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Showing results for tags 'star cluster'.
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Globular star cluster M13 in the constellation Hercules at a distance of 25,000 light-years and 145 light-years in diameter taken from Kielder Spring Starcamp 2012. 5" Takahashi Refractor Pentax K5 iso 800 x5 375sec exposures with extender. Deep Sky Stacker No Flat Frames No Dark Frames (Quick & Dirty) M13 by mikeyscope, on Flickr
Hello Astro Peeps, I hope everyone is all good! Isn't there some amazing images on this site and others. Amateur imaging has never been so good! I myself have finally managed to get some data for an image, of which I am very happy. It has been so hot here it has been impossible to get any good data. One day a couple of months ago, I hung the thermometer from the grape vine under the back verandah and it was 47.5°C. Sounds far fetched, although true. I live in Adelaide, South Australia and we are 11km from the CBD and usually 1.5 degrees hotter than there! Anyway, I thought I'd try my hand at a Ha, OIII bi-colour image while waiting for my SII data to come in. There seems to be a halo issue with some of the filters for which I will need to do further testing so I apologise for their distracting nature. Details are with the image but basically 3hrsx15min subs for each channel. https://pbase.com/grahammeyer/image/169113477 You can scroll to the bottom to choose another size or auto to fit your screen. Happy photon collecting! ? Details for those that cannot see them. Telescope: William Optics FLT132 Guide Scope: QHY OAG Camera: QHY9 Mono @ -20c Filter Wheel: QHY 7 position Ultra Slim Filters: Baader 36mm unmounted L R G B HA OIII SII Guide Camera: QHY5L-II Mount: AZ-EQ6 Mount Control: EQASCOM Focusing: SharpSky Pro and Sequence Generator Pro 3 (automated) Bahtinov Mask: No (initial focus) Capture Software: Sequence Generator Pro 3 Guiding Software: PHD2 Calibration and Stacking Software: PixInsight Processing Software: PixInsight Number and Type of Data Frames: L= X min, R= x min, G= x min, B= x min Ha= 12x15min, SII= x , OIII= 12x15min. Binning: 1x1 Total Image Time: 6 hrs Location: Lockleys Observatory B, Tanunda, Sth Australia Light Box by Exfso