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PeterW

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Everything posted by PeterW

  1. Pyle you post a list of the 20, maybe in nominal brightness order, be good to add to sky safari and go after sometime, seeing that Cassiopeia is so well placed at the moment. Peter
  2. Satellite flares are always slowly moving. peter
  3. Likely to be starlink. Many travel on similar orbits. I have watched a slow procession of flaring satellites one after the other, even though nothing was predicted, as the flares come from glinting reflections off of flat shiny bits of the satellites, like the Iridium flares of old. Twilight will likely be full of such stuff Peter
  4. Interesting upgrading the RACI. I don’t get much use from the 9x50, mainly just poke the laser down its eyepiece to stop me having to bend down to get the scope in the right rough location. Then starhop through the main scope… SkySafari providing suitably invert/rotated views so life is good… no mentally flipping the chart view like we used to have to do! Goto is nice, but you lose the connection and the context of what you’re looking for/at. More satisfaction when the object you’re after suddenly appears where you expect it to be. peter
  5. I had a CCD blue filter on me for another reason and OK the views was very blue, by the spot and belt detail just jumped out when we popped it in…. The view was bland when we pulled it off. Not sure how it compares to a written 80a though. peter
  6. Was very steady last night, got my best ever view, made yet better with a blue filter I happened to have with me. Peter
  7. Wanting to use both eyes gets expensive on the eyepiece budget… why I don’t own a truck load of eyepieces like many other people I know… 😉 Peter
  8. I moved from 13T6 to Morpheus on the 70mm bins as I expect I will need the extra eye relief soon and I didn’t like their distortion in the daytime). @Captain Scarlet quite liked the daytime views earlier this year. I like giving both eyes the chance to enjoy the views… Peter
  9. Be careful where your breath goes as it will rise up, maybe deliberately blowing sideways will keep the warm moisture from rising into the eyepiece when viewing. Keeping eyepieces in your pocket can help too. Peter
  10. Maybe antifog spray could help. We had a breezy that seemed to keep the dampness at bay. Peter
  11. I rarely extend the shield on my mark II, not that it is too flimsy…. though I’d certainly wouldn’t attach a phone holder to it.. Peter
  12. Bluewalker3 a satellite with a huge reflective surface was launched recently, but I’ve not seen any reports of people seeing it and it would be travelling north/south(?) Peter
  13. No, just “round the corner” from both of us. It seems we live within a short scope-dragging distance each other. So skies around mag19 (probably worse as the LEDs may be skewing things to look darker). Peter
  14. Happy to help. Very nice views when we got it collimated. I’ll have to “make a list” for next time and bring a filter or two. We used pretty much every second we could, complete cloud out at the end, not even the moon escaped. Peter
  15. Moon will need some power, maybe one of the angled eyepiece binoscopes that people like explore scientific, apm or overwork offer, though your budget would probably mean you’d get the achromatic models, so possibly some chromatic aberration at higher powers. You can swap eyepieces (the ultra flat field models do a good job) to change the magnification, exceeding fixed power models and the angled eyepiece makes tripod use easier too. You can pop in 24mm eyepieces and have wider fields for DSO if you wish. I have some 70mm and also find them rather useful as a two-eyed spotting scope for daytime use. Peter
  16. Inuse one of those ultralight camp chairs that you pop together Al piles like a tent, the high back and normal do just fine as I slump down in them to reach higher elevations. Much easier to carry about. Only issue is the small foot ends that like to sink into soft soil…. You can get ball attachments to avoid this. Peter
  17. … got to keep Occam’s razor nice and sharp… Peter
  18. Anything from the sharpness catalog. IC1318 around gamma Cygni, sharpness 119, IC 5068, monkey head, Pac-Man, plenty of next level down objects to point the h-beta at. Really potent filter for seriously improving the contrast, just also tends to kill the stars off too. Peter
  19. Not noticed anything wrong with physics, things still seem to fall downwards, kettle turns on when I turn it on….. I would suggest that we pay more attention to measurement and measurement uncertainty, to help us be able to critically decide on the significance of measurements and to put limits on theories. Theorists need to dream and model and hypothesise, but without something novel that can be predicted and observed it can tend to philosophy. Got to say that quantum weirdness seems to be coming up with all sorts of clever science applications at the moment, so physics can’t be too broken. I tend to stay at the “whack with hammer” scale of things personally, let others play with some quantum/bio stuff. Now you’ve got me started, we also need to do more boring scientific reproducibility… although science doesn’t like people “just repeating” things others have done…. When people try sometimes they find than things can’t be repeated and thus may have been wrong in the first place…. Scientists disagreeing is how things work, different experience and ideas, trying different things until they convince each other that they have a plausible answer (until someone finds a new insight and things move forwards). Being wrong and learning something new goes with the job, keeps things interesting. There is a risk of thinking that science doesn’t know all the answers, true, but it knows plenty about a lot of things demonstrably better than most other approaches and knows plenty about a lot of things. Peter PS I always think that a good bit of optical alignment, especially involving getting light into optical fibres is good for you well-being! It’s a pity that so many lasers are now “permanently aligned”…. No fun L!
  20. I always store mine with the battery and lid out so I know it’ll fire up when I need it. My eyesight isn’t friendly with the old analogue calipers…. 😞 Peter
  21. The papillo fill the “close up” niche and are my “don’t have the space the carry a proper pair of binoculars” too. peter
  22. I’ve noticed that starlink satellites can often produce short rapid brightening a a little like the old Iridium ones. If I notice one I keep looking on the general direction and often I then see several more in the same area. Often the duration of the flash is quite short and you can’t see them before or after. I don’t find the starlink predictions especially good, been out to see passes and seen nothing and seen things that were not predicted. Very fast is likely a meteor. peter
  23. 60degree apparent field of view of larger gives a more immersive view, but getting nice edges is less common, if that is an issue. With binoculars you should look in the centre of the field and pan the view, rather than your eyes as keeping your pupils lined up with the exit pupils only really works when looking straight ahead. I am a porro user, but no reason that roofs aren’t any different. The type of glass is not really an issue, I’d look at reviews for chromatic aberration, eye relief and the size of the sweet spot (how wide the sharpest part of the view are). Then your personal preferences and budget will find an option. For Astro you’ll want a rock stable view, the pistol grip on monopod than many here use is very good standing or reclining in a chair. peter
  24. No mention of “they’re fragile as they’ve got gubbins in” or “they rely on batteries” yet?!!! Good to hear that people are just using and enjoying them. I don’t have any end caps, but I have kept mine in a peli1150 case all their increasingly long life. If/when the rubber goes all icky you can rub the worst bits off using IPA soaked alcohol swabs. I find mine fit the “binocular or spotting scope” gap well, using them one handed people think you’re mad, but the view i still nice and steady. Have to say I’ve seen almost none of them out and about, seems the lack of advertising means others don’t discover their potential. @Stu, @Captain Scarlet you’d enjoy them! Peter PS when the batteries need changing they can give some off putting image judders… you’ll think they’re bust… put in new batteries and normal service will be resumed 😉
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