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Newbie sketching and counting sunspots - question about orientation of sketch
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16
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154
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April 28, 2026
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VPhot Cert Expired
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3
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84
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April 28, 2026
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Automated Sequence for multiple targets NINA
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2
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82
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April 27, 2026
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Request for Seestar Morning Twilight Observation
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1
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89
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April 24, 2026
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Is it useful to submit reference star spectra?
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2
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81
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April 24, 2026
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Newbie question about submitting observations to AAVSO
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3
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89
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April 24, 2026
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Spot count in region 4419 2026-04-18
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9
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129
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April 22, 2026
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Inconsistent Transformation Coefficients
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3
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89
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April 22, 2026
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Link broken for limb darkening coefficients
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2
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32
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April 22, 2026
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Plugins disappeared
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2
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52
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April 22, 2026
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Value of low-resolution, non flux-calibrated spectra (SA100) for T CrB monitoring
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0
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84
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April 21, 2026
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Smart Telescope User Experience Lead - Volunteer Opportunity
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8
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250
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April 20, 2026
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NGC 3516 Seyfert galaxy
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2
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98
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April 19, 2026
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Transform Tri-color Camera Magnitudes to Sloan g’/r’ rather than Johnson Cousins B/V/Rc
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16
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464
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April 19, 2026
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Observing Campaign #880: Flare Star Campaign: High-Cadence Photometric and Spectroscopic Observations
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46
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1977
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April 18, 2026
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BSM_NM Image from night of 260415-6
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0
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32
|
April 17, 2026
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Sequence-Specific Photometric Transformation Using Ensemble-Based Linear Regression
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12
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357
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April 17, 2026
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Duplicate entries with name "AAVSO 2007+35D"
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1
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30
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April 17, 2026
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Boyce Astro course on spectroscopy
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2
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133
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April 16, 2026
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Gaia20ehk: A Candidate YSO with Planetesimal Collision
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0
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52
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April 16, 2026
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Just Starting this VSO endeavor
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4
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112
|
April 16, 2026
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Remote spectroscopy
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7
|
319
|
April 15, 2026
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Another New Person with a few questions!
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8
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313
|
April 15, 2026
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Request for observations: Q0957+561 (Twin Quasar) - A General Relativity “lab” for amateurs
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7
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274
|
April 15, 2026
|
|
Great online course covers a lot of science and astronomical computing
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1
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140
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April 15, 2026
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NGC 4151 with LISA spectrograph
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2
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112
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April 14, 2026
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Observing Campaigns #875: Monitoring T CrB
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159
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15121
|
April 14, 2026
|
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Spectroscopy SIG Meeting Recording Available
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0
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40
|
April 14, 2026
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Exposure time and Saturation
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3
|
156
|
April 12, 2026
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V0844 HER in Outburst?
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5
|
146
|
April 12, 2026
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