Wizard nebula, NGC 7380 (Duane Melvin)

Wizard nebula, NGC 7380

EXPOSURES: 600-Second subs 18 of them 3 hours open shutter in Bortle 6 sky 10-23-2022

FILTER: Antlia 3nm 2-inch diameter Ha filter in single Starizona magnetic tray

CAMERA: QHY 294 M Pro 4/3 sensor 12 bits 2.3u pixels 46MP mode gain = 400

CALIBRATION: 10 Darks -18 degrees Centigrade

MAIN SCOPE: Esprit 100ED triplet refractor 100mm aperture F/5.5 on EQ6R PRO mount

GUIDESCOPE:   Orion short refractor 80mm x 300mm doublet & Starshoot TM camera ST4 direct

SCOPE HEAT:    SVBony wrap heaters

SOFTWARE: PHD, APT Capture, Pixinsight, StarXterminator, Photoshop, StarSpikes4, Lightroom
REGISTRATION:   Deep Sky
STACKING: Deep sky

NCP ALIGNMENT: The amazing Polemaster RA axis camera system This sees Polaris before I do.

NGC 7380 is a young open cluster of stars in the northern circumpolar constellation of Cepheus, discovered by Caroline Herschel in 1787. The surrounding emission nebulosity is known colloquially as the Wizard Nebula, which spans an angle of 25′. Emitting photons 8500 Light Years from our sun and 20 light-years in width, the very photons hitting my 4/3 camera sensor began the trip toward Earth many years before the building of the Great Pyramid of Giza was even a first thought in the human mind.

it is a relatively dim object and extremely difficult to observe visually, usually requiring very dark skies and perhaps the use of an O-III filter. The pinpoint stars in my rendition are made possible by the tiny error of + - 0.2-pixel guiding (or approximately 1u error) thanks to the EQ6 R PRO mount accuracy. Further clarity occurs with an unlocked mode feature within the CCD QHY294M Pro camera which allows pixels normally operating in sets of 4 to be divided up into single pixels of 2.3u. The brightness available in this photo is possible due only to the ability to shoot 10-minute long subs with no fear of star streaking - all due to the guide performance achieved. Clear Skies and thanks for looking!

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Status	Advanced success
Started	...
Astrometry.net job	6471373
PixInsight job	EUQYUWQ2GM1EJ518LPFG8CLWUW9M5KEU
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	22h50m21s.105
RA (top/left)	22h50m40s.503
RA (top/right)	22h42m03s.681
RA (bottom/right)	22h50m02s.682
RA (bottom/left)	22h58m49s.813

Dec (center)	+58°05′28″.19
Dec (top/left)	+59°16′19″.70
Dec (top/right)	+57°39′54″.55
Dec (bottom/right)	+56°54′34″.47
Dec (bottom/left)	+58°28′53″.36

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