Catanonia

Already had it, see my M51 image

Not yet, only got the trail yesterday

I re-did with a 2x integer re-sample. The colours are slightly different as I might have added a little more saturation. It makes a "small" difference

Yes noticed this myself. Will give your suggestion a go and see what happens. Can you simply integer resample the integration of the OSC after calibration and debayering, or do I need to split it into LRGB ?

Thanks It is a hard decision. OSC is much easier if you are new to it all, but Mono will give better results. I used to use mono, but the switch to OSC with modern camera's makes the hobby much more rewarding for me with limited night sky time due to the horrid weather in the NW of England. I have the lEnhance filter too, that I can use (not in this image) if I image large nebula's with my RASA8, but that filter will loose you star colours and the blue in the nebula's

Totally amazing. All mine with the RASA8 have been nowhere as detailed or crisp. The beauty of dark skies compared to my rubbish Bortle 6. Well done @ollypenrice amazing image buddy

Oh this is amazing work and how you seamlessly put the mosaic together from so much varied equipment.

Had another play at this taking on board the suggestions and I think I am getting a better result. Many thanks to @gorann and @ollypenrice

I have been imaging for many years, but there is always time to learn some new tricks with old data. So I picked up a BlurXterminator trail and learnt the new spectro / gaia colour calibration routines and put it to work on my M51 data I collected last year with my RC10 I am blown away with the improvement learning these 2 routines have given me with the image below. I did not even take my time on this processing, probably about 1 hour Deconvolution as always been a dark art for me, and I have never done it on my linear images and have therefore always suffered. BlurXTerminator (if used carefully) just takes this whole hassle away. Details M51 13 hours from Bortle 6 skies over 3 nights Scope - RC 10 F7 2000mm FL on a EQ8R-Pro Camera - ZWO 2600MC Pro OSC and no filters ASI Air Pro and 120mm OAG guide 7.3 Hours in 2m subs OSC 5.6 Hours in 5m subs OSC Processed entirely in PixInsight

@ollypenrice Lovely image and great to see you pushing the RASA out of its comfort zone. Added this to my "To Try" list

Could you give me a rough workflow on the processing you did please. Top level will do, I can work out the rest

Not a problem and I am definately missing a lot of detail, thanks I decided to go back on this too and also use the new Spectral Colour Calibration in PI. Looks a lot better with a little more effort in the lum portion of the image Amazing how your processing gives such a different outcome. This is what I love about this hobby, everyone is an artist Still a lot to learn, even after 8 years

It is a tough one in OSC with no filters, but the power of F2 is something to behold

Still keep looking at Olly image and the more I look, the more it looks like a ruined sub due to cloud cover Got me thinking now about buying a 135 lens

wow, that image was some dedication Sometimes I wonder whether to buy a camera lens for wide field rather than doing mosaics. The only real benefit I see to mosaics is if you want to do large prints with them, otherwise it only serves the pixel peeker / zoomers out there

Thanks buddy, yeah the RASA is a light bucket. I used StarNet2 in PI to remove the stars before processing the nebula and then added the stars back again after the work. Still learning some new techniques and desperately trying not to over process the data that I have been guilty of previously.

Ah. explains all Amazing image and spent about 1 hour aligning with mine to see if I had gotten a true IF or processed induced (made up) IFN

oh that is sweet @ollypenrice Unusual FOV, was yours a mosaic ? Attached is mine with RASA8 and that FOV you have is mesmerising. !!!!!!

I recently bought a new cable router 3D print from the YouTuber Steven Morris (well worth the £12 download if you have a 3D printer) I am quite pleased with the results especially considering I took the RASA 8 apart to clean the inside of the corrector lens, mirror etc and had to hand collimate it myself. Hint, a OCAL collimator works well if you understand the physics I have a little camera tilt that if you really pixel peek you will see. I will tackle over the summer So here is the Flaming Star Nebula Details RASA 8 on SW EQ8R ZWO 2600 MC Pro OSC with no filters 5.5 hours in 3min subs 1xbin Bortle 6 skies All processed in PI start to finish

I am pretty sure it is an artefact as it appears very very faintly on some of the other mosaic images in exactly the same sensor spot. This would indicate something in the image train. The movement was due to images not being exactly pixel perfect aligned. A quick alignment of the subs showed it to be in the same spot of the sensor each time. Just some images brighter than others. It appeared suddenly in this section of the mosaic due to a meridian flip (noting the times) and hence moved to a different part of the sky where this part of the sensor imaged. Definitely not (as expected) aliens Now to try and work where in the image train the problem is. I suspect something rogue on the sensor glass, but hard to believe as it has not be dismantled for months and never seen it before. Will check the flats too

Forgot to add it was using OCTO long enhance filter but can’t see who this would magically make this artefact appear after 30mins

Checked Stellarium, nothing of interest Other subs in different parts of mosaic taken 3 mins before don’t show this on image. So not image / camera train as far as I can tell. artefact appeared after 30 mins of subs where it did not appear camera and sub specs not changed during this image train. it appears to move by about 100 pixels back and forth against the star background. Appeared in roughly same place fore last 2 hours. totally confused

I have had this blue area that looks like a planetary nebula suddenly appear in one of my images that was not there 30 mins ago. I have no idea what it is and am racking my brain, comet, flare, planet, plane, satellite. but it suddenly appeared after 30 mins of subs and moves slightly against the stars. it does not appear in any other images that I am doing as a mosaic. I am sure it is not something undiscovered, but a 2nd opinion check is worth a aslk see the image attached. Go east from the horse head and you will see a circular blue structure at looks out of place. image is a single 3min 2x bin unedited sub from rasa8 and 2600mc pro As said before, does not appear in any other panels of my mosaic so ruling out image train ‘ camera problems and it is moving randomly (outside of dither range) if I have found something, i hope I have booked my bunker place thank you.

Thanks Olly, much work to do on processing all of this data. I have another 30 panels for the star field, not sure if I am going to need to use them, time will tell.

Spent about 3 hours this morning on the mamouth task of stitching these panels together. Messing around with DNALinearFit and other tools, trying to get the panels to match considering they are from different conditions over the course of nearly 3 months. Here is a 1st pass screenshot of my progress of stitching. Still a few issues around the middle of the image to work on, but the key here is to save your work regularly and give the directories good meaningful names for when you constantly go back to a previous. (Only screenshot at this stage as the image is HUGE !!)