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Found 250 results

  1. I've been getting started with an EQ3-2 GOTO / Skymax 127 combo, and had a couple of queries / concerns about the mount; advice would be greatly appreciated. With the clutch released, rotating on the RA axis the mount meets resistance when the counterweight bar approaches horizontal. It's enough that sometimes the motor drive can get stuck; there's no clicking from gears skipping, but movement stops. If I undo the RA setting circle screw the resistance is gone so I thought that was my error as the manual says to unscrew when locating, but as tracking is on the RA axis and the screw would normally be tightened at that point, is this an issue with the mount? I'm not expecting to use the circle so I can leave the screw loose and it seems that it'll be fine, but I'm wondering what the issue is. I've looked at badger's teardown, but I really don't want to take it apart yet as it's new and there isn't much backlash and no slop (if I understand the term correctly). I'm also wondering whether the DEC circle is set incorrectly at the factory and needs adjusting, or is this a misunderstanding on my part. After polar aligning, I assumed that having the arrow on the side of the mount head point to 90 on the DEC circle would have the telescope pointing correctly home positioned, however with a 1 star alignment my home position was clearly incorrect, and after doing a 3 star alignment (and getting good tracking after that) and returning home the DEC circle was around 78. Using a spirit level on the head, if the edge of the mount head that's parallel to the scope mounting plate when it's tightened and horizontal , the DEC circle is around 12 (or 78 if vertical), however if the edge of the head that has the two screws that secure the plate is horizontal, the DEC circle is 0. So it seems as if the DEC circle was set based on the orientation of the side of the head that has the screws, which doesn't lie parallel to the scope mounting plate, rather than the edge that lies snug against the mounting plate. Does that sound plausible or should the DEC circle be at 12/78 when the scope is horizontal or vertical?
  2. Thor's Helmet ( NGC 2359 ) in the constellation Canis Major Thor’s Helmet ( Duck Nebula, NGC 2359 ) ( please click / tap on image to see larger ) This HDR image shows the bright nebula Thor’s Helmet in a sea of colourful stars against a background of red from dust and HA emissions. The stars in this image range from the brightest ( bottom right, HD 56501 ) at magnitude +7.7 to around +20 or more. HDR capture and processing allows all of the stars to be portrayed in colour without any burnt-out highlights. The colours of the stars and nebula are as close as I can get them to their "true colours" by using a "daylight colour balance" and allowing for the extinction of blue-green due to atmospheric absorption/scattering ( mean altitude during capture ~ 60deg ). The blue star in the centre of the bubble of expanding stellar material is HD 56925 ( WR7 ) - a massive, unstable and short-lived Wolf-Rayet star that one day will detonate in a supernova. Image details: NGC 2359 Thor’s Helmet / Duck Nebula: Magnitude +11.5, RA (2000.0) 7h 15m 37s, Dec -13deg 12' 8", approx. 1800 light years away HD 56925 / Wolf-Rayet 7 ( WR7 ) Plate Solution: Resolution ........ 1.318 arcsec/px Rotation .......... 0.00 deg ( North is up ) Focal ............. 1398.41 mm Field of view ..... 57' 40.8" x 38' 29.0" Image center ...... RA: 07 18 36.509 Dec: -13 11 53.38 Telescope: Orion Optics CT12 Newtonian ( mirror 300mm, fl 1200mm, f4 ). Corrector: ASA 2" Coma Corrector Quattro 1.175x. Effective Focal Length / Aperture : 1410mm f4.7 Mount: Skywatcher EQ8 Guiding: TSOAG9 Off-Axis-Guider, Starlight Xpress Lodestar X2, PHD2 Camera: Nikon D5300 (unmodified) (sensor 23.5 x 15.6mm, 6016x4016 3.9um pixels) Location: Blue Mountains, Australia Moderate light pollution ( pale green zone on darksitefinder.com map ) Capture ( 18 & 19 Jan 2018 ) 9 sets of sub-images with exposure duration for each set doubling ( 1s to 240s ) all at ISO 250. 116 x 240s + 5 each @ 1s to 120s Processing ( Pixinsight - 20 Jan 18 ) Calibration: master bias, master dark and master flat Integration in 9 sets HDR combination arcSinH stretch
