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CTB1 / LBN 576 (Abell 85, G116.9+0.2, PK 116.9+0.1)

Technical card

Resolution: 4100x3000

Dates:Aug. 10, 2018Aug. 23, 2018Aug. 24, 2018Aug. 25, 2018Aug. 28, 2018Sept. 30, 2018Oct. 1, 2018Oct. 2, 2018Oct. 4, 2018Oct. 8, 2018Oct. 13, 2018

ZWO H-alpha 7nm: 207x300" (gain: 139.00)
OIII: 274x300" (gain: 139.00)

Integration: 40.1 hours

Avg. Moon age: 18.65 days

Avg. Moon phase: 55.73%

Bortle Dark-Sky Scale: 8.00 job: 2322225

RA center: 359.830 degrees

DEC center: 62.445 degrees

Pixel scale: 0.912 arcsec/pixel

Orientation: 269.587 degrees

Field radius: 0.644 degrees

Locations: Home Roof (Bortle 7-8 / Est. Sky Quality: 18.53), Springfield, PA, United States

Data source: Backyard


I was initially planning on gathering 3 more hours of Ha as well as RGB stars, but the Ha is so much stronger than the OIII anyway and I actually quite like how the star color came out, so I think I'm going to call it a day.



Chris Sullivan

Sky plot

Sky plot


CTB1 / LBN 576 (Abell 85, G116.9+0.2, PK 116.9+0.1), 


            Chris Sullivan