZEOP1G1ZKY72
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	20h34m58s.40
RA (top/left)	20h31m19s.45
RA (top/right)	20h31m46s.14
RA (bottom/right)	20h38m30s.54
RA (bottom/left)	20h38m17s.90

Dec (center)	+46°24′09″.10
Dec (top/left)	+47°16′00″.9
Dec (top/right)	+45°29′47″.6
Dec (bottom/right)	+45°31′59″.9
Dec (bottom/left)	+47°18′18″.8

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Sh2-115 & Sh2-112, Ha and HOO

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