  3. Hi all, Thought I'd share the clip I designed to fit a Right Angle Finder to the polar scope on my Star Adventurer mount. I designed it to work on my Neewer RA Finder but it could possibly work with similar ones (that have the removable adaptor plates for various camera types). My finder came with a few different adaptor plates and I chose the metal screw-together type which was labeled for use with the older Nikon F series cameras. As you can see from the photos, this just screws into the printed clip allowing you to leave it in place on the Polar Scope but remove the RA Finder easily. It is best oriented with the clips at the top and bottom (rather than on the side). I've made it available for download from Thingiverse, there's a printable version of the adaptor plate on there too (along with instructions and pics) should you need it. https://www.thingiverse.com/thing:2762334
  4. Sincere apologies if this has been covered previously in the numerous newbie SA questions. I had a search here and on Google using many different ways of asking but can't quite find the answer. I've just received the SA astro imaging bundle and have been familiarising myself with it before the skies clear. Am I right in assuming that by setting the date/time to October 31st at 00:00 is just to align the polar scope reticule squarely? As I understand it, once polar alignment is completed, it will rotate as the L bracket and camera are positioned. I have the PS Align app on my phone and the reticule set in that matches what I can see through the polar scope (clockwise 0, 3, 6, 9) so I think I'm on the right track and know what I'll need to do there. However, the month markings on my SA have a wider division at the end on the October range, as do all the months with 31 days. You can see them in the attached pic. The only images I've been able to find on-line (and the diagrams in the manual) show equal divisions throughout. So, I guess what I'm really asking is, do I align as per the attached photo with the 0 on the last division mark in October? The reticule looks pretty level to me but I didn't know quite how crucial it was. (I'll try not to have such a rambling question next time.) Simon.
  5. Hi Folks, I have been happily using my new skywatcher skymax 127 on a synscan az goto mount and a question occured to me when going through the alignment procedure. Does the time between centering the first star in the eyepiece and aligning the second star matter. The reason that I ask is that sometimes the accuracy of the goto differs slightly and I am wondering could it be due to me being too slow to find the next star. I am good with constellation identifying but the star names I only know a few of the major ones such as vega, betelgeuse etc., so I have to rely on a star chart to pick a suitable star which takes maybe about an extra minute. I am wondering if the mount does not keep the 1st star centred due to setup not being fully complete at this point and obviously the earth is still rotating so the star will drift and then the reference point of this star is now not centered when aligning to the 2nd star. Everything else is always the same as I have already marked the ground where I put the tripod so it goes in the same place every time and levelled it with a spirit level. The power is supplied with a skywatcher powertank so I know its not a battery power problem and all the information is correct such as time/date, elevation, lat/long etc. It isnt massively out, so far everything I have requested has been in the FOV of my 25mm eyepiece but its just something that I wondered and also whether I could improve things. cheers
