Owl under Full Moon (Bogdan Borz)

Celestial hemisphere: Northern · Constellation: Ursa Major (UMa) · Contains: M 97 · NGC 3587 · Owl Nebula · PK148+57.1

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Owl under Full Moon

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Owl under Full Moon

The weather has been pretty cruel the last 3 months. Mother Nature always enjoys a good joke and the first row of clear nights I've had were close to the Full Moon. The only possibility left was to target some bright planetary nebula in narrowband and M97, the Owl Nebula, was a good candidate, located in Ursa Major. I was pleasently surprised that the oxygen halo appeared after stacking, in spite of the LP and moonlight. I tried all kinds of formulas and narrowband palettes (variations of HOO) and this is the best I could come up with. The Owl appeared even on the 3 hours subs for the RGB stars, pretty close to the mix I produced in narrowband. I began the acquistions on Mars 22nd, over 7 nights. I threw away around 7 hours of data due to insufficient quality .

The Owl Nebula is situated approximately 2,030 light years away in Ursa Major. It has been discovered in 1781 by Pierre Méchain, Messier's colleague. Its age is estimated to be around 8000 years and its radius 0.9 ly (Wikipedia).

PS: small initial error (corrected), the camera was my new ASI 183MM not my faithful ASI1600. The first narrowband image with the 183MM.

Light Polluted skies
AAA : Astronomes et Astrographes Amateurs
Astrophotographes (France)
Narrowband imaging
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Status	Advanced success
Started	...
Astrometry.net job	4393202
PixInsight job	ZFNZ7NY6QSHZTNQWCPLHPN8U1G91RLG6
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	11h14m50s.349
RA (top/left)	11h13m59s.999
RA (top/right)	11h16m11s.931
RA (bottom/right)	11h15m41s.194
RA (bottom/left)	11h13m28s.652

Dec (center)	+55°01′38″.62
Dec (top/left)	+54°51′48″.10
Dec (top/right)	+54°58′06″.66
Dec (bottom/right)	+55°11′27″.95
Dec (bottom/left)	+55°05′07″.76

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