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Contains:  NGC 5477, NGC 5473, M 101, NGC 5457
Getting plate-solving status, please wait...
M101 - Pinwheel Galaxy, 


            Alan Pham
M101 - Pinwheel Galaxy

M101 - Pinwheel Galaxy

Technical card

Resolution: 3796x2512

Dates:April 8, 2018April 19, 2018April 20, 2018April 21, 2018

Astrodon B Tru-Balance E-Series Gen 2: 141x60" (gain: 76.00) -15C bin 1x1
Astrodon G Tru-Balance E-Series Gen 2: 141x60" (gain: 76.00) -15C bin 1x1
Astrodon L Tru-Balance E-Series Gen 2: 1423x60" (gain: 76.00) -15C bin 1x1
Astrodon R Tru-Balance E-Series Gen 2: 145x90" (gain: 76.00) -15C bin 1x1

Integration: 32.0 hours

Avg. Moon age: 9.16 days

Avg. Moon phase: 30.14%

Bortle Dark-Sky Scale: 7.00 job: 2175163

RA center: 210.800 degrees

DEC center: 54.368 degrees

Pixel scale: 1.108 arcsec/pixel

Orientation: 270.581 degrees

Field radius: 0.701 degrees

Locations: Home, San Jose, California, United States; Pinnacles National Park, Soledad, California, United States

Data source: Backyard


A wide field version of my previous image showing M101 and friends.



Alan Pham
License: None (All rights reserved)

Sky plot

Sky plot


M101 - Pinwheel Galaxy, 


            Alan Pham