Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  M 101  ·  NGC 5422  ·  NGC 5457  ·  NGC 5473  ·  NGC 5474  ·  NGC 5477  ·  NGC 5485  ·  NGC 5486
M101 the Pinwheel galaxy, 



    
        

            Steve Coates
M101 the Pinwheel galaxy
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Technical card

Imaging telescopes or lenses: Orion EON 80mm

Imaging cameras: QSI 683 ws

Mounts: Losmandy G11

Guiding telescopes or lenses: Orion 50mm GuideScope

Guiding cameras: Orion Star Shoot Planetary Imager & Autoguider

Software: PHD guiding  ·  photoshop  ·  DeepSkyStacker

Filters: Astrodon E-series LRGB  ·  Astronomik EOS Clip Filter: UHC  ·  Astrodon Tru-Balance Generation 2 E-Series - LRGB  ·  Astrodon Tru-Balance Generation 2 E-Series - LRGB 36mm Round Fil


Dates:May 25, 2012May 26, 2012

Frames:
Astrodon E-series LRGB: 27x240" (1h 48') bin 1x1
Astrodon E-series LRGB: 9x360" (54') bin 1x1
Astrodon E-series LRGB: 9x480" (1h 12') bin 1x1

Integration: 3h 54'

Avg. Moon age: 4.60 days

Avg. Moon phase: 22.20%

Bortle Dark-Sky Scale: 7.00


Basic astrometry details

Astrometry.net job: 135946

RA center: 14h02m44s

DEC center: +54°1912

Pixel scale: 7.022 arcsec/pixel

Orientation: 89.039 degrees

Field radius: 1.199 degrees


Resolution: 620x443

Locations: Home, Ocala, Florida, United States

Description

M101 the Pinwheel galaxy

Companion galaxy NGC 5474 (dwarf galaxy) lower right to m 101 and NGC 5422 upper left (galaxy)

Constellation: Ursa Major

~24 million light years distant

Taken May 25 and 26, 2012

Ocala, FL

PS CS5

Orion 80mm EON

Orion 80mm guide scope with SSAG

QSI 683ws with Astrodon Generation 2 LRGB filters

Luminance 4min subs x27

Red 6min x3 and 8min x3

Green 6min x3 and 8min x3

Blue 6min x3 and 8min x3

Losmany G-11 with Gemini II

Comments

Sky plot

Sky plot

Histogram

M101 the Pinwheel galaxy, 



    
        

            Steve Coates