NGC 7380 (Wizard Nebula)

All Images Copyright Steve Cannistra

Please click here for a larger version (50%)

RA: 21h 47m 21s
Dec: +58 degrees 07' 57"
PA: plus 228 degrees

NGC 7380 is a young star cluster born within the emission nebula SH2-142, in the constellation Cepheus.  The shape of this region when presented vertically resembles a wizard with some imagination, but I preferred to orient it more horizonally as shown above.  Like many star forming regions, the active young stars emit UV radiation, which exites hydrogen atoms to emit in the H alpha range (656nm, red), H beta (486 nm, blue), and is also energetic enough to exite oxygen atoms (OIII, 496nm and 501nm, blue-green).  The central part of the nebula shows cleared out gas that is emitting more H beta and OIII relative to H alpha, giving it a bluish appearance even in this HaRGB image (taken without an OIII filter).  Columns of gas are being sculpted by UV winds from the hot, newly formed stars, demonstrating a variety of "elephant trunk" shapes typical of other similar star forming regions such as IC 1396 and the Rosette Nebula.  More information about NGC 7380 may be found in Rob Gendler's website.

Photographic Details:
Dates:  September 20, 21, 2019
Scope:  FSQ106 on the Takahashi NJP Mount
Autoguider:  SBIG ST-402
Camera:  SX814 Trius -20C
Filters:  Baader HaRGB
Exposures:  Total exposure 10 hours
Post-processing:  Calibrated, aligned and stacked in Maxim, followed by DDP in ImagesPlus (IP).  Further processing in Photoshop CS (16 bit format)
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