Shots from Sunnyvale CA (Silicon Valley) on 5/1 and 5/11 in 2012, with Vixen VC200L and its Reducer, on Orion Sirius EQ-G mount, guided by self modified Tasco refractor (500mm FL) and Meade DSI Pro 2, bu using PHD (software) 80 lights 70 darks and 30 flats at ISO3200 and 75 second exposure for the subframes, process with DeepSkyStacker, Phtoshop CS5, Noise Ninja and Olympus Background Extraction retouched on 3/15/2015
Noise Value Table T1i T3 Exposure start Mean 2.64 2.96 Std 1.78 1.29 temp*(1) 21 23 Exposure end *(2) Mean 5.61 3.52 Std 4.34 1.62 temp 29 28 *(1) Celsius *(2) last of 2 minutes x 10 exposures at ISO 3200
VC200L and EOS T1i (KISS X3) with 2X extender captured with EOS_MOVREC at ISO800 edited with VirtualDub, stacked with Registax 6, reprocessed (9/4/2012).
まささん（Ｍｉｘｉ）の天の川の写真を まず Ｃｌｏｎｅ Ｓｔａｍｐで 天の川の星々と地上を塗りつぶして、 それから Ｇａｕｓｓａｉｎ Ｂｌｕｒ を Ｐｉｘｅｌ ３０くらいでかけ（３０〜５０くらいがいい）、 最後に元の画像からこのＢｌｕｒ画像を減算した。 階調落ちが激しいので、もし１６Ｂｉｔでカブリ補正をするとすばらしい画像になるようだ。
At 500mm FL of Sigma Zoom of 150-500mm, with 2X Extender, made by Sigma Corp. 5/20/2012 18:30 PM PDT “http://youtu.be/QKTbVDRMkV0 “
from Sunnyvale CA (Silicon Valley) on 4/29/2012 with Vixen VC200L with the Reducer on Orion Sirius EQ-G mount, guided by self modified Tasco refractor (500mm) and Meade DSI Pro 2 20 lights 20 darks and 10 flats process with DeepSkyStacker, Phtoshop CS5, Noise Ninja and Olympus Background Extraction
Reprocessed on 11/28/2011 Sigma 150-500mm Zoom Lens EOS T1i ISO3200 ExpTime 45 seconds 10 lights, 10 darks, 10 flats updated with the photos taken at ISO3200, 2min. exposure, 20 lights, 20 darks, 10 flats on 12/24/2011
Location: Sunnyvale CA USA Date: 02/02/2011 M78 is seen at the top left corner. SigmaZoom 150-500mm at 150mm with Canon EOS T1i (Kiss X3), ISO3200, 75 seconds, 10lights, 10 dark and 10 flats, updated with the stack of the shot on 12/24/2011 with 20 lights, 20 darks and 10 flats at the same exposure time.
3600mm FL using VC200L + 2X Extender (Sigma) Single shot at ISO3200 and 2 minutes exposure