PFS Next Field Selector

Observation Setup & Status

📂

Drop ECSV file here or click to browse

Supports .ecsv and .csv files

JST Date & Time (UTC+9)

HST Date & Time (UTC-10)

Quick Controls

Time Shift (seconds)

Current Target (for slew calculation)

No current target set (first observation of the night)

UTC --:--

LST --:--

Moon --%

Observed 0

Remaining 0

📈 Airmass Calculator

Visible (32°-75°) Too High Too Low Night

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Highest Score Target

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Dec

Score

Airmass

Hour Angle

Overhead

Score Formula & Breakdown

S = P × e^-T_slew/20 × e^{-(HA)²/2σ²}

P = ppc_priority | T_slew in seconds (0.5°/s) | σ = 7.5°-15° | El: 32°-75°

Priority (P) --

Slew factor e^-T/20 --

HA factor e^{-(HA)²/2σ²} --

σ (depends on Dec) --

Calculation --

Final Score --

Sky Map 0 fields

Observed

Not Observed

Current/Next

Moon

Marker size = Score | Gray = Below horizon

Field List (Sorted by Score)

Score	PPC Code	RA	Dec	Airmass	HA	Overhead	Status
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