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m45, 



    
        

            John Mart
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m45

Imaging telescopes or lenses: Explorer Scientific ED102

Imaging cameras: ZWO ASI 1600MM-PRO

Mounts: SkyWatcher EQ6-R Pro

Guiding telescopes or lenses: ZWO 60/280 Guiderscope

Guiding cameras: ZWO 290MM mini

Software: PinInsight 1.8  ·  SGP  ·  PHD 2

Filters: ZWO B 1.25" optimized for ASI1600  ·  ZWO G 1.25" optimized for ASI1600  ·  ZWO R 1.25" optimized for ASI1600

Accessory: ZWO EAF Electronic Auto Focuser  ·  Pegasus Astro Pocket Power Box  ·  ZWO EFW 1.25 8 Position  ·  Startech Industrial USB3 Hub  ·  QHY PoleMaster PoleMaster


Dates:Nov. 9, 2020Nov. 16, 2020

Frames:
ZWO B 1.25" optimized for ASI1600: 40x120" (gain: 139.00) -20C bin 1x1
ZWO B 1.25" optimized for ASI1600: 60x60" (gain: 139.00) -20C bin 1x1
ZWO G 1.25" optimized for ASI1600: 40x120" (gain: 139.00) -20C bin 1x1
ZWO G 1.25" optimized for ASI1600: 60x60" (gain: 139.00) -20C bin 1x1
ZWO R 1.25" optimized for ASI1600: 40x120" (gain: 139.00) -20C bin 1x1
ZWO R 1.25" optimized for ASI1600: 60x60" (gain: 139.00) -20C bin 1x1

Integration: 7.0 hours

Darks: ~60

Flats: ~30

Flat darks: ~30

Avg. Moon age: 12.29 days

Avg. Moon phase: 21.15%

Bortle Dark-Sky Scale: 5.00

Temperature: 12.00


Astrometry.net job: 4134160

RA center: 3h 47' 4"

DEC center: +24° 13' 14"

Pixel scale: 1.373 arcsec/pixel

Orientation: 90.708 degrees

Field radius: 1.068 degrees


Resolution: 4509x3317

Locations: Home observatory, Atlanta, Georgia, United States

Data source: Backyard

Description

posting the m45 photo with reflection issues that I shared in the forums here:
https://www.astrobin.com/forum/c/astrophotography/equipment/rgb-filter-reflections-from-bright-stars/?page=1#post-31234

you can see the green/red glare is reduced, but still visible. I found these same glare patterns in my Ha & RGB data on horsehead photos, so I'm still not sure if this is related to filters or stray light reflecting inside the scope.

even with issues, I still think this is an improvement over last year's version.

Comments

Author

martja
John Mart
License: None (All rights reserved)
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m45, 



    
        

            John Mart