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Hi, this is The Inchworm Cluster or Ngc 6910 in the constellation of Cygnus at an estimated distance of 3,700 ly. As you can see it's surrounded by nebulosity from the Butterfly nebula. The Large star is the super giant Sadr.

Stacked in APP, processed in PI, PS and APP.

Imaging telescope: Takahashi Epsilon 130d

Imaging camera: Zwo Asi 071

Mount: SkyWatcher AZ EQ6

Software: Sequence Generator Pro 

Resolution: 4852x3194

Dates: May 9, 2018

Frames: 88x150" (gain: 50.00) -20C

Integration: 3.7 hours

Darks: ~30

Flats: ~50

Bias: ~50

Avg. Moon age: 23.43 days

Avg. Moon phase: 36.49%

Bortle Dark-Sky Scale: 4.00

RA center: 305.775 degrees

DEC center: 40.752 degrees

Pixel scale: 2.294 arcsec/pixel

Orientation: 182.367 degrees

Field radius: 1.851 degrees

Locations: Back Garden, Cork, Ireland

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On 15/05/2018 at 05:32, MeyGray3833 said:

That's a cracker! :icon_biggrin:

Thanks, glad you like it.

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