Release-Note for uploaded image

Brief Description   This montage shows the all progress of Venus Transit observed on Jun 6, 2012. The central solar image has composed individual positions of the venus with an interval of about an hour, the venus moved from left to right taking for about 6 hours. The upper and lower rows indicate magnified images of the venus in 1st to 2nd, and 3rd to 4th contact with the solor rim, respectively. The images has lined up with time course for about 20 minutes from left to right.
(All photos have been displayed by turning celestial north direction upward)

Photography Condition
(Composed solar image)
Date & Time... Jun 6 2012, from 07:28 to 13:29 JST(+0900), 1/500 to 1/10sec. exposed each
Optical... PENTAX 7.5cm(2.9") ED refractor + Televue PowerMate2.5X (f=1250mm, F16.7)
   with BaaderPlanetarium Astro Solar Filter
   Auto-guided with TAKAHASHI EM-200 Equatorial
Digital Camera... Nikon D700
   (ISO400, recorded in JPEG-FINE format)

(1st to 2nd, 3rd to 4th contact)
Date & Time... Jun 6 2012, from 07:12 to 07:30, 13:27 to 13:45 JST(+0900)
Optical... BORG 45EDII, afocal method with LV25mm eyepiece
   Synthesized focal length f=793mm (equivalent f=5668mm in 35mm film format)
   with ND400, ND8 & ND4 filters (timely changed)
   Auto-guided with TAKAHASHI EM-200 Equatorial
Digital Video Camera... Canon iVIS HF-M41
   30 JPEG images (for 1sec.) captured each, stacked with Registax5.1

Location... Joetsu city, Niigata pref.