  6. The Rosette Nebula and Cluster ( NGC 2237 and 2244 ) in the constellation Monoceros edit: updated 30th Dec with improved colour balance and slightly increased brightness ... ...... original: ( please click / tap on image to see larger and sharper ) Still a work-in-progress really... with only 10 x 4min exposures for the main 'lights' before the clouds came over. I will try to add some more data when the moon has gone I am still experimenting with how to get the best out of the D7500. With the very warm nights ( low to mid 20s all night ) the 'warm pixels' are very noticeable so I reverted to my old practice of in-camera dark subtraction. This worked quite well and produced a nice smooth noise floor in the integrated images - albeit at the expense of more exposures. ................. Identification: The Rosette Nebula ( NGC 2237 ) is a large, circular emission nebula in the constellation Monoceros. It surrounds a cluster of hot, young stars known as the Rosette Cluster ( NGC 2244 ). ( SkySafari ) NGC 2237, 2244 Caldwell 49, 50 North is up. .................. Capture Details: Telescope: Orion Optics CT12 Newtonian ( mirror 300mm, fl 1200mm, f4 ). Corrector: ASA 2" Coma Corrector Quattro 1.175x. Effective Focal Length / Aperture : 1400mm f4.7 Mount: Skywatcher EQ8 Guiding: TSOAG9 Off-Axis-Guider, Starlight Xpress Lodestar X2, PHD2 Camera: Nikon D7500 (unmodified) (sensor 23.5 x 15.7mm, 5568x3712 @ 4.196um pixels) Location: Blue Mountains, Australia Moderate light pollution ( pale green zone on darksitefinder.com map ) Capture ( 23 Dec 2017 ) 9 sets of sub-images with exposure duration for each set doubling ( 1s to 240s ) all at ISO400. 10 x 240s + 5 each @ 1s to 120s imaged ~ +/- 1.5hrs either side of meridian maximum altitude ~ 51.3 deg above north horizon Processing ( Pixinsight ) Calibration: master bias, master flat and in-camera dark subtraction Integration in 9 sets HDR combination Image Plate Solution =================================== Resolution ........ 0.633 arcsec/px ( full size image ) Rotation .......... 0.181 deg Focal ............. 1367.90 mm Pixel size ........ 4.20 um Field of view ..... 58' 59.4" x 39' 15.0" Image center ...... RA: 06 31 55.638 Dec: +04 56 30.84 ===================================
  7. Hi there, I’m looking for advice as to which of these telescopes would be the Best Buy & most useful for a beginner, I’ve been reading different reviews on sales websites but can’t make a decision, budget needs to stay around £200. So have whittled it down to Sky-Watcher Explorer 150P or skywatcher skyliner 150p telescope? What’s the difference?
  8. M31 Andromeda 15.12.17

    Hi everyone. I'm back, and trying again to get a decent DSO photo! This is my personal favourite so far, so I must be getting better! haha Still a long way to go with the processing skills, but I'm sure I'll get there. 23x Lights - 120 Seconds - ISO800 20x Darks 20x Flats (Yes! I've started to use these!!) 20x Bias Processed using Photoshop and ProDigital Astronomy Tools Hope you like it. Thanks, Mike
  9. Mount Stops Slewing

    Hi, I took my mount out for the first time in 5 weeks, all went as normal on the aligning, until it finished slewing to the second alignment star... As I tried to use the direction buttons to center Rigel, then I realised it wasn't moving, and the handset said "slewing to...." still. I tuned it off for a bit, came back to it, but the thing wont move at all. It says slewing still, but doesn't actually move. Also it doesn't make a whisper. The handset is seemingly working fine apart from that. Can anyone suggest anything? It's just turned 13 months old also! So might not be under manufacturers warranty still. Thanks, Shaun.
  10. I have a dob mount already for a 12 inch. The OTAs I am considering are Skywatcher 300P-DS and Orion VX12L (standard optics), 1500 & 1600mm fl respectively. Orion is near twice the price of SW! So what makes the huge difference in price? I could understand better if the standard Orion optics were 1/10 wave (as for their CX range), each uses their own make of focuser, Orion can have a fan. So what is there apart from brand name?
