The origins and outcomes of triplet and quadruplet pregnancies in Nova Scotia: 1980 to 2001. Obstet Gynecol Sci. Nice review! Thanks, Sarmad! Thanks for all the good stuff you’re cranking out – you got me hooked on this hobby! In this review, I’ll share everything I know about this stocky white refractor. The Orion Sirius is a solid choice: http://amzn.to/2zm2Ype Hope this helps. I have been very happy with mine, and more experienced imagers seem to like it a lot too. R03 HD047627/HD/NICHD NIH HHS/United States, R03 HD048498/HD/NICHD NIH HHS/United States. I’m currently only using a DSLR for long exposures, but I’m considering purchasing a telescope for deep sky photography. The Meade 70mm Quadruplet APO is a high-quality imaging refractor for wide-field astrophotography. – f/5 – great for imaging I use the Meade 70mm Quadruplet APO with my Canon 7D – I have to use the 48mm-42mm adapter ring and the Canon EOS T-Ring. 97 individual light frames of 2 minutes each were stacked in DeepSkyStacker and processed in Adobe Photoshop. My final processed image of the California Nebula utilized 3 Hours and 14 Minutes worth of total exposure time.  |  This is really cool. That’s a tough call – I love the mid-range power of the ED102 – but I think the Meade 70mm might be a better choice for wide field imaging overall. Get the latest public health information from CDC: https://www.coronavirus.gov. The collar of the telescope is rotatable with a locking screw, so you can easily adjust the framing of your target from portrait to landscape. Do you think it will handle the weight of a full-frame CCD camera and filter wheel without excessive sagging? When you’re shooting this wide, guiding accuracy is much more forgiving. 2004 Nov;21(8):439-45. doi: 10.1055/s-2004-835960. Clipboard, Search History, and several other advanced features are temporarily unavailable. This is one of many reasons I recommend a small apo refractor to astrophotography beginners. At this time, there are over 15 different versions of the data captured in my backyard processed by amateur astrophotographers around the world. The included adapter comes is a welcome addition to APS-C sized sensor DSLR astrophotographers like myself. It is so bad that I removed the mirror from my camera to get rid of it. I feel blessed every minute I spend under dark skies. Even at ISO 800, I was quite pleased with the amount of nebulosity showing on the Soul Nebula project. 2004 Jul;191(1):254-8. doi: 10.1016/j.ajog.2003.12.003. The Meade 70mm Quadruplet APO is a high-quality imaging refractor for wide-field astrophotography. As expected, the field was completely flat to the edges of my APS-C sensor DSLR, and the stars were tiny and razor sharp. Hey Trevor, great site! I really admire your M31 shot using Zenith 61 APO! Would you buy the Mead 70mm over the SW Scientific ED 102? Part I: Basic considerations. Sassoon DA, Castro LC, Davis JL, Hobel CJ. Both telescopes proved to be exquisite imaging telescopes with excellent contrast, color correction, sharpness, and flat field qualities. I gotta say, your site and videos on YouTube have really increased my desire to do astrophotography. This is really awesome post. There’s a very pronounced mirror shadow in images when used with a Canon 6D full frame camera. For example – the Rosette doesn’t quite fit in the ED102’s FOV – same goes for the California Nebula, North America etc. Took my first decent picture of Carinae this weekend and following your processing tutorial on PS it came out great (for a noob)… if you get a gap, check it out on astrobin NLM The built-in finder scope bracket offers a convenient solution for mounting a small guide scope right away. You wouldn’t know that we had wind gusts of up to 70kmh the night this single frame on the California Nebula was captured. Your email address will not be published. The combination makes for a very compact setup. Keep up the great videos they are very helpful and I appreciate the effort you put in to making them. 1. Since I shoot with a crop-sensor DSLR, the 48mm-42mm adapter ring was needed to connect my camera to the scope. The added photon collecting power was felt when capturing images using short 2-minute exposures from the backyard. Comparative risks and predictors of preeclamptic pregnancy in the Eastern, Western and developing world. I recently started with astrophotography having mainly been a visual guy for about 2-3 years… After doing much research and watching your