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Contains:  12 Mon, NGC2246, The star 12Mon
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SAO 114042 Neighborhood, 



    
        

            Stephen Garretson
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SAO 114042 Neighborhood

Imaging telescopes or lenses: William Optics FLT 132 Triplet APO WO 132 APO

Imaging cameras: ASI ZWO 1600 MM-Cooled ZWO 1600MM

Mounts: Paramount MyT MyT

Focal reducers: William Optics Flat 7, 0.8x Reducer/Flattener WO Flat 7

Software: PixInsight 1.8 Ripley PixInsight  ·  Sequence Generator Pro SGP

Filters: Baader Ha 7nm 2"  ·  Baader OIII 8.5 nm 2" Baader OIII 8.5nm  ·  Baader H-Beta 8.5nm 2" Baader H-beta 8.5nm


Dates:April 4, 2018

Frames:
Baader H-Beta 8.5nm 2" Baader H-beta 8.5nm: 13x300" (gain: 139.00) -20C bin 1x1
Baader Ha 7nm 2": 24x300" (gain: 139.00) -20C bin 1x1
Baader OIII 8.5 nm 2" Baader OIII 8.0nm: 39x300" (gain: 139.00) -20C bin 1x1

Integration: 6.3 hours

Darks: ~15

Flats: ~30

Flat darks: ~15

Bias: ~40

Avg. Moon age: 18.70 days

Avg. Moon phase: 83.48%

Mean SQM: 19.18


Astrometry.net job: 1998490

RA center: 6h 33' 28"

DEC center: +4° 41' 9"

Pixel scale: 2.167 arcsec/pixel

Orientation: 0.288 degrees

Field radius: 0.600 degrees


Resolution: 1253x1551

Data source: Backyard

Description

Used the star SAO 114042 as an initial slew for framing; the star is visually on the fringe of the Rosette Nebula, the central portion of which is visible upper right. Original FOV was later cropped somewhat and rotated 90°. This was my first attempt at using H-beta instead of SII in the Hubble palette, and the first time I was successfully able to pull out some blues and cyan.

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Author

StephenGarretson
Stephen Garretson
License: None (All rights reserved)
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SAO 114042 Neighborhood, 



    
        

            Stephen Garretson