  11. Hello, I'm saving money to buy a professional telescope for visual observing (deep sky) and astrophotograpy. I was wondering whether someone here has experience with the following equipment: 250/1200 SkyWatcher Newtonian telescope on EQ5 or EQ6 Here is the link to the telescope. As I've never done astrophotography, any other suggestion would be appreciated! Adam
  12. The Great Barred Spiral Galaxy ( NGC 1365 ) in the constellation Fornax edit: new version with new long exposure data ( 52 x 240sec ) and better dark subtraction / dithering to remove streaks in the noise and amp glow. This also allowed for a greater stretch revealing more faint data in the galaxy and small faint fuzzies in the image .. The Great Barred Spiral Galaxy ( NGC 1365 ) in Fornax ( please click / tap to see larger ) and below I have added a 100% crop of new version: ........ original image: NGC 1365 ( please click / tap on image to see larger ) ............... The Great Barred Spiral Galaxy ( NGC 1365 ) in the Constellation Fornax Below the equator, not seen from much of the Northern hemisphere, NGC 1365 passes very nearly directly overhead an observer situated near Cape Town, as Sir John Herschel was in November of 1837, or near Sydney, as I was, almost exactly 180 years later, when I photographed this “remarkable nebula” that is numbered 2552 in his book of observations from the Cape. Not called a “nebula” now, of course, this striking object is one of the nearest and most studied examples of a barred spiral ( SB ) galaxy that also has an active galactic nuclei resulting in its designation as a Seyfert galaxy. At around 60 M light years from Earth, NGC 1365 is still seen to occupy a relatively large area ( 12 by 6 arc minutes ) due to its great size; at some 200,000 light years or so across, NGC 1365 is nearly twice as wide as the Milky Way and considerably wider than both the Sculptor and Andromeda galaxies. This High Dynamic Range ( HDR ) image is built up from multiple exposures ranging from 4 to 120 seconds with the aim of capturing the faint detail in the spiral arms of the galaxy whilst also retaining colour in the brightest star ( the orange-red 7th magnitude giant, HD 22425 ). Also, scattered throughout the image, and somewhat more difficult to see, are numerous and far more distant galaxies with apparent magnitudes of 16 to 18 or greater. Mike O'Day ................. Identification: The Great Barred Spiral Galaxy New General Catalogue - NGC 1365 General Catalogue - GC 731 John Herschel ( Cape of Good Hope ) # 2552 - Nov 28, 29 1837 Principal Galaxy Catlogue - PCG 13179 ESO 358-17 IRAS 03317-3618 RA (2000.0) 3h 33m 37.2 s DEC (2000.0) -36 deg 8' 36.5" 10th magnitude Seyfert-type galaxy in the Fornaux cluster of galaxies 200 Kly diameter 60 Mly distance .................. Capture Details: Telescope: Orion Optics CT12 Newtonian ( mirror 300mm, fl 1200mm, f4 ). Corrector: ASA 2" Coma Corrector Quattro 1.175x. Effective Focal Length / Aperture : 1400mm f4.7 Mount: Skywatcher EQ Guiding: TSOAG9 Off-Axis-Guider, Starlight Xpress Lodestar X2, PHD2 Camera: Nikon D7500 (unmodified) (sensor 23.5 x 15.7mm, 5568x3712 @ 4.196um pixels) Location: Blue Mountains, Australia Moderate light pollution ( pale green zone on darksitefinder.com map ) Capture ( 22 Nov 2017 ) 6 sets of sub-images with exposure duration for each set doubling ( 4s to 120s ) all at ISO400. 70 x 120s + 5 each @ 4s to 60s total around 2.5hrs Processing ( Pixinsight ) Calibration: master bias, master flat and no darks Integration in 6 sets HDR combination Image - Plate Solution ========================================== Resolution ........ 1.328 arcsec/px Rotation .......... -0.008 deg ( North is up ) Field of view ..... 58' 8.6" x 38' 47.5" Image center ...... RA: 03 33 41.182 Dec: -36 07 46.71 ==========================================
  13. With my eye on an Equinox 120 ED, I am wondering if it's focuser can take an Astro Physics diagonal + ES 40mm Maxview total close to 2kg if not more - sort of challenge for any focuser bar imaging kit. The Featherlite is almost half the price of scope again!