video review I decided to get the Meade 70mm, and I must say it’s a great addition to my kit. Smaller equatorial telescope mounts such as the Celestron Advanced VX or iOptron SmartEQ Pro will have no problem tracking the night sky with the Meade Quadruplet on top. The price is right within range for those on a budget looking for APO optics as they can easily start in the $2000 price range. The images I have produced speak for themselves. Epub 2019 Jun 17. The quadruplet lens system design results in an ultra flat-field, without the need for an additional field flattener. Factor in the price of a dedicated field-flattener/reducer when comparing the prices of competing telescopes in this range. How good is the focuser? Prevalence of Gestational Diabetes in Triplet Pregnancies: A Retrospective Cohort Study and Meta-Analysis. This issue could be rectified by mounting the Meade to a longer dovetail plate to properly balance the declination axis of the load. Pregnancy outcomes of dichorionic triamniotic triplet pregnancies after in vitro fertilization-embryo transfer: multifoetal pregnancy reduction versus expectant management. With your budget – you could do something like this: https://astrobackyard.com/portable-deep-sky-astrophotography-kit/ The SkyGuider Pro is an excellent introductory mount. COVID-19 is an emerging, rapidly evolving situation. Hi Trevor, would skyguider pro able to handle this scope? You’ll be able to mount your DSLR, lens and small refractor like the WO Z61. Maternal morbidity and obstetric complications in triplet pregnancies and quadruplet and higher-order multiple pregnancies. More info at http://www.stellarvue.com/stellarvue-sv70t-is-imaging-refractor-telescope-system/, Keep up the great work! For me, the balance of this configuration was a bit off, with the back end being a little heavy. The RAW image data was processed by several talented amateur astrophotographers from around the world. I love that Meade 70mm Quad. The Meade 70mm f/5 Quadruplet ED is proof that you do not need a large, heavy telescope to produce incredible astrophotos. – easy to get going with a DSLR T ring adapter I was wondering where you can get the guide-scope for it? Thanks again for all the help you provide! Meade’s Series 6000 70mm Astrograph is a 70mm aperture, Quadruplet Apochromatic (APO) Refractor with 350mm (f/5) Focal Length. Your email address will not be published. Cheers! or do you have to use many extension tubes making it too long to comfortably use? 2. I won’t tell you that one is better than the other because they both offer exceptional value for the money and have the key ingredients of a practical imaging refractor such as a robust focuser. 2002 Nov-Dec;47(6):254-64. The biggest question on my mind was just how flat the field be when using my DSLR camera. 2020 May 18;9(5):1523. doi: 10.3390/jcm9051523. For anyone looking to capture exceptional wide field images using a DSLR, it’s hard to beat the convenience of a small refractor. The California Nebula using the Meade Quadruplet Astrograph with a Crop-Sensor DSLR. Perinatal outcomes of monochorionic diamniotic triplet pregnancies: a case series. Have you tried LUNAR mode with this mount yrt? I would like to thank everyone that participated in the project, and tell you that I am absolutely amazed at the image processing talent currently on Instagram. I have filmed a video review of this telescope on my YouTube channel. Thanks in advance, all the way from Norway! Study design: The Meade Series 6000 ED APO Refractors are well known in the astrophotography community as top contenders for deep sky imaging, and this quadruplet is no different. With no field flattener to extend the imaging train and a modest overall tube length, the wind will likely never be an issue when shooting astrophotography with this scope. And you can’t beat the portability of the little Meade Quad. The Meade 70mm Quadruplet will not excel at visual planetary observing, there is simply not enough aperture to pull in the fine details of the cloud bands in Jupiter, or spot the Encke gap in Saturn. At f/5, this refractor can collect a lot of light in a short period of time. Triplet and quadruplet pregnancies have significantly higher risks than twin pregnancies for most maternal and neonatal complications. Objective: The padded aluminum carry case will get a lot of use thanks to the portability of this refractor, and the potential for serious deep-sky astrophotography while traveling.