Difference: LogBookAstronomyEntry0152 (2 vs. 3)

Revision 323 Jan 2018 - AlanisCozens1

Line: 1 to 1
 
META TOPICPARENT name="LogBookAstronomy"

Log Book Entry No.152

Days, Calendar Created: 28 Nov 2017 14:25:45 Days, Calendar Last Revised: 23 Jan 2018 18:44:37 Person AlanisCozens1 Text Solar Limb Darkening data AC LL
Line: 13 to 11
 28/11/2017; AC, LL
  • took data with telescope and dslr camera
  • telescope: 5 minute sweep (1 img per second) -> too long, 3.5 minutes should be perfect
Changed:
<
<
  • dslr camera: exposure times 1/1000 (IMG6143-6186), 1/1600 (IMG6187-6237), 1/2000 (6238-6275)
  • retook vignetting images with same exposure times
>
>		Varying Exposure times for both the sun and to explore vignetting effects using the DSLR, Image numbers shown in the following tables

Target ISO Exposure Time(s)

Image Number Range

Sun 100 0.001 6143-6186
Sun 100 0.0016 6187-6237
Sun 100 0.002

6238-6275

Target ISO Exposure time(s) Image Number Range
White 100

0.001

6294-6301
White 100 0.0016 6276-6283
White 100 0.002 6284-6294
White 100 0.004 6302-6304
 images are located at:

C:\Users\domeuser\Desktop\3_Data\2017112_sld

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