Abell 53 (Aql). 2020-06-15, elev. 700 m, SQM 21.5, transp. 7/10, seeing 1 arcsec, F/4, 8 mm, OIII filter. F, S, R, vgbM.

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Abell 55 (Aql). 2020-06-28, elev. 500 m, SQM 21.2, transp. 6/10, seeing 1-2 arcsec, F/5, 13 mm, OIII filter. cB, cL, iE, lbM.

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Abell 56 (Aql). 2020-06-28, elev. 500 m, SQM 21.2, transp. 6/10, seeing 1-2 arcsec, F/5, 13 mm, OIII filter. vF, L, annular, bnpsf.

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