Sun With Return Of AR2644 Now AR2651
Taken by Sylvain Weiller on April 19, 2017 @ Jerusalem, Israel
Click photo for larger image
  Camera Used: Unavailable Unavailable
Exposure Time: Unavailable
Aperture: Unavailable
ISO: Unavailable
Date Taken: 2017:04:19 15:22:39
 
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Details:
Not great activity on AR2651 but better watch :)

PV 100/900 + Coronado 90mm BF 30 + motor focusing JMI + Antares 1.6x Barlow + ASI 174MM.
AS!3 , RegiStax6, GIMP2.9. [FireCapture v2.5 Settings

Mid(UT)=111748.300
Duration=90.016s
Frames captured=686
File type=SER
ROI=1256x794
FPS (avg.)=7
Shutter=3.000ms
Gain=229 (57%)
Gamma=1
]

Comments
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Note : Use of SSM (Solar scintillation Monitor). This explain why even if recording FPS is about 150 there is an average of 7 FPS ... as the 90s capture is paused only for incoming images and not time when the seeing passes above a threshold, here 1.30.
Posted by sweiller 2017-04-19 08:13:52
11 thumbs up
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