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Contains:  NGC 3628, M 66, NGC 3627, M 65, NGC 3623
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Leo Triplet, 


            Paul Wittau
Leo Triplet

Leo Triplet

Technical card

Resolution: 2968x2260

Dates:May 4, 2018May 4, 2019

9x180" ISO1600 17C
23x180" ISO1600 22C

Integration: 1.6 hours

Darks: ~45

Flats: ~25

Bias: ~70

Avg. Moon age: 24.01 days

Avg. Moon phase: 40.87%

Bortle Dark-Sky Scale: 5.00

Temperature: 53.00 job: 2702099

RA center: 169.948 degrees

DEC center: 13.303 degrees

Pixel scale: 1.482 arcsec/pixel

Orientation: 265.762 degrees

Field radius: 0.768 degrees

Locations: Soccer Park NE Field Entrance, Iowa City, Iowa, United States

Data source: Traveller


This image is made up from data from two nights. The frames captured in 2018 on my Sirius mount were better than the ones taken this year on my Atlas, surprisingly. This was due to bad atmospheric conditions making it hazy. It also caused my guiding to slip a few times. Overall I wanted to add more integration time, but I'm trying to share more instead of letting images sit on my hard drive.



Integration: 1.60 hours



Paul Wittau
License: None (All rights reserved)

Sky plot

Sky plot


Leo Triplet, 


            Paul Wittau

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