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Hemisphere:  Northern  ·  Contains:  M 101, NGC 5451, NGC 5457, NGC 5461
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Pinwheel Galaxy (Messier 101) - LRGB, 


            Henning Schmidt
Pinwheel Galaxy (Messier 101) - LRGB
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Pinwheel Galaxy (Messier 101) - LRGB

Technical card

Imaging telescopes or lenses: Celestron C14

Imaging cameras: QHYCCD QHY 183M  ·  QHYCCD QHY 183C

Mounts: SkyWatcher EQ8 Pro

Focal reducers: ASA 0,77 SC Reducer

Software: Adobe PS CS2  ·  PixInsight

Filters: UV/IR Baader

Accessory: Lacerta Mgen

Dates:April 10, 2020April 12, 2020

RGB: 47x60" (gain: 20.00) -35C
UV/IR Baader: 22x180" (gain: 20.00) -35C

Integration: 1.9 hours

Darks: ~50

Bias: ~200

Avg. Moon age: 18.60 days

Avg. Moon phase: 83.34%

Basic astrometry details job: 3407449

RA center: 14h 3' 13"

DEC center: +54° 21' 14"

Pixel scale: 0.568 arcsec/pixel

Orientation: 196.486 degrees

Field radius: 0.135 degrees

Resolution: 1390x1007

Locations: Home observatory, Rostock, Mecklenburg-Vorpommern, Germany

Data source: Backyard


Pinwheel Galaxy (Messier 101) with C14 - Composite with Luminance (QHY 183M, 22x180sec, -35°C, Baader UV/IR Cut) on 12.04.2020 und RGB (QHY 183C, 47x60 sec, -35°C) from 10.04.2020; Gain 20, Offset 30; objective: Celestron SC C14 (old US).



Henning Schmidt
License: None (All rights reserved)

Sky plot

Sky plot


Pinwheel Galaxy (Messier 101) - LRGB, 


            Henning Schmidt