M 33, Triangulum Galaxy (Michael Timm)

Celestial hemisphere: Northern · Constellation: Triangulum (Tri) · Contains: HD9023 · HD9070 · HD9269 · HD9483 · HD9686 · IC 131 · IC 132 · IC 133 · IC 135 · IC 136 · IC 137 · IC 142 · IC 143 · M 33 · NGC 588 · NGC 592 · NGC 595 · NGC 598 · NGC 604 · PGC 1876404 · PGC 1883033 · PGC 1883861 · PGC 1886457 · PGC 1886693 · PGC 1889040 · PGC 1890526 · PGC 1910865 · PGC 1916717 · PGC 1920142 · PGC 1924451 · And 27 more.

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M 33, Triangulum Galaxy

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M 33, Triangulum Galaxy

My second image with the new camera, this time with a IR-Cutoff (i. e. Neodymium which slightly enhances some lines in addition of blocking IR). I integrated the subs i took the day before, but decided to upload this one as a new image and not a revision. The reason is that i changed the FoV and the galaxy looks completely different than without the filter, so in my eyes this is a completely new image than the one before. And - as expected - the Neodymium adds more blue and red to the image and is a bit harder to color-calibrate, but the colors are more intensive i think.

Funny thing: I figured out that the QHY contains some sort of internal filter-chamber. The camera is clamped, not screwed to the optical train. At that point where you clamp the cam there is a thread where you, if you own the right adapter, can attach a filter without adding any mm to the distance between camera and reducer (or simple said: You can attach a filter without changing the optical length). I doubt that this is intentionally, but it is perfect for me, because the Riccardi-Reducer is very, very sensitive when it comes to distances. So i can change my filters without worrying of distances! Great! Maybe i'll post an image of that solution.

Original
Final
B

B

Description: New postprocessing workflow

Uploaded: ...

Cooled Color Cams
The refractors!
QHY Users Group
Astrophotography Germany
"Nordish by nature"
The OSC Club (One Shot Camera)

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Status	Advanced success
Started	...
Astrometry.net job	6822461
PixInsight job	YZ9UVKBN63GVTT170BOCYR3JVFF49C0O
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	01h33m53s.48
RA (top/left)	01h28m43s.60
RA (top/right)	01h32m09s.66
RA (bottom/right)	01h39m00s.27
RA (bottom/left)	01h35m40s.20

Dec (center)	+30°39′37″.8
Dec (top/left)	+31°11′23″.0
Dec (top/right)	+29°29′20″.7
Dec (bottom/right)	+30°07′04″.5
Dec (bottom/left)	+31°49′41″.5

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M 33, Triangulum Galaxy

M 33, Triangulum Galaxy

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M 33, Triangulum Galaxy

M 33, Triangulum Galaxy

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