NEW DISCOVERY: Patchick-Strottner-Drechsler 3 in Andromeda (Markus Blauensteiner)

Celestial hemisphere: Northern · Constellation: Andromeda (And)

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NEW DISCOVERY: Patchick-Strottner-Drechsler 3 in Andromeda

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NEW DISCOVERY: Patchick-Strottner-Drechsler 3 in Andromeda

NEW DISCOVERY: Patchick-Strottner-Drechsler 3 (PaStDr 3) in Andromeda

Coordinates: 01:19:28.88 +49:01:09.38
Constellation: Andromeda
Size: 12 arcminutes

Patchick-Strottner-Drechsler 3 (PaStDr3 / PNG 127.6-13.5) is a probable planetary nebula around a particularly hot subdwarf (subgroup of white dwarfs)
in the constellation Andromeda, discovered in 2020 by the French-German-American team of Dana Patchick, Xavier Strottner, and Marcel Drechsler.
Unusual for a planetary nebula is the absence of [OIII], however this object could be a rare H-alpha-[NII] - PN, as also revealed by the spectrum already taken
by Pascal le Dû. More information about PaStDr3: [url=http:// http://202.189.117.101:8999/gpne/objectInfoPage.php?id=32788]PaStDr 3[/url]

Exposure data:

250 mm Lacerta Newton, f/4
SX Trius 694 CCD, Baader Ha, LRGB filter
10micron GM2000 HPS II mount
own remote observatory in southern France

Ha 79x10 min, RGB 24x5 min each, total 19 h exposure time

Data acquired remotely using CCD Commander
Image acquisition and pre-processing by Markus Blauensteiner
The great image editing was done by @Marcel Drechsler

Data of the central hot star:
Hot subdwarf (GALEX J011928.8+490109)
Magnitude: 13.5474
arallax: 1.2755
Mean distance: 768 parsecs
FUV : 13.057 NUV : 12.984 (fuv-nuv = + 0.11)
pm : RA 3.319 / DEC -5.159
temperature : 43720 K (2017 subdwarf catalog)

Sony 694 Images
First on Astrobin
Planetary Nebulae
Astrophotographes (France)

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Status	Advanced success
Started	...
Astrometry.net job	4957140
PixInsight job	LOP1I0E8GZACTLB436BD4OMI8XVHJZ7C
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	01h19m32s.198
RA (top/left)	01h21m38s.386
RA (top/right)	01h17m23s.406
RA (bottom/right)	01h17m27s.449
RA (bottom/left)	01h21m39s.665

Dec (center)	+49°00′59″.99
Dec (top/left)	+49°18′03″.90
Dec (top/right)	+49°17′32″.68
Dec (bottom/right)	+48°43′45″.14
Dec (bottom/left)	+48°44′17″.25

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NEW DISCOVERY: Patchick-Strottner-Drechsler 3 in Andromeda

NEW DISCOVERY: Patchick-Strottner-Drechsler 3 in Andromeda

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NEW DISCOVERY: Patchick-Strottner-Drechsler 3 in Andromeda

NEW DISCOVERY: Patchick-Strottner-Drechsler 3 in Andromeda

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