Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  M 101  ·  M101  ·  NGC 5422  ·  NGC 5457  ·  NGC 5473  ·  NGC 5474  ·  NGC 5477  ·  NGC 5485  ·  NGC 5486  ·  NGC5422  ·  NGC5447  ·  NGC5449  ·  NGC5450  ·  NGC5451  ·  NGC5453  ·  NGC5455  ·  NGC5461  ·  NGC5462  ·  NGC5471  ·  NGC5473  ·  NGC5474  ·  NGC5477  ·  NGC5484  ·  NGC5485  ·  NGC5486  ·  Pinwheel galaxy
M101, The Pinwheel Galaxy in LRGB, 



    
        

            Scott
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M101, The Pinwheel Galaxy in LRGB

M101, The Pinwheel Galaxy in LRGB, 



    
        

            Scott
Powered byPixInsight

M101, The Pinwheel Galaxy in LRGB

Technical card

Imaging telescopes or lenses: Explore Scientific ES102ED ES102ED APO

Imaging cameras: Atik 383L+ Mono

Mounts: Sky-Watcher NEQ6 pro goto

Guiding cameras: Meade DSI II

Focal reducers: Stellarvue 0.8X Reducer/Flattener for 102 mm apo

Software: PHD Guiding  ·  Startools  ·  Sequence Generator Pro Seqence Generator Pro

Filters: Baader Planetarium 36mm Luminance  ·  Baader Planetarium Blue 36mm  ·  Baader Planetarium Green 36 mm  ·  Baader Planetarium Red 36mm

Accessory: ATIK EFW2, 7x36mm


Dates:March 27, 2016April 30, 2016

Frames:
Baader Planetarium 36mm Luminance: 6x600" (1h) bin 1x1
Baader Planetarium 36mm Luminance: 4x900" (1h) bin 1x1
Baader Planetarium Blue 36mm: 6x300" (30') bin 2x2
Baader Planetarium Green 36 mm: 6x300" (30') bin 2x2
Baader Planetarium Red 36mm: 6x300" (30') bin 2x2

Integration: 3h 30'

Avg. Moon age: 20.42 days

Avg. Moon phase: 66.24%


Astrometry.net job: 1068054

RA center: 14h 3' 1"

DEC center: +54° 22' 12"

Pixel scale: 3.917 arcsec/pixel

Orientation: 90.384 degrees

Field radius: 1.085 degrees


Resolution: 1600x1189

Description

I was never happy with the luminance I acquired for my effort on 27 Mar 16. I kept the RGB but tossed the lum and I reshot the additional 2 hours of lum on 30 Apr 13. Thanks for looking.

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M101, The Pinwheel Galaxy in LRGB, 



    
        

            Scott