Fourth Attempt with EAA (astropical)

Celestial hemisphere: Northern · Constellation: Orion (Ori) · Contains: HD251628 · HD251760 · HD251788 · HD251852 · HD251886 · HD251888 · HD251889 · HD251919 · HD251950 · HD252029 · HD252054 · HD252055 · HD252110 · HD252111 · HD252112 · HD252131 · HD252158 · HD252159 · HD252264 · HD252297 · HD252325 · HD252326 · HD252327 · HD252381 · HD252382 · HD252409 · HD252410 · HD252464 · HD252509 · HD252559 · And 30 more.

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Fourth Attempt with EAA

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

Powered byPixInsight

Fourth Attempt with EAA

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

This time the Monkey Head Nebula NGC 2174 in Orion.

Because of crossing clouds autoguiding lost its guide star several times resulting in image shift and elongated noise artefacts. When doing EAA you need a clear view up. Since you cannot remove bad frames every contaminated frame will damage or ruin the final live stack if you do not pause stacking at the right time before clouds attack. Anyway, my EAA attempts are still walking in baby shoes. The final image is post processed in Siril, Starnet and Photoshop CS2. Rev B shows the live stack screen after capturing the first frame. Rev C showcases a few dead pixels on the Uranus-C. There actually more spread all over the image. Can be calibrated away, but... Hmmm.

Final
Original
B
C

B

Title: First frame in SharpCap's Live Stacking

Uploaded: ...

C

Title: Magnified excerpt showing dead pixels

Uploaded: ...

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Status	Advanced success
Started	...
Astrometry.net job	7197207
PixInsight job	F4B8PXF4M5TK4ARUS0IOVYU7YEGL3GMD
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	06h09m38s.28
RA (top/left)	06h12m54s.20
RA (top/right)	06h07m53s.53
RA (bottom/right)	06h06m22s.67
RA (bottom/left)	06h11m22s.24

Dec (center)	+20°31′19″.9
Dec (top/left)	+20°31′56″.7
Dec (top/right)	+21°10′04″.4
Dec (bottom/right)	+20°30′26″.1
Dec (bottom/left)	+19°52′29″.7

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Fourth Attempt with EAA

Fourth Attempt with EAA

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Fourth Attempt with EAA

Fourth Attempt with EAA

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