M57 (Uwe Deutermann)

Celestial hemisphere: Northern · Constellation: Lyra (Lyr) · Contains: IC 1296 · M 57 · NGC 6720 · PK063+13.1 · Ring nebula · Ring nebula in Lyra

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M57

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M57

After a long long 7 weeks the first 4 hours of clear skies. This summer is for Astro Photographers in Florida a nightmare. Especially if a new camera and some work on the mount is waiting to be done. The camera turned out to be ok, I would not say fantastic since I noticed a shift of the red channel to the other 2. Not sure if this is a camera artifact or the scope. I used my "old" Explore Scientific with the 2x Barlow for M57 since it is just too small for the Rasa. And I always wanted to take a closer look at it 😊! The mount is still not perfectly put together, I still experience jumps in the guiding, but as far as I could tell the RA axis was good. Now I have to work a bit more on the Dec axis, which started this whole dilemma. With that I needed to throw away quite a few images (every time the guiding jumped), leaving me with a bit more than 2 hours of integration time. I am still happy that I got at least this time together, wow ... this bad summer weather does not seem to end!

Original
B
C
Final
D
E

B

Description: Crop of version A.

Uploaded: ...

C

Description: A little bit more work on the stars.

Uploaded: ...

D

Description: Another cropped and enhanced version.

Uploaded: ...

E

Description: Slight improvement of version C using Gradient Exterminator in PS.

Uploaded: ...

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Status	Advanced success
Started	...
Astrometry.net job	2841647
PixInsight job	TZL4SSXY156PNRRKY1UOUITHZMTELCAE
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	18h53m40s.720
RA (top/left)	18h52m26s.340
RA (top/right)	18h53m52s.124
RA (bottom/right)	18h54m54s.804
RA (bottom/left)	18h53m29s.137

Dec (center)	+33°03′02″.76
Dec (top/left)	+33°09′50″.44
Dec (top/right)	+32°46′13″.56
Dec (bottom/right)	+32°56′12″.79
Dec (bottom/left)	+33°19′52″.90

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