Hemisphere:  Northern  ·  Contains:  NGC 4712  ·  NGC 4725  ·  NGC4712  ·  NGC4725
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NGC 4725, 


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NGC 4725

Imaging telescopes or lenses: Celestron C8

Imaging cameras: ZWO ASI1600MM-Cool

Mounts: Astro-Physics Mach1GTO

Guiding cameras: SXV Lodestar

Focal reducers: Focal Reducer 0.63x

Software: PixInsight  ·  Starnet ++  ·  NINA - Nighttime Imaging ‘N’ Astronomy  ·  PHD2  ·  Photoshop CS3

Filters: Baader LRGB 1.25'' CCD Filters

Accessory: Orion Thin Off-Axis Guider (TOAG)

Dates:April 15, 2020April 16, 2020April 18, 2020April 20, 2020April 21, 2020

Baader B 1.25'' CCD Filter: 124x120" (gain: 76.00) -15C bin 1x1
Baader G 1.25'' CCD Filter: 124x120" (gain: 76.00) -15C bin 1x1
Baader L 1.25" CCD Filter: 671x60" (gain: 76.00) -15C bin 1x1
Baader R 1.25'' CCD Filter: 122x120" (gain: 76.00) -15C bin 1x1
Baader R 1.25'' CCD Filter: 15x120" (gain: 76.00) -16C bin 1x1

Integration: 24.0 hours

Avg. Moon age: 25.39 days

Avg. Moon phase: 21.20%

Astrometry.net job: 3454008

RA center: 12h 50' 27"

DEC center: +25° 30' 13"

Pixel scale: 1.392 arcsec/pixel

Orientation: 0.330 degrees

Field radius: 0.351 degrees

Resolution: 1435x1109

Data source: Backyard


Another attempt at doing LRGB imaging of fainter targets from a SQM 18.7 location. Pretty pleased overall but color casts around stars and the background were a handful.

Also for a change I tried out NINA for the first time - worked really well. I grabbed v1.10 nightly 76 and took almost 1400 frames and didn't have a single failure or program issue.



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NGC 4725,