* * * * * C/2021 P4 (ATLAS) * * * * *

Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2022 6 30.92 S 9.4 TK 20.3T 77 6 2/ GON Alto del Trichero - Soto y Amío, León (Altitude 12°. Astronomical twilight.) 2022 6 27.92 S 9.7 TK 20.3T 77 6 2 GON Alto del Trichero - Soto y Amío, León (Altitude 12°. Astronomical twilight.) 2022 6 2.981 S 11.5 AQ 25.4J 88 1.5 3/ BOU Sint Annen (Altitude 19.5°. Difficult object fairly low in twilight.) 2022 5 25.91 S 10.8 TK 20.3T 100 4 2 GON Cueto Rosales, León 2022 5 4.89 S 10.3 TK 20.3T 77 5 3 GON Camposagrado - Cuadros, León (Wide and faint outer coma.) 2022 4 28.88 S 10.5 TK 20.3T 100 4 3 GON Cueto Rosales, León (Wide and faint outer coma.) 2022 4 23.909 S 12.6 AQ 31.0J 109 0.5 2 DIJ Burlage 2022 4 23.906 S 12.6 AQ 31.0J 109 0.8 4 BOU Burlage, Germany 2022 4 19.879 S 12.6 AQ 31.0J 109 0.5 4 DIJ Burlage 2022 4 19.877 S 12.7 AQ 31.0J 109 0.9 5 BOU Burlage, Germany