Hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  NGC 7380
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The Wizard Nebula in HaRGB, 


            Trevor Jones
The Wizard Nebula in HaRGB
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The Wizard Nebula in HaRGB

Technical card

Imaging telescopes or lenses: Explore Scientific ED102 CF APO

Imaging cameras: Altair Astro Hypercam 183c

Mounts: SkyWatcher HEQ5 goto synscan

Guiding telescopes or lenses: Altair Astro Starwave 50mm

Guiding cameras: Altair Astro GPCAM2 AR0130 Mono

Focal reducers: Altair Astro Lightwave 0.8x reducer

Software: Astro Photography Tool APT

Filters: Astronomik 12 nm Ha  ·  Explore Scientific UHC

Accessory: Kendrick Standard Dual Channel Dew Controller

Dates:Sept. 16, 2017Sept. 20, 2017Sept. 22, 2017

Astronomik 12 nm Ha: 67x210" (gain: 60.00) bin 2x2
Explore Scientific UHC: 50x90" (gain: 60.00) bin 2x2

Integration: 5.2 hours

Darks: ~15

Flats: ~15

Bias: ~15

Avg. Moon age: 9.39 days

Avg. Moon phase: 7.37%

Bortle Dark-Sky Scale: 7.00

Temperature: 23.33

Basic astrometry details

Astrometry.net job: 1740377

RA center: 22h 46' 59"

DEC center: +58° 5' 20"

Pixel scale: 3.192 arcsec/pixel

Orientation: 81.064 degrees

Field radius: 0.535 degrees

Resolution: 1000x676

Locations: My Backyard, St. Catharines, Ontario, Canada


I have seen a lot of amazing images of the Wizard Nebula this summer. Some of the best ones were in Narrowband using the Hubble Pallete.

My version attempts to retain some of the natural color of this nebula - although it's definitely pushed hard in the red department.

I am SUPER happy with the Altair Hypercam 183C these days, now that I've figured out it's strengths and weaknesses. Specifically - I think that for emission nebula, an HaRGB composite is a must to do the object justice. (From my light polluted backyard anyway) Getting my hopes up for a pleasing RGB-only version has lead to some letdowns.
I think I have found the sweet spot. RGB exposures of about 90-120s (Gain 60%, Bin 2x2) - with added H-Alpha exposures of 180-240s. This seems to keep the noise at bay (This is not a TEC camera!), but captures some solid signal.
As always, more time soaked into this project would have helped the SNR - but hey, a guys gotta go to work in the morning;)

The image sets were stacked using Deep Sky Stacker Each image (Ha, RGB) was then processed separately in Adobe Photoshop CC


Sky plot

Sky plot


The Wizard Nebula in HaRGB, 


            Trevor Jones