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Contains:  M 99, NGC 4254, Pin-wheel nebula
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M99  - the coma pinwheel, 


            Andrew Lockwood
M99  - the coma pinwheel
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M99 - the coma pinwheel

Technical card

Imaging telescope or lens:ASA 16N

Imaging camera:QSI 683wsg-8

Mount:ASA Astrosysteme ASA DDM85

Guiding telescope or lens:ASA 16N

Focal reducer:ASA Astrosysteme ASA 3" Wynne Reducer Corrector 0,95x


Filters:Astrodon 31mm Ha 5nmAstrodon 31mm RedAstrodon 31mm Blue

Dates:March 2, 2019

Frames: 192x300"

Integration: 16.0 hours

Avg. Moon age: 25.82 days

Avg. Moon phase: 14.81%

Basic astrometry details job: 2561148

RA center: 12h 18' 44"

DEC center: +14° 25' 8"

Pixel scale: 0.380 arcsec/pixel

Orientation: 3.677 degrees

Field radius: 0.394 degrees

Resolution: 5988x4464

Locations: home, perth, western australia, Australia

Data source: Backyard


55 Million light years away, in the Virgo cluster of galaxies is the Coma Pinwheel. Although similar in dimensions to the Milky Way it appears to only have 15% of the mass of our home galaxy.



Andrew Lockwood
License: None (All rights reserved)

Sky plot

Sky plot


M99  - the coma pinwheel, 


            Andrew Lockwood

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