Vdb 126 Vulpecula Reflection Nebula (Jerry Macon)

Celestial hemisphere: Northern · Constellation: Vulpecula (Vul) · Contains: VdB126

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Vdb 126 Vulpecula Reflection Nebula

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Vdb 126 Vulpecula Reflection Nebula

Images from the following two scopes (piggybacked) contributed to this image:

AG12+ASI1600MM at .70 asec/pix (RGB)

TV127is+ASI183MM at .75 asec/pix. (L)

They were all registered to the best R image taken on the AG12.

Using L from the TV NP127is refractor effectively eliminates the spikes from the AG12.

This image was unguided.

An interesting star field along the Milky Way in the constellation Vulpecula (the "fox"). The mottling and brownish color is due to the veritable infinitude of background stars as one looks in the direction of the edge of the Milky Way. Vdb126 is a reflection nebula that consists of the blue nebula in the center left of the image. It is associated with the hot B-class giant star (HD189218) directly behind it. The temperature is insufficient to ionize the surrounding hydrogen cloud, but it is sufficient to scatter photons traveling through the cloud in a process called Raleigh scattering. Generally, hydrogen atoms in the nebula scatter short-wavelength light (blue and violet) and let longer wavelengths (red, orange, yellow, green) pass through undisturbed. The result is that the nebula is bluish in color.

Also noteworthy in this image are: (1) The blue circle center right, which is another reflection nebula associated with the same star; (2) the dark nebula (black in color) that is interstellar gas that blocks what lies beyond.

(Richard Hammar)

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Status	Advanced success
Started	...
Astrometry.net job	3060599
PixInsight job	HEF05PDL48XKPP6T86C2Z6I8HXOFV1LV
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	19h26m11s.513
RA (top/left)	19h24m10s.538
RA (top/right)	19h28m05s.646
RA (bottom/right)	19h28m13s.272
RA (bottom/left)	19h24m16s.918

Dec (center)	+22°45′11″.13
Dec (top/left)	+22°25′43″.40
Dec (top/right)	+22°23′34″.32
Dec (bottom/right)	+23°04′37″.27
Dec (bottom/left)	+23°06′45″.65

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Vdb 126 Vulpecula Reflection Nebula

Vdb 126 Vulpecula Reflection Nebula

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Vdb 126 Vulpecula Reflection Nebula

Vdb 126 Vulpecula Reflection Nebula

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