  14. Hi everyone! I am looking for a good beginner’s telescope that we could enjoy for years to come. My 10-year old son has wanted a telescope forever and is constantly reading up on the sky in encyclopaedias. For my tight single-mom budget, I have found two options that seem appealing (I am enclined to go with a Dobsonian over a refractor, following comments on better image clarity): 1. Skywatcher 130mm/f650 with EQ mount (2nd hand for CA$125) including 25 wide angle, 10mm and 3.6mm. 2. Celestron PowerSeeker 127 EQ (new for CA$200 including taxes) including 20mm, 4mm and 3x Barlow lenses, The Sky software and a 2-year warranty (and although the website calls it a "refractor" telescope, I’m pretty sure it is a Dob). Could you please advise me on these two options? Thank you 😊
  15. AZ4 WANTED

    Hi All I'm looking out for Skywatcher AZ4 (Steel legs) if anyone has one for sale or know of one for sale, willing to travel up to two hours from Warrington, Cheshire to collect. Many Thanks Rob
  16. Hello, i have recently purchased a Skywatcher 150 Mak Cassegrain, i have no experience with this design, my intent is mainly visual planetary/lunar mostly, i will be swapping between my Lunt and the skywatcher on my grand polaris mount which is beefy and rock solid, should be no problem holding the 150. i was wondering if i can pic the brains of those who have experience with Mak's, any suggestions on accessories which are a must have? eyepiece specifications which may suit it best since it does offer a narrow FOV? I'm aware that a dew shield is a must. fire away and tell me what you believe should be partnered with that scope, id love to hear it thanks!!
  17. hi guys, jon from dorset here! im new into the hobby although ive always had an interest of eventually getting a telescope. I am technically minded and am a aerospace engineer by trade, so i love to do a lot of design work (solidworks mainly) and cnc machining along with assembly. i have a few other hobbies such as sea angling, metal detecting, photography............when i get the chance! my wife always says she imagines me walking around a beach with all my hobby equipment attached to me hahaha! anyway back to the main question of this post!! i started looking at the skywatcher 130p, discovered a few old threads on here regarding the 130,150,200p models. Yes i know they are going to step up in quality per model, but im asking for a honest answer if i can get pretty good pictures which each of these models? i mean i could buy the 200p and goto or dual axis motors but im not sure if that is the right choice as a newbie to the hobby and i may not even like it and quit? (just saying haha) just typical of me when i was dead set on the 130p, then i click on the model range and see the 150p and 200p and so on so im not looking at becoming the next best astrophotographer, i just want to be able to use my cheaper nikon d3200 to take some shots of nebula, the moon, and anything else with some striking colours ps. has anyone got any side by side sample shots from each telescope please, of say nebula or the moon? thanks if you got this far, i look forward to the replies jon
  18. Hello! i am seeking the help of those with experience in refractors please!! I have been an amateur since i was just a wee lad, i have always owned catadioptric and reflectors of many types, unfortunately short of my current Lunt LS60PT and the department store pea shooter i had as a 12 year old and my which spent way more time peering through windows in the apartment complex across the street than gazing at the sky i have NO experience with refractors. This is where forums like this come in, ok this is what id like to do, my budget is around US1,200, for this i would be looking at a doublet no doubt, i would like it to be in the F5-F7 range? this would offer some flexibility for both visual and future basic AP dabbling. I mainly would like this refractor for planetary, lunar and double star observing, i do hear that nothing beats a refractor for these objects and I'm itching to see for myself. I realize that this budget will not get me an NP101 or any other triplet for that matter, but i would like the best for that price in the 100mm range preferably since id love to stretch its legs on lunar and planetary. i also own a 12" lightbridge but this is definitely not a grab and go scope which is what id love to have now, CA would be an issue not so much for visual but future photo work id like something that performs reasonably well in the CA department. if anyone out there has had much experience with refractors id love to hear from you! Thank you all!!!
  19. My star adventurer setup has looked like this since I got my star adventurer: The tripod I used was not stable enough and I felt like it was the reason of not being able to get good enough PA. I had to sit on the ground to look through the polar scope (not that fun to do on wet grass), and when I put the wedge and camera back on the tripod after doing PA, I suspect the tripod lean back a little messing up PA. I have just been to USA and Canada, where I bought a Manfrotto 055XPRO3 and a Manfrotto 496 RC2 ballhead. I certainly paid for it but I am very happy with my purchase. The tripod feels a lot more study and solid, and so does the ballhead. Because of the ballhead, I can also use the star adventurer without the wedge and counterweights. Overall very happy with the look of my setup, and I am very satisfied with my purchase. The tripod is so solid and stable that I can extend the legs when using it (not fully though, that would be stupid), and now I only have to sit on a knee to look through the polar scope. Clear skies! Victor Boesen
