After the fantastic exposure of Peter M. of the Supernova Remnant SNR G132.7+1.3 (HBH 3) in Cassiopeia I tried the brighter western shells. The brightest parts have a linear expansion of around a half degree so it fits in the fields of larger apertures at 100x-150x.

To my surprise the shells were clearly visible. Somewhat fainter than the shells of SNR G065.2+05.7 and similar to SNR G206.9+2.3.

Another SNR to visit and possible to see it visually.

sketch: 27", 113x, [OIII] 6nm, NELM 7m0+, Seeing IV
HBH3.jpg
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