UT May 29 2022 - Split Night DEC / PEPSI-PETS/PEPSI Eng



Night Info

  • Moon sets 18:04
  • Sunset 19:20
  • Nautical Twilight Ends 20:22
  • Astro Twilight Ends 20:59
  • Handover to PEPSI/PETS 21:35
  • Astro Twilight Starts 03:35
  • Nautical Twilight Starts 04:11
  • Moon rises 04:32
  • Sunrise 05:14

Staff Info

  • OSA: J. Williams
  • ISp: Mtn Staff
  • Mtn Manager: B.Waggoner
  • ISA: B.Rothberg, R.T.Gatto
  • AO on-call: G.Taylor
  • Special Guests: LBTI

Night Plan

  • Starting Config LBTI
  • LBTI Engineering Phasecam NOMIC and other checks
    • sunset - 21:35
  • PEPSI-PETS 21:35-03:47
  • PEPSI Engineering (Flux standard) 03:48-sunrise

Poor Weather Backup

  • Bino-LUCI
    • Local Mergers
      • NGC 3597 - 26deg limit at 21:13
      • UGC 9829 - visible twilight- handover

Night Log

Closed Dome:

  • UT 00:28 - starting LUCI GUIs, init, test darks
    • L1 0001-0002 - 2.51sec dark
    • L2 0001-0002 - 2.51 sec dark
  • UT 00:30 - putting blindmask away in both LUCIs
  • UT 02:12 - winds over limits
  • UT 03:23 - still windy, gusts up to 29m/s, thin clouds (possibly thickinging) coming fromthe west
  • UT 03:49 - winds have cleared out skies, but also getting high particle counts - LBTI abandomed all hope at 03:30
  • UT 04:35 - reconfiguring for PEPSI...
  • UT 10:29 - still closed but winds finally trending downwards...
  • UT 10:36 - opening! will take flux standard (transit is over) - HR 7950
  • UT 10:46 - sending pointing preset
  • UT 10:52 - collimation preset
  • UT 10:57 - sending preset to flux standard HR 7950
  • UT 11:00 - DIMM 2.7"
  • UT 11:09 - sending preset again - completed 1st of three observations of flux (seeing is unsteady)
  • UT 11:16 - finished 2nd of three observations of flux
  • UT 11:20 - third preset to flux standard
  • UT 11:49 - exposures done - we completed flux standard - closing up

-- BarryRothberg - 27 May 2022
Topic revision: r5 - 29 May 2022, BarryRothberg
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