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Contains:  M 6, Butterfly cluster, NGC 6405
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Butterfly Cluster (M6), 


            Eduardo Oliveira
Butterfly Cluster (M6)

Butterfly Cluster (M6)

Technical card

Imaging telescope or lens:Astro-Tech 8" RC

Imaging camera:QHY163m

Mount:Astro-Physics Mach1GTO

Guiding telescope or lens:Orion ShortTube 80

Guiding camera:ZWO ASI 120 MM

Focal reducer:Astro Physics CCDT67 0.67x

Software:Astrophotography ToolsPixinsightPHD GUIDING

Filter:Baader Planetarium LRGB CCD 1.25"

Accessory:ATIK EFW2

Resolution: 4488x3348

Dates:July 27, 2019July 28, 2019

Baader Planetarium Blue 1.25": 15x150" -15C bin 1x1
Baader Planetarium Green 1.25": 15x150" -15C bin 1x1
Baader Planetarium Luminance 1.25": 33x150" -15C bin 1x1
Baader Planetarium Red 1.25": 15x150" -15C bin 1x1

Integration: 3.2 hours

Darks: ~40

Flats: ~10

Bias: ~60

Avg. Moon age: 25.01 days

Avg. Moon phase: 21.57%

Bortle Dark-Sky Scale: 3.00 job: 2839457

RA center: 265.033 degrees

DEC center: -32.235 degrees

Pixel scale: 0.632 arcsec/pixel

Orientation: 270.980 degrees

Field radius: 0.492 degrees

Locations: Home Observatory, Diamantina, MG, Brazil

Data source: Backyard


A detailed view of the beautiful field of open cluster Messier 6, the Butterfly cluster.



Eduardo Oliveira
License: None (All rights reserved)

Sky plot

Sky plot


Butterfly Cluster (M6), 


            Eduardo Oliveira