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Contains:  NGC 2239, NGC 2244, Rosette nebula, The star 12Mon
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Rosette Nebula - My First Narrowband Image, 



    
        

            HixonJames
Rosette Nebula - My First Narrowband Image
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Rosette Nebula - My First Narrowband Image

Technical card


Dates:Jan. 8, 2020Jan. 20, 2020

Frames:
ZWO 36mm 7nm Ha: 30x120" (gain: 139.00) -20C
ZWO 36mm 7nm OIII: 58x60" -20C
ZWO 36mm 7nm SII: 26x120" -20C

Integration: 2.8 hours

Darks: ~50

Flats: ~50

Bias: ~100

Avg. Moon age: 18.78 days

Avg. Moon phase: 56.59%

Bortle Dark-Sky Scale: 8.00


Basic astrometry details

Astrometry.net job: 3209701

RA center: 6h 31' 48"

DEC center: +4° 59' 52"

Pixel scale: 2.232 arcsec/pixel

Orientation: 180.218 degrees

Field radius: 0.774 degrees


Resolution: 2000x1494

Locations: Backyard, Columbus, Ohio, United States

Data source: Backyard

Description

With my Christmas money (and a 12-months-no-interest credit card, lol) I have acquired a new camera, filters, and a filter wheel! It's a big step up from my old D7000.

I'm still getting acquainted with all the new gear, as well as SGP. This is by no means a finished project, but I wanted to take something from beginning to end, just to familiarize myself with the workflow. There is still much to be learned.

What I've learned already, is that I will need to be doing longer exposures, especially for narrowband. I'm already asking too much of the AVX - 3 minutes is pushing it with such a load. But, I think I need to be doing 5-minute subs to properly expose things. I'm hoping to get there with some further mount tuning. I really can't afford a new mount right now.

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HixonJames
HixonJames
License: None (All rights reserved)
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Rosette Nebula - My First Narrowband Image, 



    
        

            HixonJames