TOPIC: SOLAR-1 Planned Outage/STIS In-Flight Calibration

Date/Time Issued: September 2, 2026 1550Z


Product(s) or Data Impacted: STIS Data


Date/Time of Initial Impact:  September 3, 2026 at 1100Z

Date/Time of Expected End: 
September 3, 2026 at 1125Z

Length of Event: 25 minutes

Details/Specifics: The STIS In-Flight Calibration will be performed tomorrow, September 3, from 1100z to 1125z. This is a recurring calibration performed monthly until the End Of Life (EOL) of the instrument. This may result in a invalid data during the calibration period.

Contact for Further Information:  nesdis.ospo.solar.engineers@noaa.gov, or goes-r.product.engineering.group@noaa.gov during normal business hours

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