Imaging telescope or lens: Explore Scientific PN-208/812 Carbon Fiber OTA
Imaging camera: ZWO ASI 1600MM Cool
Mount: SkyWatcher AZ-EQ5
Guiding telescope or lens: Solomark F50 50mm guidescope
Guiding camera: ToupTek ToupCam GCMOS01200KPB
Accessory: Explore Scientific HR Coma Corrector
Integration: 50.3 hours
Avg. Moon age: 7.89 days
Avg. Moon phase: 54.75%
Astrometry.net job: 1801947
RA center: 45.411 degrees
DEC center: 64.769 degrees
Pixel scale: 0.913 arcsec/pixel
Orientation: 263.294 degrees
Field radius: 0.667 degrees
I’m betting I’m the only astrophotographer who has ever tried HFG1 before giving M31 or M45 a shot. Anyway, after having concentrated on a couple of galaxies, I wanted to do a really challenging narrowband image, but this was even more challenging than I was expecting. I’ve been wanting to do HFG1 since I first saw Stephane Zoll’s version, which brought me to Nico Geisler and Frank Iwaszkiewicz’s absolute masterpiece of this duo. Even with more integration time, I couldn’t approach the detail or luminosity they were able to achieve. I'm starting to realize why people spend so much on those 3 nm Astrodons... I’m going to have at least a week of cloudy nights ahead – I might try downloading Astro Pixel Processor and seeing if it can help me bring out more detail and keep down the noise.
I restacked without bias frames and used log/square root when applying changes to the stacks before exporting them. It allowed me to sharpen it more and push it further without introducing too much noise - noise issues kept me from taking this as far as I wanted in the previous version.
Added 22 hours of data.
Additional noise reduction from PixInsight.
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