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About Sp@ce_d

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  1. Looking good, very nice whirlpool.. one of my favourite targets. I was thinking of having another go with my current setup, not done this since my C9.25 in 2015. Guess that's for next year with the Moon heading up & Astro darkness rapidly running out now. We have been lucky with the clear nights recently though.
  2. I had "That Moment" of shock when I first got my QSI683 back in 2015 after being so used to the Sony sensors. Mine looks worse than yours! Dithering makes an amazing difference and anything else left is sorted by PI preprocessing for me. I love this camera/chip, it may be old tech now but it still produces dependable results and you know what they say.. if it ain't broke...
  3. So the topic is scopes.. From what you've listed I'd just say Esprit 80 & be done with it wandering OT slightly.. you're talking about 2" filters.. now bear in mind that none of the scopes talked about so far will cover a sensor larger than one's that can't be used with 36mm filters. The size of which requires 2" filters (full frame?) So, normally spend money in this order... Mount, Scope with well corrected optics FL/FOV for intended targets etc., imaging device + filters... etc.
  4. +1 for the Esprit 80's, I have two. Why do I have 2?.. Well, I already had one from the first batch and thought I'd try out the GT81 when they came out to compare. I'd already had WO scopes before but It was awful, star shapes were naff (lens clips didn't help) and the focuser fell to bits before I'd even got a camera on it. I persevered put it back together but it wasn't for me, I'd already been spoiled by the Esprit. It went back & was replaced with another Esprit 80. As with the first one, great out of the box! The only thing that has slightly bothered me sometimes is the foot, as
  5. They do tend to sound a bit like a bag of spanner’s on start & stop but yours definitely doesn’t sound right. I can hear a regular clicking too. If it’s not under warranty and you feel competent I’d be pulling it apart & checking gears & tolerances etc. Maybe think about a belt mod while you’re in there.
  6. It used to be pretty accurate but it does seem to have gone down hill for a while now. Often I see the opposite to its forecast. I suspect the quality of its sources and the general perceived worsening of any clear skies in uk now don’t help making a decent forecast. I do what others have said with checking sat24. Luckily I have the Obsy automated & the Cloudwatcher ultimately makes the decision but even that needs tweaking as the season changes.
  7. Wow all that data in the space of 5 months... lucky you yeah I like the California too. I’ve never got the complete thing as I have to do mosaic and of course I never completed it with mono & uk weather since I started the last attempt 6 years ago!... 5 months ay.. lucky you
  8. Nice one. I’d forgotten about grabber, used it years ago but don’t remember autofocus on it either! I know what you mean with Maxim, I’ve used Focusmax for years instead. Works a treat with maxim & ACP.
  9. This is the only one I know of that covers LED's.. https://www.firstlightoptics.com/idas-filters/idas-d2-light-pollution-suppression-filter.html
  10. Here you go.. I'm still saving for one ... https://www.firstlightoptics.com/flat-field-generators/optec-alnitak-flip-flat-gen2-flat-fielder-and-dust-cover.html
  11. 314L+ is a super little camera & for many of us our first mono CCD.. doesn't really need darks & quick to preprocess. Ended up with 3 of them. One lived on my RC10 for over 5 years! Even though I've not used them for a while now I still can't bring myself to let them go I was experimenting with first light on my ASI 2600MC under the full Moon with an IDAS-NBX & decided 180 subs was best compromise although I'll probably go 300 when there's no Moon about. However, when it comes to processing.. wow.. I reckon I'll need to add a week onto the time for calibration, noise re
  12. Extracting Red and Green channels will give you the Ha & OIII as near as. Then you could try combining them to create a synthetic 3rd channel.. you'll have to experiment, 30 - 70% blend I've seen mentioned. One of the PS actions had a synthetic channel action, can't remember if it was Annies. Then try process those as SHO. I think it very much depends on the target how effective these filters will be. The target will need to be quite strong in OIII to show through as Ha is dominant in most. I just about always have to capture much more OIII & SII with the mono cameras to balance f
  13. Not sure about PS. I was playing around in PI with my first light subs from the ASI2600MC & IDAS-NBZ under full moon at the weekend.. I googled "map OSC to narrowband" there's some interesting different approaches & some threads on cloudy nights worth having a look through if you haven't seen them. You could apply the same approach as one would normally process SHO mono in PS by splitting out the channels as described in some of those threads. Of course if you haven't already seen it, this is the one I followed when I used to use PS many many Moons ago http://bf-astr
  14. Condensation.. my QSI is bad for it if I cool straight away after powering up when there's moisture about. Power it on and leave it warm for a bit, it's just the shock of rapid cooling.
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