http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php Wed, 06 Jan 2021 17:33:43 GMT http://backend.userland.com/rss092 ja Powermate to scope Telescope http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=101 http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=100 before image processing processed with Photoshop CS5 http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=99 The image, taken by Chuck Kimball. See the source URL of Chuck http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=98 http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=96 http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=95 The box for the camera is modified. They were mounted on Vixen VC200L. M53, Globular Cluster and M95, Barred Spiral Galaxy were shot. The sensor and the AL angle temperatures went down to 0C and -20C. M53 Globular Cluster ISO3200 30 seconds Exposure, 5 lights, 20 darks and 20 flats M95 Barred ... http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=94 TEC and water cooling for camera Based on the suggestion by J. Kubera in Canada, an external cooling for DSLR is built. 3″ x 2 ” aluminum angle (6063) is modified so that the verical face (3″ high) could have a good contact with the camera LCD screen and the bottom face ... http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=93 http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=92 http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=91 500 mm Focal Length ISO800 0.6 second exposure 150mm Focal Length ISO800 0.6 second exposure http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=90 Click to expand. The Trapezium is seen at the center of M42. Gadgets: Sigma Telephoto lens 150-500mm at 500mm FL, with two EOSs, EOS Rebel XSI and T3, both modded, 0.5,2,4,8 minute exposures (4~8 frames each) at ISO1600 with XSI and Orion SkyGlow filter and, 2 min. x 25 frames at ISO3200 with EOS ... http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=89 http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=88 http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=87 LPS P2 filter with additional Lumcon H-Alpha filter Sigma Telephoto Zoom Lens of 150-500mm FL at 500mm Canon EOS Rebel T3, self modded, ISO3200, Exposure time 2 minutes, 27 lighs, and 20 darks and flats each, Lumicon H-Alpha filter with IDAS IPS P2 filter, combined together, used as a semi-narrow band filter. The transmission wave length ... http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=86 Processing of the M42 photos taken by LadeII Photos: The exposure seconds are 30, 60, 120 and 240 seconds. 30 seconds exposure 60 seconds exposure 120 seconds exposure 240 seconds exposure http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=85 Left: raw processing and right: tiff processing Compared are autosave01.tif, generated by stacking. Note that Luminance line in DSS is adjusted so that the line is reasonably diagnal and starts climbing up at the left side of the skirt of the intensity peak. Top: raw processing, bottom: tiff processing Raw processed photo of ... http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=84 http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=83 Emission/Reflection Nebula, being bombarded by the UV light by AE Aurigae, the brightest star in this photo. AE Aurigae was originated near or at the Orion M42 and is passing now through IC405. Refer to: Wikipedia IC405 for detail. 1/14 and 15th 2013 from Sunnyvale, CA USA Same Vixen VC200L scope and EOS ... http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=82 http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=81 Subframes 3min. x 20 frames and 5min. x 5 frames, totaling 1 hour and 25 minutes http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=80 IR/UV filter removal for the EOS Rebel XSI (450D or KISS X2) Disassembly and Regreasing of the German Equaitorial Mount Sirius EQ-G http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=79 http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=78 http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=77 http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=76 http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=74 http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=73 http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=72 http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=71 http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=69 Youtube video of Venus Transit (click here) http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=68 Saturn Kids, parents and amteur astronomers Setup 1 - My VC200L is seen! Setup 2 - Heidi’s 10 inch dob, refractor and Mead 9.25 inch(?) Setup 3 - Orange tube (Original Celetron Schmidt Cassegrain) and Alan’s airflow controlled 8 inch Newtonian http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=66 Youtube video of the solar eclipse (click here) Post to [digital_astro] I live in the San Francisco Bay Area and was too lazy to go to North for watching the true annular eclipse. Well, I tried to do something unique. This Youtube video shows what I did. ... http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=65 http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=63 from the same PC http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=62 http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=60 test http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=59 http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=57 http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=55 http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=54 http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=53 http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=52 http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=50 http://biwacosme.m15.coreserver.jp/modules/wordpress/index.php?p=49