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Professional Astronomer Services — Italy Naples

Official Invoice Document • Republic of Italy

INVOICE DETAILS

Invoice Number: INV-NAP-2025-04871

Invoice Date: 15 June 2025

Due Date: 15 July 2025

Payment Terms: Net 30 Days

Currency: EUR (€)

PROVIDER (ASTRONOMER)

Dr. Elena Marchetti

Independent Astronomer & Astrophysicist

Via Toledo 182, 80132

Naples (Napoli), Italy

Tel: +39 081 420 5567

Email: [email protected]

VAT (P.IVA): IT08765432109

BILLED TO

Università degli Studi di Napoli Federico II

Department of Physics and Astronomy

Via Cintia 21, 80126

Naples (Napoli), Italy

Attn: Prof. Giancarlo Ferrante

Department Head

This Invoice documents the professional services provided by the undersigned Astronomer, Dr. Elena Marchetti, operating from her registered practice in Italy Naples, in accordance with the service agreement dated 1 March 2025 (Contract Ref: AST-NAP-2025-0112). All services were performed in compliance with Italian professional regulations and the standards set forth by the Italian Astronomical Society (Società Astronomica Italiana).

Ref Service Description Date Performed Hours Rate (EUR) Amount (EUR)
01 Astronomer-led observational campaign at the Vesuvius Observatory, Italy Naples. Included deep-sky imaging of the Andromeda Galaxy and spectral analysis of variable stars in the constellation Lyra. The Astronomer provided full technical supervision and data calibration. 05 Apr 2025 12.0 €185.00 €2,220.00
02 Public astronomy outreach event organized by the Astronomer at the Castel dell'Ovo waterfront, Italy Naples. The Astronomer conducted a live telescope demonstration, public lecture on the night sky, and Q&A session for approximately 350 attendees. Included preparation of educational materials and bilingual (Italian/English) presentation slides. 12 Apr 2025 8.0 €210.00 €1,680.00
03 Consultation and technical review of the university's new 1.2-meter research telescope installation. The Astronomer assessed optical alignment, atmospheric correction protocols, and software integration for the observatory facility located in the Campania region, Italy Naples. 22 Apr 2025 6.5 €220.00 €1,430.00
04 Preparation of a peer-reviewed research paper on exoplanet transit photometry, co-authored with the university's astrophysics group. The Astronomer contributed data reduction, statistical modeling, and the primary manuscript draft. Published in the Journal of Italian Astronomical Sciences, Vol. 47, Issue 3. 30 Apr 2025 40.0 €150.00 €6,000.00
05 Training workshop for 25 graduate students in advanced astrophotography and CCD data processing. The Astronomer delivered a two-day intensive course at the Federico II campus, Italy Naples, covering signal-to-noise optimization, flat-fielding techniques, and multi-epoch variability analysis. 08 May 2025 16.0 €195.00 €3,120.00
06 Monthly monitoring and reporting of the Naples metropolitan sky quality index. The Astronomer conducted photometric measurements at three designated sites around Italy Naples and submitted a detailed report on light pollution trends to the municipal environmental office. 10 May 2025 4.0 €175.00 €700.00
07 Emergency astronomical observation support during the total lunar eclipse of 14 May 2025. The Astronomer provided real-time commentary, high-resolution imaging, and live data streaming to the university's public broadcast channel, reaching an estimated 12,000 viewers across Italy Naples and the Campania region. 14 May 2025 5.0 €250.00 €1,250.00
Subtotal €16,400.00
VAT (IVA) — 22% (Italian Standard Rate) €3,608.00
GRAND TOTAL DUE €20,008.00

Payment Instructions & Notes

Bank Transfer (Bonifico Bancario): Please remit the total Invoice amount of €20,008.00 to the following account. Include the Invoice number INV-NAP-2025-04871 in the transfer reference field.

Bank: Banca Nazionale del Lavoro (BNL) — Naples Branch

IBAN: IT60 X050 3403 4012 3456 7890 123

BIC/SWIFT: BNLBIT21NAP

Account Holder: Dr. Elena Marchetti — Astronomer, Italy Naples

Important: This Invoice is issued in accordance with Italian tax law (D.P.R. 633/1972) and the electronic invoicing requirements of the Sistema di Interscambio (SdI). A digital copy of this Invoice has been transmitted to the SdI portal on the date of issue. Late payments are subject to statutory interest as defined by Italian civil code Article 1284. The Astronomer reserves the right to suspend ongoing services should payment not be received by the stated due date.

Validity: This Invoice is valid for 90 days from the date of issue. After this period, a revised Invoice may be required to reflect any changes in applicable tax rates or regulatory requirements in Italy Naples.

Dr. Elena Marchetti — Certified Astronomer & Astrophysicist

Registered with the Order of Professional Scientists, Naples Section, Italy

Professional License No. AST-IT-2019-00442 | VAT: IT08765432109

This Invoice was generated and issued in Naples (Napoli), Italy. All services referenced herein were performed within the metropolitan area of Italy Naples unless otherwise noted.

© 2025 Dr. Elena Marchetti — Astronomer Services, Italy Naples. All rights reserved. Invoice INV-NAP-2025-04871.

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