C27 Crescent Nebula - first light with EdgeHD 11 (Arny)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: Crescent Nebula · HD192020 · HD192163 · HD192182 · HD192303 · HD228243 · HD228304 · LBN 203 · NGC 6888 · Sh2-105

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C27 Crescent Nebula - first light with EdgeHD 11

Revision title: Adjusted rotation and reduced brightness a bit

Powered byPixInsight

C27 Crescent Nebula - first light with EdgeHD 11

Revision title: Adjusted rotation and reduced brightness a bit

working my way to get along with the aperture (easy) and long focal length of 2800mm:
As I have not received yet the 0.7x reducer I am still on f/10, so exposure length and light pollution do not help.

The super light AM5 mount works incredibly well, despite being at its weight limit for the Edge and image train (Asi2600mc OSC + OAG + EFW).

Bigger issue still is guiding, as finding a guide star is not given. Currently 3s exposure with 2x2 binning and 600 gain deliver reliable results and 0.5-0.6" guiding precision.

Focus is not good yet, as my EAF adapter for the Edge has not arrived yet and I am on manual fokus without even a Bathinov mask and also cannot refocused over the course the very short nights on roughly 3.5hrs darkness currently.

The aperture benefit is just amazing - only 4 hours yielded this image, that was processed in PixInsight with BlurXterminator and NoiseXterminator.

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Title: Adjusted rotation and reduced brightness a bit

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Status	Advanced success
Started	...
PixInsight job	MCDYTJWV1XB4HE0APVSH4R7SKHZ537ID
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	20h12m13s.615
RA (top/left)	20h12m38s.772
RA (top/right)	20h11m00s.299
RA (bottom/right)	20h11m48s.637
RA (bottom/left)	20h13m26s.758

Dec (center)	+38°20′14″.21
Dec (top/left)	+38°33′52″.81
Dec (top/right)	+38°22′14″.85
Dec (bottom/right)	+38°06′34″.16
Dec (bottom/left)	+38°18′07″.23

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C27 Crescent Nebula - first light with EdgeHD 11

Revision title: Adjusted rotation and reduced brightness a bit

C27 Crescent Nebula - first light with EdgeHD 11

Revision title: Adjusted rotation and reduced brightness a bit

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C27 Crescent Nebula - first light with EdgeHD 11

Revision title: Adjusted rotation and reduced brightness a bit

C27 Crescent Nebula - first light with EdgeHD 11

Revision title: Adjusted rotation and reduced brightness a bit

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