Close on the Cocoon (Dawn Lowry)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: B168 · Cocoon Nebula · IC 5146 · Sh2-125 · VdB147

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Close on the Cocoon

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Close on the Cocoon

This was taken in my back yard over a few nights in August.

My RC8 is a new scope for me and I battled some with the collimation but i think it has come to be nicely collimated finally

Telescope: Rc 8 reduced 1225mm f6

Camera: ASI183mmpeo

Filters: Astrodon E series

Mount: Atlas EQ6R

Guiding camera: 290 mini with OAG

L RGB: 21:24:24 RGB at 180sec; Lum 57@ 180s: Ha 101 @ 180

Total integration time: 11.35 hours

Seeing/ environment: 2-3

Bortle Class: Class 6 Backyard~ Central Indiana

Dates of acquisition: august September 2020. 4 nights

processing Pixinsght:

processing: considerations. MULTIPLE nights with good alignment (2 degree error allowed in SGP) flat and dark calibration

Crop

DBE

RGB combine masters

RGB workflow~PCC; MLT for Noise reduction

Lum workflow~decon with autopsf 45 iterations 5 layers; MLT for noise reduction

LRGB combine: trialled MS and Arc sin and chose HT with Bg at 10%;

Ha same as lum added sharpening and LHE

TGDVN and a restretch to bring up the black point

Curves with game script masking for lightness and sat boost

XPTR with game script mask for lum boost; MLT for sharpening.

Morph to reduce the stars just a bit and ICC to end. very lightly finished in Light room for selective brightening

Cloudy Nights
ZWO ASI183/QHY183
Women Astrophotographers

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	Image of the day	Top pick	Top pick nominations	Total submitted
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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

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Status	Advanced success
Started	...
Astrometry.net job	4015702
PixInsight job	64QBCSGQ1IT3LX01E2NM1WTMHJP3EV96
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	21h53m50s.500
RA (top/left)	21h55m25s.463
RA (top/right)	21h52m15s.980
RA (bottom/right)	21h52m16s.228
RA (bottom/left)	21h55m25s.276

Dec (center)	+47°16′46″.90
Dec (top/left)	+47°28′24″.67
Dec (top/right)	+47°28′18″.13
Dec (bottom/right)	+47°05′02″.00
Dec (bottom/left)	+47°05′09″.53

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Close on the Cocoon

Close on the Cocoon

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Close on the Cocoon

Close on the Cocoon

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