Sh2-122 A Dud in Ha anyway! (Kurt Zeppetello)

Celestial hemisphere: Northern · Constellation: Pegasus (Peg) · Contains: NGC 7509 · Sh2-122

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Sh2-122 A Dud in Ha anyway!

Link: http://astroquest1.blogspot.com/

Powered byPixInsight

Sh2-122 A Dud in Ha anyway!

Link: http://astroquest1.blogspot.com/

If you attempt this, may you have better luck than I.

So this is four hours of total Ha (61 x 4 minutes) with no processing, no flats, no darks. I just wanted to see if it was worth doing in Ha anyway. My results suggest the answer is NO. Selliarium had it listed as an Ha region so I went ahead and tried it since the moon was coming up. I like to try different objects and sometimes you get a gem and others not.

The only image I have seen of this on Astrobin is a 1-hour Ha starless version

Link (https://www.astrobin.com/vigg2s/?nc=collection) from Alexander Zaitsev which looks really good. I checked on the Sharpless Catalog, after imaging, and they said this object does not pick up anything in Ha and recommend LRGB only.

Link

(http://www.sharplesscatalog.com/sharpless/SH2-122.aspx)

I may try Luminosity under good conditions but I am a little discouraged with this object especially since there not many images of this object. It is located in Pegasus very close to Markab.

Imaged with APT
Sharpless2 Objects
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N.I.N.A. Users

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Status	Advanced success
Started	...
Astrometry.net job	3924672
PixInsight job	4QOL042VF2V273PCYY4VFT97M1CY6DZE
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	23h09m48s.68
RA (top/left)	23h07m07s.67
RA (top/right)	23h13m25s.78
RA (bottom/right)	23h12m30s.88
RA (bottom/left)	23h06m10s.78

Dec (center)	+15°01′45″.7
Dec (top/left)	+14°18′10″.7
Dec (top/right)	+14°35′58″.4
Dec (bottom/right)	+15°45′14″.5
Dec (bottom/left)	+15°27′19″.6

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Sh2-122 A Dud in Ha anyway!

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Sh2-122 A Dud in Ha anyway!

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