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RK93

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About RK93

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    Poland
  1. Hello! This is my old observing report from one winter night- December 26/27th, 2014. I decided to post it here, because it was an amazing experience. I still owned my 7-year old, 8" Dobsonian then. And during my 7 years of obsering, I've never experienced weather conditions quite like then (26/27 Dec). The seeing was unbelievable. It was a 10/10. It was like the atmosphere didn't exist at all. I had an impression of watching a picture, not a real image. With 6mm NLV eyepiece and 2x Barlow lens (400x), the picture was completely steady. No movement at all. The detail on Jupiter was incredible, I could see the irregularity at the edges of cloud belts. I also detected cloud belts I didn't ever see before. But the best part was the Galilean moons. The disks of Ganymede (1.6") and Callisto (1.3") were just obvious, and disks of Io (1.1") and Europa (0.9")- clearly visible, but noticeably smaller. I couldn't believe my own eyes.I was watching this for about 2 hours, until I went back home, freezing cold, still thinking about the scene I just witnessed.I didn't even think that Europa's disk can be seen from the Earth using such a modest equipment. It was a night to remember. And after 9 months, I still have a smile on my face when I recall it. Radek
  2. Well, I'm still confused and I don't know what to buy, but I'm leaning toward LVW22- I used LVW17 and LVW8 in this scope, and I own LVW13, and all of them are sharp almost to the very edge. So I guess LVW22 will be, too. And the LVWs are really comfortable. I checked the FOV in Stellarium, too- it's not that bad. Of course, the extra 31% of FOV is tempting, but I'm too afraid the extra field would be not useful. Maybe I will borrow an 24mm 82* ES and see how it works- I don't know anyone who owns Maxvision 24mm, though. Thanks for all your help! Radek
  3. Thank you all! I will certainly be posting more reports. I live at the very edge of a small town (15k inhabitants), but after a 30-minute car drive I can be at a really dark rural area- I'm guessing 6.5 NELM or better- that area is black on light pollution maps, there are no nearby cities, just little villages, and these are no lights visible on the horizon. I will have to check that (I were there at dusk a few days ago, couldn't stay longer), but I think that will be a great site. Also, my 15" is really portable, I can assemble it on my own in a few minutes, and its fits perfectly in my car's trunk- I cannot ask for more Still, there are places in Poland (like Bieszczady Mountains) where, during solar cycle minimum, people reported seeing M81 with the naked eye- NELM ~8.0. I was in that mountains twice, and that was amazing- I never saw that many stars, and Milky Way shining so brightly in my life- easily NELM 7.0.
  4. Hello! This is my first report on SGL. Equipment: I recently purchased a 15" truss dobsonian (wrote about it in my welcome thread) and had an opportunity to try it out. I used borrowed ES 24, LVW 17, LVW 8 and NLV 6, as I'm still completing my eyepiece collection. Conditions: I was observing from my backyard. The sky isn't really spectacular here, typical suburban/rural sky, I'd say. I was able to detect a 5.6m star in Sagitta quite easily with averted vision. M13 visible with averted vision, but with effort. M31- easy, even low above the horizon. Objects observed: M57- extraordinary. In my 8", it was really dim in 200x. Here, even at 280x, it's just glowing. Really bright, ring is just obvious, asymmetry is clearly visible along with brightness irregularrities on the nebula. Central star not visible. M27- same as above. Great amount of detail not seen before, really bright, a few stars visible across the nebula, along with the central star (visible with averted vision). M71- angelfish shape detected really clearly for the first time. M13- no words to describe it. The view is unreal, almost like a photograph. Stars are pouring out of the eyepiece. NGC6207- bright, elongated galaxy (~3:1), with starlike nucleus. M92- another beautiful globular. It seemed a bit elongated. A lot of stars at the outer edge of the cluster. Great object. Double Double- always nice to see them. The best view at 280x. M56- another object in Lyra, not fully resolved at 100x, the core remained a bit misty, but a lot of stars surrounding the cluster are a beautiful addition in lower magnifications. Then, really low above the horizon, Sagittarius: M8- UHC-s filter helped a lot, made the dust lane visible. Big, great-looking object, but I will have to wait util the next summer to see its full beauty. M17- completely different than M8, but UHC-s also helped a lot. Great contrast and a fair amount of detail in the nebula. M16- only a faint mist surrounding the star cluster. A few clusters popped into view while I was roaming around Sagittarius- M22 and a few open clusters. I also observed clusters in Ophiuchus, including M14, M9, M10, NGC6356 and probably one or two more, which I don't remember. Unfortunately, due to their low elevation and light pollution, I didn't see much detail here. I also visited IC4665, but it was too large to fully appreciate its beauty. Then I spent a surprisingly large amount of time looking for NGC6760 in Aquila- another little globular. NGC6934- my favourite object in this area. At 200x, it looks like M13 in a small scope. NGC7006- interesting object. Very distant (~136kly) globular cluster. Quite easy, but unresolved even at high power. A few stars seen at the edge using averted vision at 280x. Cygnus Loop- even though I don't have an OIII filter, only UHC-s, it was a mind-blowing view. NGC6960 is just awesome, with sharp, pointy edge splitting into two parts, and detail visible between them. NGC6992- silver filaments filling the view. A lot of detail to study. Coming to an end, I looked at M31 with its satellites. Two dust lanes of M31 easily visible, but this galaxy is far too big, I need a Nager 31 for it Then I pointed the scope at Cassiopea and spent a while admiring NGC457/437, M103 and M52. All of these clusters looked amazing with great amount of stars visible, but NGC457 is just mesmerizing. It was a great night. I am discovering the sky again, after 7 years of exploring it with my 8". The increase in detail, brightness and contrast of DSOs is just unbelieveable. I hope that soon I will be observing from a much darker place- then I'll try to find objects I haven't seen before. Radek
  5. Hi! I'm looking for another eyepiece for my 15" f/4.3 Newton. I currently have LVW 13mm and NLV 6mm, both of them are great. I need an eyepiece that will give me relatively low magnification (60-80x) helpful while observing big DSOs or searching for them. Tele Vue eyepieces are too expensive for me, so I'm considering: -LVW22mm 70* or -Maxvision 24 82* Of course, the Maxvision offers much wider (31%) FOV than LVW, but will it be useful in a f/4.3? I am afraid the coma will be unacceptable. I have tested other LVWs and they all worked great in my scope. But, again, having a wider field of view would be great while searching for DSOs or observing even larger ones. Do you have any experiences with Maxvision in fast Newtonians? I'd like to hear your opinions. Radek
  6. RK93

    Hello from Poland

    Hi! A bit about me: My name is Radek. I've been interested in astronomy since I was a little kid. 7 years ago (I was 15 then) I bought a 8" Dobsonian and had a lot of fun with it. Prior to that I learned everything I could about the sky and was observing through 10x50 binoculars. Recently, I started to cooperate with an astronomy popularising association- we are teaching people (mostly kids) about space, and showing them the night sky. We have an observatory in a fairly dark site and great gear (16" Dobsonian, 10" on EQ8 for astrophotography etc.). A few weeks ago I decided to let my 8" go, sold it, and just yesterday bought a new scope- custom build, 15" truss Dobsonian with a Moonlite Dual Rate focuser. I hope it will stay with me for years and give me some amazing views of the night sky. I also hope to share some of my experiences and photographs (I do a little astrophotography on my EQ3-2) with you guys. Clear skies! Radek
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