Sh2-263 (Göran Nilsson)

Celestial hemisphere: Northern · Constellation: Orion (Ori) · Contains: B223 · LBN 866 · LBN 867 · LBN 869 · LBN 871 · LBN 872 · LDN 1588 · LDN 1589 · LDN 1590 · NGC 1875 · PGC 1305067 · PGC 1306245 · PGC 1309266 · PGC 1356150 · PGC 1365295 · PGC 142816 · PGC 165427 · PGC 17044 · PGC 17048 · PGC 17053 · PGC 17121 · PGC 17143 · PGC 17281 · PGC 213312 · PGC 2793663 · PGC 3098068 · PGC 3098194 · PGC 75333 · PGC 75335 · PGC 75336 · And 9 more.

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Sh2-263

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Sh2-263

Sh2-263 is a Ha emission nebula and vdB 38 on top and around Sh2-263 is a blue reflection nebula. Fortunately the NBZ filter is quite good at also picking up blue reflection and not only Oiii. While processing the image I noticed what looks like a small blue planetary nebula near the top edge of the image (at 10 o´clock from Sh2-263). Simbad has it registered as a PN candidate called PN Ga1.

I am back at my obsy in Sweden after a month in Australia, and this is my first image from 2023. In Australia, Orion was almost straight up and back here Orion is still high enough during the first half of the night for me to give some of the jewels there a go.

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Description: Adjusted color curves

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The OSC Club (One Shot Camera)
CMOS Imagers
ZWO ASI 2600MC PRO
"Nordish by nature"
Hydrogen and Oxygen Narrowband Only!
Cooled Color Cams
Sharpless2 Objects
Celestron RASA

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Status	Advanced success
Started	...
Astrometry.net job	7080141
PixInsight job	IWG0CQYG199E8IAA0ECFTFEYV63BFTJA
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	05h21m41s.22
RA (top/left)	05h27m02s.90
RA (top/right)	05h26m08s.99
RA (bottom/right)	05h16m17s.60
RA (bottom/left)	05h17m15s.71

Dec (center)	+08°24′33″.8
Dec (top/left)	+06°43′01″.2
Dec (top/right)	+10°15′20″.7
Dec (bottom/right)	+10°05′47″.5
Dec (bottom/left)	+06°33′36″.2

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Sh2-263

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