Popular Post Astrobdlbug Posted February 5, 2021 Popular Post Share Posted February 5, 2021 (edited) Last Wednesday eveing the skies cleared while I was out walking the dogs - so instead of Wednesday lockdown film night with my wife - I dissappeared outside to see what I could image in about 2-3hrs - that was not Auriga !! Started looking at Horsehead with Bernards loop as a frame - but at this time of year Orion is rapidly heading down west and the hedge and trees have, as is their want, grown taller and were in the frame - so a rapid rethink took me up and east to The Rosette - a lovely nebula that I have imaged in RGB braodband - but I thought a quick hour Ha and hour OIII would suffice. I have cropped the image below right and top as at end of the OIII subs the trees were back in the frame. at top right resulting in some mad gradients - I didnt want to throw any subs away as I only had 15 !! I used APP to integrate using master flats and darks. Moved into Pixinsight and ran DBE on both Ha and Oiii, then ran ezdeconv script on the Ha and a histogram stretch on both Ha and Oiii before using Pixel math to combine into HOO. Then moved into PS CC and used some topaz denoise - seems to be a marmite program in the astrophotography world - I'll only say I use very small denoise settings (5) in 'night mode' I do not like the sharpening algorithm - ok nuff said and Topaz declaration over. I then used Peter Sha's reduce stars and a bit of selective sharpening after applying unsharp mask on a layer then masking that layer and 'painting' over the interesting bits, mostly the 'boks' and some of the gas formations. An finally a tweak of colours with selective colour tool. So here we go - first image on the new forum format - which I really like BTW... Samyang 135mm at F2 ASI1600MM Cool - Gain 200 ; Offset 50 ; -20degC Optilong Ha (7nm) Optilong Oiii (6.5nm) Ha 15 X 240s Oiii 15 x 240s A 2 hour image... Bryan Edited February 5, 2021 by Astrobdlbug Updated to link to HiRes Astrobin version 11 Quote Link to comment Share on other sites More sharing options...
Gina Posted February 5, 2021 Share Posted February 5, 2021 Very nice 👍👍 1 Quote Link to comment Share on other sites More sharing options...
geoflewis Posted February 5, 2021 Share Posted February 5, 2021 Very nice Bryan 👍 1 Quote Link to comment Share on other sites More sharing options...
Padraic M Posted February 5, 2021 Share Posted February 5, 2021 Super image! 1 Quote Link to comment Share on other sites More sharing options...
Astrobdlbug Posted February 5, 2021 Author Share Posted February 5, 2021 Thank you I'm going to go over to one of the new forum threads to ask for advice as my image looks very 'soft' on the forum - think there must be a image reduction algorithm working in background as my 28Mb PNG seems to have been reduced/resized to 1.98Mb Quote Link to comment Share on other sites More sharing options...
Dmack1 Posted February 5, 2021 Share Posted February 5, 2021 That's a lovely image. Unusual to see the rosette in wider field and I really like it. 1 Quote Link to comment Share on other sites More sharing options...
Astrobdlbug Posted February 5, 2021 Author Share Posted February 5, 2021 Apologies - bumped the post as I've just, with John's assistance @Jkulin worked out how best to post images and get a link to Higher resolution verision posted up on Astrobin - without having to leave this wonderful new site 🙂 Bryan 1 Quote Link to comment Share on other sites More sharing options...
MarkAR Posted February 6, 2021 Share Posted February 6, 2021 That's gorgeous, nice stars and lovely colours. 1 Quote Link to comment Share on other sites More sharing options...
peter shah Posted February 6, 2021 Share Posted February 6, 2021 That's a great rendition. I love the unusual framing 1 Quote Link to comment Share on other sites More sharing options...
Astrobdlbug Posted February 6, 2021 Author Share Posted February 6, 2021 Thanks Peter - as explained the framing was dictated by incursion by a tree in the Oiii subs - but it has got me thinking I could go for another mosaic and pull in the greater Monoceros nebula that’s down and left relative to my image - probably has a proper name but not researched that yet...need some clear spells before end of February otherwise the hedge wins.. Bryan Quote Link to comment Share on other sites More sharing options...
Bob-c Posted February 6, 2021 Share Posted February 6, 2021 Lovely image well done. Bob. 1 Quote Link to comment Share on other sites More sharing options...
P Holdsworth Posted February 7, 2021 Share Posted February 7, 2021 Superb image. I love the framing 👍 1 Quote Link to comment Share on other sites More sharing options...
Padraic M Posted February 7, 2021 Share Posted February 7, 2021 Lovely image Bryan. Great to see the widefield around the Rosette. 1 Quote Link to comment Share on other sites More sharing options...
Jabberwocky Posted February 7, 2021 Share Posted February 7, 2021 That's a stunning image, love it. It's a target that I have never really had a go at. I really must get round to it. 1 Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.