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Everything posted by matthasboldlygone
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When you're just off to bed and you look outside to clear skies, warm comfy bed or cold damp patio... 🏆 69 x 2 minutes Some darks and bias files, flats not working Location : UK. East coast. Weather : Clear sky, temperature 3c to -1c Moon : 50% setting after first hour Sky : Bortle 4 - 5 Scope : Skywatcher Evostar 100ED DS-Pro + 0.85 Reducer Camera : ZWO ASI294MC Pro | Temp -10 | Gain 120 Guide : ZWO ASI120MM Mini guide scope Mount : HEQ5 Pro Rowan Capture : ZWO AsiAir Pro Heating : Lynx Astro 4 Port heater controller + straps Processing : Pixinsight
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Guiding cross hair question
matthasboldlygone replied to Chefgage's topic in Getting Started With Imaging
Is that just the drift on the Dec axis which isn't being guided? It knows it is off target but can't do anything about it? That's my guess -
M81 Bodes - 3 months progress
matthasboldlygone replied to matthasboldlygone's topic in Imaging - Deep Sky
Thanks @mikemarotta , I am in two minds about the whole write up side of it. I'm probably not at the stage where I could answer any of those questions reliably. As a technical writer you'll appreciate knowing your subject before passing on knowledge. I'll have a think about doing a write up of what I did during the night, problems I encountered and how I got to the final image. Could be helpful or just amusing to other beginners. 👍 -
I do like this target but struggle to not over process it, I know there's lots more in there... still fighting with calibration frames, getting there. 50 x 2 minutes Some darks and bias Scope : Skywatcher Evostar 100ED DS-Pro + 0.85 Reducer Camera : ZWO ASI294MC Pro | Temp -10 | Gain 120 Guide : ZWO ASI120MM Mini guide scope Mount : HEQ5 Pro Rowan Capture : ZWO AsiAir Pro Heating : Lynx Astro 4 Port heater controller + straps Processing : Pixinsight
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M81 Bodes - 3 months progress
matthasboldlygone replied to matthasboldlygone's topic in Imaging - Deep Sky
Thanks @geeklee I'll keep an eye on those stars when I try processing it again. Did try to pull out a bit more colour but there's some haze around the middle and it turns blueish. Need to get my Flats sorted out I think.. -
I was very happy with my first attempt in September with a Bresser 102 and planetary camera ... Some new equipment and practice and it's improving .... 42 x 2 minutes Evostar 100ed + 0.85 reducer ASI294MC Pro -10, gain 120 HEQ5 Pro AsiAir - guided Struggling with Flats but will hopefully solve that soon. They're a pain.
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I use two of these 12v 10a power supplies. https://www.amazon.co.uk/gp/product/B07PDFKGW7/ One powers the AsiAir -> Camera cooler and mount, and the other powers the dew heaters. All seems to work ok.
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So nice to get 3 galaxies for the price of 1, and after last weeks failures very happy with this so far. Just a quick process, but I will acquire some flats and improve it.. 60 x 2 minutes Evostar 100ed + 0.85 reducer ASI294MC Pro -10, gain 120 HEQ5 Pro AsiAir - guided
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Shame about the purple blob Enjoying taking snap shots of these bright objects, make's me feel like a pro. SW Evostar 100ed + 0.85 reducer ASI294MC - cooled -10c HEQ5 Pro rowan ASIAir Pro Pixinsight 50 x 2 minute - no calibration
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Another badly framed shot First time on this target for me, it's sooo big and bright, hard to miss it. Well worth waiting up for. I also got 30 x 30 seconds and 30 x 15 seconds to try and merge together and recover the core detail, but for now this is the 2 min exposures. Skywatcher 100ed pro + 0.85 reducerASI294MC, cooled to -10cHEQ5 Pro rowanASIAir ProGuided and dithered every 5 frames45 x 2 minutes - 1.5 hoursNo darks, flats or bias
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Looks like this will have to be another mosaic project and could have been framed better. First time out with dew straps and camera cooled to -10c, stayed clear till 3am so I got lots of goodies but I did have to stay up and nurse the guiding which kept stopping for no reason. Need to work on my star processing. Skywatcher 100ed pro + 0.85 redcuer ASI294MC, cooled to -10c HEQ5 Pro rowan ASIAir Pro Guided and dithered every 2 frames 60 x 2 minutes - 2 hours No darks, flats or bias
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A quick look at M33 Triangulum
matthasboldlygone replied to matthasboldlygone's topic in Imaging - Deep Sky
Added another 100 exposures last night and tried another processing session. Think it has better contrast and was easier to process and better colour. SW 100ED - 0.85 reducer ZWO294 MC - cooling not turned on, bin2 HEQ5 Pro Rowan ZWO ASIAir Pro 185 x 60 seconds, gain 120 (over two nights) No darks, flats etc Stacked, stretch and simple process in Pixinsight -
Lost 2/3s to clouds but ended up with about 90 minutes. Happy to get out and capture anything at the moment with all the cloud about. SW 100ED - 0.85 reducer ZWO294 MC - cooling not turned on, bin2 HEQ5 Pro Rowan ZWO ASIAir Pro 85 x 60 seconds, gain 120 No darks, flats etc Stacked, stretch and simple process in Pixinsight
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M31 - First play with new toys
matthasboldlygone replied to matthasboldlygone's topic in Imaging - Deep Sky
Sounds like a coffee order No darks or anything else at the moment, camera wasn't cooled so temp varied 6-11c. Working my way up one feature at a time. Next time hopefully cooled camera with no calibration. Interesting to see what the difference will be. -
M31 - First play with new toys
matthasboldlygone replied to matthasboldlygone's topic in Imaging - Deep Sky
Added another hour of 60 seconds, 3 hours total, tried dithering on the asiair, seemed to work but needed some tweaking to get the settle time reasonable. Added quite a bit of time doing it every 60 seconds. Yet another processing session.. Time to plan a mosaic I think, 4 tile should get it all in nicely. -
Heating mount under scope cover?
matthasboldlygone replied to Concretedan's topic in Discussions - Mounts
Been thinking about this as well, maybe something like a PC fan to extract air from inside the cover, or maybe just a vent at the top. Got to keep the air moving. Looking at ways to pump warm air from the house into the cover, or draw air from outside but feed it through a filter -> dehumidifier -> heater All this work to save me 15 minutes setup time 😄 -
M31 - First play with new toys
matthasboldlygone replied to matthasboldlygone's topic in Imaging - Deep Sky
Tried mixing from both nights, added some dark frames but they didn't seem to do much. About 2 hours total and another processing session ... not sure if they're getting better or worse -
M31 - First play with new toys
matthasboldlygone replied to matthasboldlygone's topic in Imaging - Deep Sky
I was hoping the thing in the top right was a big blue star Agree with the green, didn't see it till you said. Having another go processing it with some darks tonight. -
M31 - First play with new toys
matthasboldlygone replied to matthasboldlygone's topic in Imaging - Deep Sky
Tried again last night, all the same settings but 90 x 1 minute subs this time, and bin2 just to reduce file size for my old laptop. Wish I could get it all in frame, not keen on the cropped view.. -
With so many new bits I was happy to get anything at all. All the features of the ASIAir worked well, handy focus tool, sync with mount, go-to and plate solve, guiding. Only had a short time before the dew landed, I'm waiting for dew straps. Cyan stars don't look right? SW Evostar 100ed + 0.85 reducer ASI294 MC Pro - not cooled this time, ambient was 11 - 8c ASIAir Pro HEQ5 Pro Lights - 80 x 30 seconds - 40 minutes Darks, Bias, Flats - none Pixinsight stack and fiddles