Contains:NGC 5477, M 101, NGC 5457
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M101 Lum Data, 




    

        Tom Butts
M101 Lum Data

M101 Lum Data

Technical card

Resolution: 4407x3718

Dates: May 7, 2018May 13, 2018

Frames:
IDAS 2" LPS D2: 40x180" (gain: 139.00) -15C bin 1x1
IDAS 2" LPS D2: 150x60" (gain: 139.00) -15C bin 1x1

Integration: 4.5 hours

Darks: ~15

Flats: ~15

Bias: ~50

Avg. Moon age: 24.49 days

Avg. Moon phase: 30.40%

Bortle Dark-Sky Scale: 8.00

Astrometry.net job: 2062810

RA center: 210.811 degrees

DEC center: 54.343 degrees

Pixel scale: 0.700 arcsec/pixel

Orientation: 47.722 degrees

Field radius: 0.560 degrees

Locations: Home, Burlington, Ontario, Canada

Data source: Unknown

Description

It's been a challenging few weeks to gather what isn't a lot of data. I've been fighting with gear malfunctions and weather. This is composed of guided 180s exposures with 60s unguided exposures as I'm having issues with my autoguider.

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Author

TomButts
Tom Butts
License: Attribution-NonCommercial Creative Commons
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M101 Lum Data, 




    

        Tom Butts