Abell 13 (Gary Imm)

Celestial hemisphere: Northern · Constellation: Orion (Ori) · Contains: PK204-08.1

Abell 13

This planetary nebula is located 4000 light years away in the constellation of Orion at a declination of +4 degrees. The magnitude 15.3 PN spans 3 arc-minutes in our apparent view, which corresponds to a diameter of 3 light years.

Like many PN, the outer rim is dominated by HII. In this case, the OIII signal is so weak that I did not even take any OIII subs.

The interstellar medium (ISM) appears to be interacting with the nebula and blurring its edges. A very faint small blue star seen at the center of the nebula is likely the progenitor star.

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Status	Advanced success
Started	...
PixInsight job	5SG92TK8652PKUP4GE5OAPKZCTNOL55M
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	06h04m48s.410
RA (top/left)	06h05m27s.738
RA (top/right)	06h04m08s.542
RA (bottom/right)	06h04m09s.970
RA (bottom/left)	06h05m28s.264

Dec (center)	+03°56′36″.56
Dec (top/left)	+04°04′12″.23
Dec (top/right)	+04°04′01″.55
Dec (bottom/right)	+03°49′00″.99
Dec (bottom/left)	+03°49′11″.52

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