Wing Tip (Cederblad 90/Gum 3) (Gary Lopez)

Celestial hemisphere: Southern · Constellation: Canis Major (CMa) · Contains: LBN 1037 · LBN 1039 · Sh2-297 · VdB94

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Wing Tip (Cederblad 90/Gum 3)

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Wing Tip (Cederblad 90/Gum 3)

Forming the left wing tip of the Seagull Nebula (IC 2177) is Cederblad 90/Gum 3, an object with dual properties of both an emission and reflection nebula. Hydrogen mixed with dust and that is energized by the bright star, SAO 152349, creates a pinkish hue intermixed with faint traces of blue nebulosity.

It has been challenging weather for astrophotography this winter in Northern California. Relentless cloudiness, uneven transparency, and bad seeing has made acquiring quality data difficult. There was a stretch of clear nighttime hours over a three week period in February in which I acquired 15.6 hours of data for this image. I stopped data acquisition when the object fell below the horizon for the season. I used RGB data for color mapping and Ha data for structural mapping, combined using the PixInsight NBRGB script. For delicate reflection nebula, such as this, it is difficult to find a balance between subtle features of the reflection and the robust structures of the emitting Ha. In this image I attempted to process those portions of the image separately.

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Description: Tighter crop

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Description: I think I may need an intervention to get away from this image. I believe that I may be makeing changes that can only be seen by me and my dog, Jessie.

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SF Bay Area Imagers
ZWO ASI1600MM/QHY163M
Suburban Astrophotography

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Status	Advanced success
Started	...
Astrometry.net job	3299029
PixInsight job	X7BGOOF6IEPWJSSZ0I5QRHK74OJEP36I
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	07h04m56s.802
RA (top/left)	07h03m02s.774
RA (top/right)	07h04m35s.667
RA (bottom/right)	07h06m51s.187
RA (bottom/left)	07h05m17s.757

Dec (center)	-12°11′21″.49
Dec (top/left)	-11°57′58″.80
Dec (top/right)	-12°41′50″.70
Dec (bottom/right)	-12°24′38″.77
Dec (bottom/left)	-11°40′54″.23

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Wing Tip (Cederblad 90/Gum 3)

Wing Tip (Cederblad 90/Gum 3)

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Wing Tip (Cederblad 90/Gum 3)

Wing Tip (Cederblad 90/Gum 3)

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