
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
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.
Planetary Nebula, the Blue Snowball, shot with VC200L at 3600mm FL by using 2X extender of Sigma, made for Canon EF lens. ISO3200, 45 second exposures. 10 lights, 10 darks and 10 flats. New shooting http://www.urata123.com/X-urata/astro/ngc7662_ds_cs2.jpg” alt=”” />
NGC7331 was challenging to shoot from Sunnyvale, Silicon Valley. ISO1600 5x5min. 20x3min. ISO3200 30x2min., totaling about 2 and half hours exposure and corresponding dark frames. The third day, 12/1/2011, was quite windy, having distorted the star shapes. The equipment was same as before.
Shot from Sunnyvale CA, Silicon Valley, light-polluted. Shooting gadgets are same as NGC6960(Veil Nebula)’s. Clip-in type IDAS LPS P2 filter is used. ISO1600, 12 subs of 180 seconds + 6 subs of 240 seconds exposures. One of unprocessed frames (180 sec. exps.) : http://www.urata123.com/X-urata/astro/NGC253/NGC253_original_3min.jpg” alt=”” />
Vixen VC200L+Reducer (1280mm FL), Canon EOS T1i, not modified. with Orion Skyglow filter ISO1600, 300 seconds, 19 lights,16 dark, 11 flats, guided by a Modified Tasco refractor (60mm Dia 500mm FL) and Meade DSI 2 C CCD and PHD, mounted on Sirius EQ-G controlled by ASEQMOD, stacked with DSS and processed with Photoshop CS5. Location: Light Polluted Silicon Valley, Sunnyvale CA USA