Imaging telescopes or lenses: Teleskop Service TS Photoline 107mm f/6.5 Super-Apo
Imaging cameras: SBIG STF-8300M
Mounts: Orion Atlas Pro AZ/EQ-G
Guiding telescopes or lenses: Teleskop Service TS Photoline 107mm f/6.5 Super-Apo
Guiding cameras: QHY5L-II Mono
Software: Sequence Generator Pro · PixInsight · Adobe Photoshop CS4 · Annie's Astro Actions · Stark Labs PHD2 v2.3.0 · Astrometry.net Local Solver · EQASCOM · Cartes du Ciel · Elbrus · ProDigital Software Carbonis Actions
Filters: Astrodon 5nm H-alpha · Astrodon LRGB Tru-Balance E-series
Accessory: Teleskop Service TSFlat2 field flattener · Starlight Xpress Slimline OAG · Starlight Xpress SX USB Filter Wheel 7x36mm · Dew-Not heater strip · Ronald J. Keating Jr DewBuster Controller
Dates:Sept. 11, 2015 , Sept. 13, 2015 , Sept. 14, 2015
Frames:
Astrodon 5nm H-alpha: 12x1200" bin 1x1
Astrodon Blue Tru-Balance E-series: 13x600" bin 1x1
Astrodon Green Tru-Balance E-series: 13x600" bin 1x1
Astrodon Luminance Tru-Balance E-series: 28x900" -10C bin 1x1
Astrodon Red Tru-Balance E-series: 13x600" bin 1x1
Integration: 17.5 hours
Darks: ~20
Flats: ~30
Bias: ~100
Avg. Moon age: 9.74 days
Avg. Moon phase: 1.42%
Astrometry.net job: 833378
RA center: 1h 33' 52"
DEC center: +30° 40' 1"
Pixel scale: 1.582 arcsec/pixel
Orientation: 89.204 degrees
Field radius: 0.791 degrees
Resolution: 2658x2431
Locations: Little Piney Observatory, Hagarville, Arkansas, United States
This is one I've been holding on to for a while. I'm glad I saved it with all the clouds and rain we've seen lately around here. Truth be told though, I actually walked away from it and then nearly forgot about it. M33, in spite of its brightness, is probably the toughest galaxy to process. Adding Ha into the equation seemed to make it even tougher for me. I finally have something I am halfway pleased with, so I published it here. Would have been very disappointed if I hadnt after spending 20 hrs acquiring the data and countless more in front of the computer monitor!!! :P
I was also in the middle of another project and couldnt rotate my camera. It needed rotating to frame this galaxy the way I wanted with the 107mm/8300 camera, so I had to rotate the image and crop it.
Revision B is annotated.
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