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hello all.. i'm hoping someone can help me here. i'm trying to hook up my SW EQ3 Pro SynScan mount and ZWO ASI120MC guide camera with PHD2. I haven't done any auto guiding before, so forgive me if my questions are a bit dumb.. I've read quite a few bits online, but get confused with the terminology half the time. I've got my guide camera connected to my laptop via USB, and the SynScan connected via ST4 to USB too. I've downloaded and installed all the mount drivers I need (I think?), but nothing seems to happen when i try to control the mount with PHD2. Any thoughts or advice would be gratefully received and acted upon immediately - it's clear out tonight! If you can, please help.. you're my only hope. Thank you.. RAWz. ps: I have posted this question in another thread, but feared it may get buried. My setup: Skywatcher ED80 Pro Telescope + Skywatcher EQ3 Pro SynScan Mount and Tripod + ZWO ASI120MC Guide Camera + Canon EOS 550D + Microsoft LifeCam Polar Cam + PC or MAC.
I scrapped all the Oiii and Sii data I previously took during a full moon (about 15 hours worth) and retook it all when the moon was a bit smaller at 76%. Ha was taken during 98% and 67% moon. All the lights were taken on the following nights: 12th, 19th and 20th September 2019. Integration times, all in 600s subs unbinned: Ha = 28.33 hours Oiii= = 5.67 hours Sii = 5.67 hours The Ha data is really nice, and unsurprisingly the Oiii and Sii is not as strong (or nice). I'm missing that (vital) step in my processing routine of getting the Sii and Oiii properly stretched to match the Ha, before combining. I dont really know how to deal with the weaker data properly. Any pointers would be appreciated. What I do currently: All the data is loaded into APP into separate channels/sessions. The data is stacked and registered against the best Ha sub This produces individual stacks of Ha, Sii and Oiii that are all registered Each channel is processed with DPP in APP and then saved as a 16bit TIFF Each is opened in PS Stars removed with AA and any remnants removed and tidied up I then open a blank RGB document in PS I paste Ha into Green, Sii into Red and Oiii into Blue Adjust the selective colour settings to get 'Hubble palette' Adjust levels, curves, saturation until looks ok All the Ha Sii Oiii data is then combined together in a single 'super' stack in APP using quality weighted algorithm to create a 'luminance' That luminance layer is adjusted using levels, curves, and NC tools such as local contrast enhancement and deep space noise reduction (using masks to apply as required) The luminance is pasted onto the above colour layer, and incrementally added using gaussian blur Cropped and saved. Here it is anyway I haven't intended on any more exposure time for this one, but will consider it, if the expert opinion dictates otherwise! CS Adam