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Contains:  NGC 4328, NGC 4322, M 100, NGC 4321, NGC 4312, IC 783
Getting plate-solving status, please wait...
Messier 100, 


            Frank Schmitz
Messier 100

Messier 100

Technical card

Resolution: 4704x3943

Dates:May 3, 2018May 7, 2018May 8, 2018

Baader Planetarium Ha 31mm 7nm: 40x120" (gain: 75.00) -20C bin 1x1
Baader Planetarium L 31mm: 150x120" (gain: 75.00) -20C bin 1x1
Baader Planetarium RGB 31mm: 90x120" (gain: 75.00) -20C bin 1x1

Integration: 9.3 hours

Darks: ~30

Flats: ~30

Bias: ~100

Avg. Moon age: 20.73 days

Avg. Moon phase: 63.34%

Bortle Dark-Sky Scale: 5.00

Temperature: 12.00 job: 2055190

RA center: 12h 22' 48"

DEC center: +15° 49' 33"

Pixel scale: 0.861 arcsec/pixel

Orientation: 268.305 degrees

Field radius: 0.734

Locations: Home, Odenthal, Deutschland, Germany


Here is my attempt on Messier 100. Had some trouble with my guiding... the Heq5 does not perform very well in my new position in the garden, even a little bit of wind destroys the guiding graph... however stars are almost round so I am quite happy with it :)



Frank Schmitz
License: None (All rights reserved)

Sky plot

Sky plot


Messier 100, 


            Frank Schmitz