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Contains:  M 101, NGC 5457
Getting plate-solving status, please wait...
m101 LRGB ~1 arcsec/pixel, 


            Stephen Armen
m101 LRGB ~1 arcsec/pixel

m101 LRGB ~1 arcsec/pixel

Technical card

Resolution: 2294x1714

Dates:June 8, 2019

Frames: 82x300"

Integration: 6.8 hours

Avg. Moon age: 5.50 days

Avg. Moon phase: 30.50% job: 2742949

RA center: 210.820 degrees

DEC center: 54.352 degrees

Pixel scale: 0.938 arcsec/pixel

Orientation: 0.480 degrees

Field radius: 0.373 degrees

Locations: SDAA site, Tierra Del Sol, CA, United States

Data source: Traveller


m101 captured at 0.46 arcsec/pixel downsampled by 2 to roughly 1". North is up. Subframes were captured over three nights. Two with lots of water vapor in the air (and on the equipment!), and one good dry night.

L: 13 x 5min, R,G,B: 23 x 5 min each



Stephen Armen
License: None (All rights reserved)


  • m101 LRGB ~1 arcsec/pixel, 


            Stephen Armen
  • Final
    m101 LRGB ~1 arcsec/pixel, 


            Stephen Armen

Sky plot

Sky plot


m101 LRGB ~1 arcsec/pixel, 


            Stephen Armen