Difference: LogBookAstronomyEntry0143 (1 vs. 2)

Revision 220 Mar 2017 - LaurieNevay

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META TOPICPARENT name="LogBookAstronomy"

Log Book Entry No.143

Days, Calendar Created: 20 Mar 2017 19:32:16 Days, Calendar Last Revised: 21 Mar 2017 10:44:16 Person LewisWilkins Text H-Alpha 2
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  • Agressiveness 8,4
  • touched up focus
  • 1st try at 600s with h alpha at 7:32
Changed:
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  • 10minute exposure quite clear but alnitak just about saturated
  • 20 minutes exposure clearer nebulosity but not excessive distortion on alnitak
  • settled on 10 minute exposures as we have some already
  • auto save for 15 (can cancel)
 

Revision 120 Mar 2017 - LaurieNevay

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Added:
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META TOPICPARENT name="LogBookAstronomy"

Log Book Entry No.143

Days, Calendar Created: 20 Mar 2017 19:32:16 Days, Calendar Last Revised: 21 Mar 2017 10:44:16 Person LewisWilkins Text H-Alpha 2

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H-Alpha Observation 2

  • JC, LN, LW, ZCW

  • Seeing quite good. Few intermittent clouds, but clearing up.
  • Coolers on around 3pm and biases and darks taken. 60 biases, 7 darks at 20mins
  • Aligned to Sirius at 7pm
* nova.astrometry.net/user_images/1545205#annotated

  • Bright star in field of view on main scope - Alnitak

  • Pixel coods 573,384
  • Agressiveness 8,4
  • touched up focus
  • 1st try at 600s with h alpha at 7:32

Back to: LogBookAstronomy

META FORM name="%25SYSTEMWEB%25.LogBookForm"
FORM FIELD Subject Subject H-Alpha 2
FORM FIELD Status Status blank
FORM FIELD Author Author LaurieNevay
 
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