Sh2-132, Ha (Stephen Garretson)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: 23 eps Cep · B369 · NGC 7235 · PK103+00.1 · PK103+00.2 · RW Cep · Sh2-132 · The star εCep

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Sh2-132, Ha

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Sh2-132, Ha

Here's the start of a projected HOO image, 5 hours of Ha on this target from last night [8/27], the first actually decent night since 8/8. Sh2-132 is a reasonably bright emission nebula in Cepheus, about as bright as parts of the Elephant Trunk. My intent is to double the Ha data to ~10 hours and match this with OIII, but will want to wait on OIII until the Moon is not a factor. Target crossed the meridian a bit past midnight; I didn't want to mix data from both sides of the pier so moved on to another object.

It was such a pleasure to finally get back in the Dome!

The original 5 hours were collected 8/27/20; an additional 5 hours were added 9/1/20 for the current final image.

Also, added Topaz Labs DeNoise AI to processing.

[30] 600s guided subs Ha3.5nm, [30] 600s guided subs Ha7nm

total integration: 10 hours

image capture:

Dual William Optics Star 71 f/4.9 Gen II Petzval Astrographs

Dual ASI ZWO 1600MM cooled cameras at Unity Gain

Dual Starlight Xpress USB filter wheels

Baader 3.5nm and 7nm Ha filters

MicroTouch Motorized focus motors

JTD Dual Rig Alignment Saddle

Paramount MX+

SGP, TheSkyX, SX FW control software, MT control software

guiding:

William Optics WhiteCat f/4.9 Petzval Astrograph

ASI ZWO 290 Mini M guide camera

PHD2 guiding

processing:

PixInsight, Preview

Original
Final
B

WO Star 71
ZWO ASI1600MM/QHY163M

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Status	Advanced success
Started	...
Astrometry.net job	3824159
PixInsight job	4FURQ9VDSKSAUR46D8XQ44P0QT752GXV
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	22h18m34s.58
RA (top/left)	22h27m39s.60
RA (top/right)	22h24m35s.76
RA (bottom/right)	22h08m53s.88
RA (bottom/left)	22h13m02s.27

Dec (center)	+56°08′07″.3
Dec (top/left)	+54°52′57″.6
Dec (top/right)	+57°43′51″.8
Dec (bottom/right)	+57°20′33″.5
Dec (bottom/left)	+54°31′23″.3

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Sh2-132, Ha

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