Contains:  Solar system body or event
SunHa-1430UT-010314, Roberto Botero

SunHa-1430UT-010314

SunHa-1430UT-010314, Roberto Botero

SunHa-1430UT-010314

Equipment

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Acquisition details

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Description

Collage of hydrogen alpha images taken with a Polarex 75mm f/16 (working at f/20) refractor and a double stacked Coronado SM60 front etalon. Active regions 1990, 1991 and 1995 visible - as well as a number of transient prominences and filaments.

Comments

Histogram

SunHa-1430UT-010314, Roberto Botero

In these public groups

Cloudy Nights