Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  M 101  ·  NGC 5422  ·  NGC 5457  ·  NGC 5461  ·  NGC 5473  ·  NGC 5474  ·  NGC 5485
HaLRGB Pinwheel Galaxy (M101), 



    
        

            Temu Nana
HaLRGB Pinwheel Galaxy (M101)
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HaLRGB Pinwheel Galaxy (M101)

HaLRGB Pinwheel Galaxy (M101), 



    
        

            Temu Nana
HaLRGB Pinwheel Galaxy (M101)
Powered byPixInsight

HaLRGB Pinwheel Galaxy (M101)

Technical card

Imaging telescopes or lenses: Explore Scientific 102 mm f/7 FCD100 Explore Scientific

Imaging cameras: Atik 383L+ Mono

Mounts: Celestron CGX

Guiding telescopes or lenses: Stellarvue 50mm F050G Guide Scope

Guiding cameras: Starlight Xpress Lodestar 2

Focal reducers: Stellarvue 0.8 FF&R .8x Focal Reducer / field flattener

Software: Sequence Generator Pro Seqence Generator Pro  ·  PixInsight 1.8.6 Ripley  ·  Phd2  ·  Adobe Photoshop CC 2019 Photoshop 2019 CC  ·  SharpCap

Filters: Baader Planetarium Ha 1.25" 7nm  ·  Baader Green 1.25" CCD Filter  ·  Baader Blue 1.25'' CCD Filter  ·  Baader Red 1.25" CCD Filter  ·  Baader Luminance 1.25'' Filter

Accessory: Rigel Systems GSUSB nStep Focuser  ·  Atik EFW2-1 9x1.25"  ·  Rigel Systems GCUSB nStep Focus Controller


Dates:April 28, 2020

Frames:
Baader Blue 1.25'' CCD Filter: 55x300" (4h 35') -20C bin 1x1
Baader Green 1.25" CCD Filter: 55x300" (4h 35') -20C bin 1x1
Baader Luminance 1.25'' Filter: 60x300" (5h) -20C bin 1x1
Baader Planetarium Ha 1.25" 7nm: 30x300" (2h 30') -20C bin 1x1
Baader Red 1.25" CCD Filter: 55x300" (4h 35') -20C bin 1x1

Integration: 21h 15'

Darks: 50

Flats: 20

Bias: 200

Avg. Moon age: 5.03 days

Avg. Moon phase: 26.01%

Bortle Dark-Sky Scale: 5.00


Basic astrometry details

Astrometry.net job: 3474954

RA center: 14h03m33s.8

DEC center: +54°2237

Pixel scale: 0.973 arcsec/pixel

Orientation: 269.113 degrees

Field radius: 1.071 degrees


Resolution: 6368x4728

Data source: Backyard

Description

M101 garnered most of my time & attention for my first galaxy season. My scope doesn't really have the reach for most galaxies, but it was a great learning experience, both in capture and in processing.

Comments

Sky plot

Sky plot

Histogram

HaLRGB Pinwheel Galaxy (M101), 



    
        

            Temu Nana