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M101

Technical card

Imaging telescope or lens: Skywatcher 250/1200

Imaging cameras: SBIG ST-10XMESBIG ST-2000XCM

Mount: SkyWatcher EQ6 belt-modded

Guiding telescope or lens: Skywatcher 250/1200

Guiding camera: SBIG ST-10XME

Software: MaxIm DL 5Adobe Photoshop 2 CS

Resolution: 1995x1327

Dates: May 16, 2017

Frames:
38x300" -15C bin 1x1
Narrowband Ha: 6x900" bin 2x2

Integration: 4.7 hours

Darks: ~5

Flats: ~21

Avg. Moon age: 19.34 days

Avg. Moon phase: 78.16%

Bortle Dark-Sky Scale: 4.00

Astrometry.net job: 1582102

RA center: 210.828 degrees

DEC center: 54.371 degrees

Pixel scale: 1.170 arcsec/pixel

Orientation: -177.258 degrees

Field radius: 0.389 degrees

Description

M101 in Halpha-LRGB. RGB data taken with ST-2000XCM color camera.

Comments

Author

Daniele Gasparri
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M101, Daniele Gasparri