  20. How good is this scope for rich/ flat field and reducing FC & CA? Much cheaper than Tele Vue equivalent.
  21. This has probably been asked before but ....... I'm looking at getting a tracking mount for wide field photography that I can take away with me on travels abroad etc. Carting the NEQ6 aboard an aircraft is a tad to much hassle and it weighs alot I'm interested to here of any reviews of the following two mounts that will sit on top of my Manfrotto 190XPRO tripod Skywatcher Star Adventurer or the Mini version Star Adventurer Star Adventurer Mini Has anyone used either or both? I assume the weight of the mini is less than the bigger one but is it as good/useful. TIA
  22. Hi all! I'm looking for any recommendations for a good little refractor as a companion for my Star Adventurer for astrophotography. Little (in weight) being the operative word given the 5kg payload capacity of the mount! Currently I am shooting with an Sony A7S and guiding with an Orion Starshoot and Orion 50mm guide scope. So there's a little bit of weight on there already. Looking at refractors with a focal length of 400-600mm which are proven performers for imaging. So far contenders are: Stellarvue 80mm ED TS-Optics ED 70mm f/6 William Optics Gran Turismo 71 APO Refractor Any advice/images of rigs/example images/etc would be greatly appreciated! Thanks in advance :-)
  23. cheap DSLR

    Hi all, Im living in a fairly light polluted area, and have a Skywatcher 200p on an eq5 pro mount. I've been using my phone to take pictures of varies objects with varying degrees of success ( mainly due to mounting my phone to the telescope) but ive decided id like to take imaging a little more seriously and am looking to get a DSLR with the interest of deep sky astrophotography. having said that i dont have £5k for blow on a camera and am looking to spend around the £100 mark, but dont know cameras and dont know what the best camera in my price range would be. I realize i wont be able to do too long a exposure because of my mount being unguided and it being a eq5 pro not a Heq5. any recommendations or advice would be greatly appreciated. Daniel
  24. A new High Dynamic Range image of the Sculptor Galaxy ( NGC 253 ) captured over a number of nights in mid-September 2017 and processed with PixInsight using the DrizzleIntegration and PhotometricColorCalibration tools. The Silver Coin or Sculptor Galaxy ( NGC 253 ) in the Sculptor constellation. ( please click / tap on image to see larger and sharper ) On the 23rd of September 1783, sitting before her telescope in the field behind the house she shared with her brother William at Datchet, near Slough in the south of England, Miss Caroline Herschel "swept" the sky searching for new comets and never before seen star clusters and nebulae. On this occasion, way down in the sky, not far above the Southern horizon, in an area of the southern sky that Nicolas de Lacaille had called the “Apparatus Sculptoris” or “the sculptor’s studio", Miss Herschel saw and noted down a very bright and large nebula where one had never before been recorded. This event was later recognised by her brother, Sir William Herschel, as the discovery, by Caroline Herschel, of the nebula he listed in his catalogue as H V.1. In later years, her 'beloved nephew', Sir John Herschel, William's son, would record this 'nebula' as entry # 138 in his General Catalogue of Nebulae and Clusters of Stars ( eventually becoming the 253th entry in the New General Catalogue, NGC 253 ). Whilst relatively close to us compared to the billions of far more distant galaxies in the Universe, the great size of the “Sculptor Galaxy” and the huge distances involved are still hard to comprehend. To put this into some perspective, the light that is just now reaching one edge of the great disc left the opposite edge when the Earth was in the grip of last great Ice Age 70,000 years ago and the light we now see has been travelling towards us for over 11 million years. ........ More information on the discovery of the Sculptor Galaxy by Miss Caroline Herschel, as well as the later observations by both Sir William and Sir John Herschel, can be found in my Stargazerslounge blog, “The Sculptor Galaxy ( NGC 253 )” ......... This image was captured over a number of nights in the middle of September 2017 and processed on the 23rd; exactly 234 years from the day of its discovery by Caroline Herschel. With over 18 hours of total exposure, this HDR image attempts to capture the huge range of brightness levels; from the brightest stars and the core of the galaxy through to the numerous 'tiny' galaxies scattered throughout the image ( the total magnitude range is from around mag 8.8, for the brightest star, to 22+ for the faintest stars and galaxies visible in the image). Mike O'Day ...................... Capture Details: Telescope: Orion Optics CT12 Newtonian ( mirror 300mm, fl 1200mm, f4 ) Corrector: ASA 2" Coma Corrector Quattro 1.175x Effective Focal Length / Aperture : 1410mm f4.7 Mount: Skywatcher EQ8 Guiding: TSOAG9 Off-Axis-Guider, Starlight Xpress Lodestar X2, PHD2 Camera:Nikon D5300 (unmodified) (sensor 23.5 x 15.6mm, 6016x4016 3.9um pixels) Location: Blue Mountains, Australia Moderate light pollution ( pale green zone on darksitefinder.com map ).. Capture ( 16, 17, 19,20,22 Sept. 2017 ) 8 sets of sub-images with exposure duration for each set doubling ( 2s to 240s ) all at ISO800 273 x 240s + 10 each @ 2s to 120s total around 18hrs Processing Calibration: master bias, master flat and no darks. Drizzle Integration in 8 sets. HDR combination PhotometricColorCalibration Pixinsight & Photoshop 23 Sept. & 8 Oct 2017 Image Plate Solution ( this cropped image ) =============================================== Resolution ........ 1.324 arcsec/px Rotation .......... -180.00 deg ( South ^, East > ) Field of view ..... 57' 57.5" x 38' 40.1" Image center ...... RA: 00 47 32.809 Dec: -25 17 04.48 =============================================== .................... Designations and alternative names for the Sculptor Galaxy: CH10 ( Caroline Herschel # 10 ) H V.1 ( William Herschel, Class V ( very large Nebulae ) # 1 ) H 61, H 2345 ( John Herschel observations identifiers ) GC 138. ( John Herschel’s - A General Catalogue of Nebulae and Clusters of Stars # 138 ) NGC 253 ( John Herschel’s catalogue updated by Dreyer - The New General Catalogue of Nebulae and Clusters of Stars # 253 ) Caldwell 65 Leda 2789 ESO 479-29 Sculptor GalaxySilver Coin GalaxySilver Dollar Galaxy .................. Annotated image of the Sculptor Galaxy ( NGC 253 ) - showing the brighter stars ( from the Tycho-2 catalogue ) as well the galaxies recorded in the Principal Galaxies Catalogue ( PGC ). I have yet to complete identifying and annotating the very large number of ‘tiny’ galaxies in the image. ( please click / tap on image to see larger and sharper ) .........
  25. Just purchased a Skywatcher ED80 refractor and apart from the supplied 2" 28mm LES eyepiece I have the Ultrawide 6mm Skywatcher 1.25" and the Skywatcher Super Plossl 40mm. I am looking at purchasing a 2x or 2.5x Barlow and was after any recommendations? Also have I read somewhere that I have to have a certain 'type' for the supplied 2" star diagonal? Would I better be off purchasing one that can fit both 2" and 1.25" eyepieces or for optical quality sticking with just a 1.25" (does it affect optical quality even?) Celestron Luminos for example My other question is can this scope take (visually acceptable) a 2.5mm eyepiece and take it to the max possible magnification if I required max even. Last question is Sky-Watcher SWA 70° Eyepieces on offer at FLO at the moment, anybody have any thoughts or feed back as I was thinking about an Hyperion to add to the eyepiece collection. (thinking about 13mm-17mm) Sorry, a load of questions but I live in West Wales and have no local suppliers within 100 miles, I'm happen to be going past FLO at the end of the week and I've a credit card .....gulp!
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